Climate guide for Fort-Dauphin, Madagascar

Best Time to Visit
Fort-Dauphin

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01 · Madagascar

About Fort-Dauphin

Fort-Dauphin, officially Tolanaro and still known by its French name, is a port town on Madagascar's far southeast coast. Libanona beach and the Baie des Galions sit at the edge of town, and the hilltop ruins of Fort Flacourt recall the seventeenth century. Evatraha and the Lokaro lagoon are reached by boat or rough road, and the Nahampoana Reserve shelters ring-tailed lemurs. April to October is the drier, cooler season; the cyclone months run roughly from January to March.

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Did you know?

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Travel Tips

01Best time & timing
The strongest months are October, September, July: October peaks at 8.9/10, while February drops to 5.5/10.
02Weather & what to pack
23°C and 41 mm of rain shape a typical October here. Pack trail shoes, a rain layer and more water than feels necessary.
03Crowds & value
Book early for October, the busiest stretch; November is the value window at 7.5/10.

Things to do in Fort-Dauphin

Fort-Dauphin, Madagascar. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Fort-Dauphin: the short answer

The best time to visit Fort-Dauphin is October, followed by September, July. Those months combine the most usable temperatures with the fewest lost days to rain: October averages 23°C with 41 mm of rain and about 30 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are February, March. If budget matters more than perfect weather, June is the strongest of the low-rate months at 6.2/10.

Across the year Fort-Dauphin swings from 20°C in July to 26°C in December, a 6-degree spread, while rainfall ranges from 41 mm in October to 365 mm in March. That is the whole planning problem in one sentence: Fort-Dauphin is not equally good year-round, and the difference between the best and worst month here is 3.4 points on a 10-point scale.

Warmest month: December (26°C). Coolest: July (20°C). Driest: October (41 mm). Wettest: March (365 mm).

Fort-Dauphin month by month

January in Fort-Dauphin: mixed conditions, plan around the weather

Trade-offs · 5.6/10

January averages 25°C (76°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

309 mm makes this the wettest stretch of the year, though about 31 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 5.6/10 here, 10th of 12 months, against 8.9/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? October scores 3.3 points higher here — enough to change the trip.

February in Fort-Dauphin: mixed conditions, plan around the weather

Trade-offs · 5.5/10

February averages 25°C (77°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

237 mm makes this the wettest stretch of the year, though about 28 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 5.5/10 here, 12th of 12 months, against 8.9/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? October scores 3.4 points higher here — enough to change the trip.

March in Fort-Dauphin: mixed conditions, plan around the weather

Trade-offs · 5.6/10

Trail conditions at 24°C (76°F) favour early starts and shaded routes in March; midday is for water breaks, not for exposed climbs.

This is the year's wettest stretch at 365 mm, but with about 26 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.

That is 5.6/10 on the same scale — 11th of 12 months, versus 8.9/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, October is materially better in Fort-Dauphin — 3.3 points higher on the same scale.

April in Fort-Dauphin: mixed conditions, plan around the weather

Trade-offs · 5.7/10

April averages 23°C (73°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

253 mm of rain puts this in monsoon territory — about 19 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 5.7/10 here, 9th of 12 months, against 8.9/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? October scores 3.2 points higher here — enough to change the trip.

May in Fort-Dauphin — reliably good (6th best month)

Good · 7/10

Trail conditions at 21°C (70°F) favour early starts and shaded routes in May; midday is for water breaks, not for exposed climbs.

102 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 7/10 on the same scale — 6th of 12 months, versus 8.9/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, October is materially better in Fort-Dauphin — 1.9 points higher on the same scale.

June in Fort-Dauphin — workable with trade-offs

Trade-offs · 6.2/10

June averages 20°C (68°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

At 120 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 6.2/10 here, 7th of 12 months, against 8.9/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? October scores 2.7 points higher here — enough to change the trip.

July in Fort-Dauphin: strong conditions, 3rd of 12

Good · 7.9/10

July averages 20°C (67°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 13 days with 6+ hours of sunshine and 10.6 daylight hours.

It scores 7.9/10 here, 3rd of 12 months, against 8.9/10 in the destination's best month.

Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection, footwear you can get muddy.

August holds up well in Fort-Dauphin — 4th best month

Good · 7.7/10

Trail conditions at 20°C (68°F) favour early starts and shaded routes in August; midday is for water breaks, not for exposed climbs.

Budget for roughly 81 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 11.1 hours of daylight to work around it.

That is 7.7/10 on the same scale — 4th of 12 months, versus 8.9/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.

September ranks 2nd of 12 for Fort-Dauphin — one of the best windows

Best window · 8.5/10

Trail conditions at 22°C (71°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.

Budget for roughly 73 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Fort-Dauphin at 8.5/10 (2nd of 12), just behind October at 8.9/10.

Budget for mid-season pricing, and crowds are moderate.

Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.

October: the best month of the year in Fort-Dauphin

Best window · 8.9/10

October averages 23°C (74°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

Expect 41 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 12.6 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Fort-Dauphin at 8.9/10 — the reference point every other month on this page is measured against.

Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection, footwear you can get muddy.

November in Fort-Dauphin: strong conditions, 5th of 12

Good · 7.5/10

November averages 25°C (77°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

Rainfall runs 73 mm, so plan one flexible day in three; you still get about 30 days with 6+ hours of sunshine and 13.2 hours of daylight.

It scores 7.5/10 here, 5th of 12 months, against 8.9/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.

December in Fort-Dauphin — middling scores, decent value

Trade-offs · 5.8/10

Trail conditions at 26°C (78°F) favour early starts and shaded routes in December; midday is for water breaks, not for exposed climbs.

162 mm of rain makes this a wet month here, though with about 31 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 5.8/10 on the same scale — 8th of 12 months, versus 8.9/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, October is materially better in Fort-Dauphin — 3.1 points higher on the same scale.

FAQ

Frequently asked

When is the best time to visit Fort-Dauphin, Madagascar?
In Ideal Weather mode, the best months to visit Fort-Dauphin are October, September. October is the single peak month with an Ideal Weather score of 8.9/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Fort-Dauphin year-round?
Fort-Dauphin has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from 20°C in July to 26°C in December, with Ideal Weather scores between 5.5 and 8.9 out of 10.
Which months should I avoid in Fort-Dauphin?
The lowest Ideal Weather-scoring months in Fort-Dauphin are February (5.5/10), January (5.6/10), March (5.6/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Fort-Dauphin?
March is the wettest month in Fort-Dauphin, averaging about 365 mm of rainfall. October is the driest, at roughly 41 mm.
Which is the sunniest month in Fort-Dauphin?
January sees the most sun in Fort-Dauphin, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Fort-Dauphin a good destination for nature and wildlife travel?
Fort-Dauphin is well suited to nature and wildlife travel. Its highest Ideal Weather window (October, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Fort-Dauphin calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Fort-Dauphin: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for nature and wildlife travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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