Climate guide for Tamarindo, Costa Rica

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Tamarindo

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About Tamarindo

Tamarindo is a beach destination in Costa Rica. Its setting includes Pacific coast surf beach and leatherback turtle nesting bay. Use the monthly scores to weigh time by the water against heat, rainfall, humidity, daylight and sunny-day patterns.

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Best time to visit Tamarindo
Check seasonal weather trends and book accommodations in advance for Tamarindo.

Things to do in Tamarindo

Tamarindo, Costa Rica. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Tamarindo: the short answer

The best time to visit Tamarindo is January, followed by February, March. Those months combine the most usable temperatures with the fewest lost days to rain: January averages 28°C with 3 mm of rain and about 24 sunny days. The months to avoid unless you have a specific reason are November, September. If budget matters more than perfect weather, May is the strongest of the low-rate months at 5.9/10.

Across the year Tamarindo swings from 26°C in November to 30°C in April, a 4-degree spread, while rainfall ranges from 3 mm in January to 646 mm in November. That is the whole planning problem in one sentence: Tamarindo is not equally good year-round, and the difference between the best and worst month here is 5.3 points on a 10-point scale.

Warmest month: April (30°C). Coolest: November (26°C). Driest: January (3 mm). Wettest: November (646 mm).

Tamarindo month by month

January in Tamarindo — the year's strongest window

Best window · 9.9/10

January averages 28°C (82°F) with humidity around 70%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 3 mm for the month, with about 24 sunny days and 11.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Tamarindo at 9.9/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary.

February in Tamarindo — the year's strongest window

Best window · 9.9/10

February averages 28°C (83°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 4 mm for the month, with about 28 sunny days and 11.7 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Tamarindo at 9.9/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary.

March in Tamarindo — the year's strongest window

Best window · 9.7/10

March averages 29°C (85°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 39 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 11.9 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Tamarindo at 9.7/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary.

April in Tamarindo — the year's strongest window

Best window · 9.7/10

April averages 30°C (86°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 38 mm of rain — occasional showers rather than washed-out days — alongside about 28 sunny days and 12.2 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Tamarindo at 9.7/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

May in Tamarindo — workable with trade-offs

Trade-offs · 5.9/10

May averages 29°C (85°F) with humidity around 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

496 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.

It scores 5.9/10 here, 7th of 12 months, against 9.9/10 in the destination's best month.

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

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 4 points higher on the same scale.

June in Tamarindo — workable with trade-offs

Trade-offs · 5.3/10

June averages 27°C (81°F) with humidity around 86%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

384 mm of rain puts this in monsoon territory — about 18 sunny days across the whole month, and multi-day washouts are normal.

It scores 5.3/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.

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

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 4.6 points higher on the same scale.

July in Tamarindo — workable with trade-offs

Trade-offs · 5.8/10

July averages 28°C (82°F) with humidity around 84%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

210 mm of rain puts this in monsoon territory — about 20 sunny days across the whole month, and multi-day washouts are normal.

It scores 5.8/10 here, 8th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 4.1 points higher on the same scale.

August in Tamarindo — workable with trade-offs

Trade-offs · 6.8/10

August averages 28°C (82°F) with humidity around 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

At 128 mm this is a genuinely wet month: about 20 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.8/10 here, 6th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 3.1 points higher on the same scale.

September in Tamarindo — workable with trade-offs

Trade-offs · 5.3/10

September averages 28°C (82°F) with humidity around 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

247 mm of rain puts this in monsoon territory — about 18 sunny days across the whole month, and multi-day washouts are normal.

It scores 5.3/10 here, 11th of 12 months, against 9.9/10 in the destination's best month.

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

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 4.6 points higher on the same scale.

October in Tamarindo — workable with trade-offs

Trade-offs · 5.4/10

October averages 27°C (80°F) with humidity around 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

237 mm of rain puts this in monsoon territory — about 19 sunny days across the whole month, and multi-day washouts are normal.

It scores 5.4/10 here, 9th of 12 months, against 9.9/10 in the destination's best month.

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

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 4.5 points higher on the same scale.

November in Tamarindo — the hardest end of the year

Hardest · 4.6/10

November averages 26°C (79°F) with humidity around 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

646 mm of rain puts this in monsoon territory — about 13 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.6/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.

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

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, January is materially better in Tamarindo — 5.3 points higher on the same scale.

December in Tamarindo — the year's strongest window

Best window · 9.3/10

December averages 26°C (79°F) with humidity around 84%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 29 mm of rain — occasional showers rather than washed-out days — alongside about 19 sunny days and 11.4 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Tamarindo at 9.3/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Frequently asked

When is the best time to visit Tamarindo, Costa Rica?
In Ideal Weather mode, the best months to visit Tamarindo are January, February, March, April, December. January is the single peak month with an Ideal Weather score of 9.9/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Tamarindo year-round?
Tamarindo has a climate profile suited to beach and coastal travel. Average monthly temperatures range from 26°C in November to 30°C in April, with Ideal Weather scores between 4.6 and 9.9 out of 10.
Which months should I avoid in Tamarindo?
The lowest Ideal Weather-scoring months in Tamarindo are November (4.6/10), June (5.3/10), September (5.3/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Tamarindo?
November is the wettest month in Tamarindo, averaging about 646 mm of rainfall. January is the driest, at roughly 3 mm.
Which is the sunniest month in Tamarindo?
March sees the most sun in Tamarindo, with about 30 sunny days on average - ideal for outdoor plans.
Is Tamarindo a good destination for beach and coastal travel?
Tamarindo is well suited to beach and coastal travel. Its highest Ideal Weather window (January, February, March, April, December) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Tamarindo calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Tamarindo: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for beach and coastal travel.

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