Climate guide for Siwa Oasis, Egypt

Best Time to Visit
Siwa Oasis

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About Siwa Oasis

Siwa Oasis is a nature and wildlife destination in Egypt. Its setting includes Isolated Western Desert salt lake oasis of mud-brick Shali fortress. Use the monthly scores to plan outdoor time around temperature, rainfall, humidity, daylight and sunny days.

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Travel Tips

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

Things to do in Siwa Oasis

Siwa Oasis, Egypt. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Siwa Oasis: the short answer

The best time to visit Siwa Oasis is March, followed by April, February. Those months combine the most usable temperatures with the fewest lost days to rain: March averages 15°C with 6 mm of rain and about 28 sunny days. The months to avoid unless you have a specific reason are July, June. If budget matters more than perfect weather, August is the strongest of the low-rate months at 6.8/10.

Across the year Siwa Oasis swings from 11°C in January to 31°C in August, a 20-degree spread, while rainfall ranges from 0 mm in June to 21 mm in January. That is the whole planning problem in one sentence: Siwa Oasis is not equally good year-round, and the difference between the best and worst month here is 3.1 points on a 10-point scale.

Warmest month: August (31°C). Coolest: January (11°C). Driest: June (0 mm). Wettest: January (21 mm).

Siwa Oasis month by month

January in Siwa Oasis — reliably good (6th best month)

Good · 8.2/10

January averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 21 mm of rain — occasional showers rather than washed-out days — alongside about 12 sunny days and 10.3 daylight hours.

It scores 8.2/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 1.6 points higher on the same scale.

February in Siwa Oasis — the year's strongest window

Best window · 9.2/10

February averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 6 mm for the month, with about 18 sunny days and 11 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Siwa Oasis at 9.2/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

March in Siwa Oasis — the year's strongest window

Best window · 9.8/10

March averages 15°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rain is a non-issue at 6 mm for the month, with about 28 sunny days and 11.8 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Siwa Oasis at 9.8/10 — 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 layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

April in Siwa Oasis — the year's strongest window

Best window · 9.8/10

April averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 0 mm for the month, with about 30 sunny days and 12.7 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Siwa Oasis at 9.8/10 — 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 light clothing, swimwear and real sun protection, footwear you can get muddy.

May in Siwa Oasis — reliably good (8th best month)

Good · 8/10

May averages 25°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 3 mm for the month, with about 31 sunny days and 13.5 hours of daylight to work with.

It scores 8/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.

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

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

If your dates are flexible, March is materially better in Siwa Oasis — 1.8 points higher on the same scale.

June in Siwa Oasis — workable with trade-offs

Trade-offs · 6.7/10

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

Rain is a non-issue at 0 mm for the month, with about 30 sunny days and 13.9 hours of daylight to work with.

It scores 6.7/10 here, 11th of 12 months, against 9.8/10 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, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 3.1 points higher on the same scale.

July in Siwa Oasis — workable with trade-offs

Trade-offs · 6.7/10

July averages 31°C (88°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 0 mm for the month, with about 31 sunny days and 13.7 hours of daylight to work with.

It scores 6.7/10 here, 12th of 12 months, against 9.8/10 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, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 3.1 points higher on the same scale.

August in Siwa Oasis — workable with trade-offs

Trade-offs · 6.8/10

August averages 31°C (89°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 0 mm for the month, with about 31 sunny days and 13.1 hours of daylight to work with.

It scores 6.8/10 here, 9th of 12 months, against 9.8/10 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, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 3 points higher on the same scale.

September in Siwa Oasis — workable with trade-offs

Trade-offs · 6.8/10

September averages 29°C (84°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 0 mm for the month, with about 30 sunny days and 12.2 hours of daylight to work with.

It scores 6.8/10 here, 10th of 12 months, against 9.8/10 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, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 3 points higher on the same scale.

October in Siwa Oasis — the year's strongest window

Best window · 9.1/10

October averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 1 mm for the month, with about 23 sunny days and 11.3 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Siwa Oasis at 9.1/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

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

November in Siwa Oasis — the year's strongest window

Best window · 8.5/10

November averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rain is a non-issue at 2 mm for the month, with about 13 sunny days and 10.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Siwa Oasis at 8.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

December in Siwa Oasis — reliably good (7th best month)

Good · 8.1/10

December averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rain is a non-issue at 7 mm for the month, with about 10 sunny days and 10.1 hours of daylight to work with.

It scores 8.1/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

If your dates are flexible, March is materially better in Siwa Oasis — 1.7 points higher on the same scale.

Frequently asked

When is the best time to visit Siwa Oasis, Egypt?
In Ideal Weather mode, the best months to visit Siwa Oasis are March, April, February, October. March is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Siwa Oasis year-round?
Siwa Oasis has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from 11°C in January to 31°C in August, with Ideal Weather scores between 6.7 and 9.8 out of 10.
Which months should I avoid in Siwa Oasis?
The lowest Ideal Weather-scoring months in Siwa Oasis are June (6.7/10), July (6.7/10), August (6.8/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Siwa Oasis?
January is the wettest month in Siwa Oasis, averaging about 21 mm of rainfall. June is the driest, at roughly 0 mm.
Which is the sunniest month in Siwa Oasis?
May sees the most sun in Siwa Oasis, with about 31 sunny days on average - ideal for outdoor plans.
Is Siwa Oasis a good destination for nature and wildlife travel?
Siwa Oasis is well suited to nature and wildlife travel. Its highest Ideal Weather window (March, April, February, October) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Siwa Oasis calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Siwa Oasis: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for nature and wildlife travel.

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