San José: Weather Guide & Climate
Complete month-by-month weather guide: San José. Best time to visit: December, January, February, March, April. Plan your trip with detailed climate data.
☀️ Climate Overview
San José has a Warm climate with average yearly highs of 25°C, lows of 18°C, and approximately 22 rainy days per month.
The best time to visit San José is during December, January, February, March, April, when temperatures are comfortable and rainfall is moderate
Drier season: Jan–Dec Wetter season: Jun–Nov
Now
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Air Quality
Hottest
Coldest
Driest Month
Windiest Month
12 km/h
January (gusts 41)
Forecast for your trip dates
Up to 14 days aheadWeather by Season
Spring
Mar–May
Summer
Jun–Aug
Autumn
Sep–Nov
Winter
Dec–Feb
Month-by-Month Weather Table
January
BestFebruary
BestMarch
BestApril
BestMay
June
July
August
September
October
November
December
Best| Month | High | Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition | View Details |
|---|---|---|---|---|---|---|---|---|---|
| January (best) | 24°C | 17°C | 12d (58mm) | 10.3h | 82% Very Humid | 7.1 Very High | | Excellent | View Details → |
| February (best) | 24°C | 16°C | 10d (53mm) | 10.4h | 80% Very Humid | 7.8 Very High | | Excellent | View Details → |
| March (best) | 25°C | 17°C | 13d (52mm) | 10.7h | 78% Humid | 8.5 Very High | | Excellent | View Details → |
| April (best) | 25°C | 18°C | 20d (102mm) | 9.9h | 81% Very Humid | 7.8 Very High | | Excellent | View Details → |
| May | 26°C | 19°C | 26d (266mm) | 8.5h | 87% Very Humid | 6.7 High | | Wet | View Details → |
| June | 25°C | 19°C | 28d (396mm) | 7.3h | 90% Very Humid | 5.9 High | | Wet | View Details → |
| July | 25°C | 19°C | 26d (300mm) | 7.8h | 87% Very Humid | 6.3 High | | Wet | View Details → |
| August | 25°C | 18°C | 27d (343mm) | 8.1h | 88% Very Humid | 6.5 High | | Wet | View Details → |
| September | 25°C | 18°C | 29d (353mm) | 8.1h | 90% Very Humid | 6.5 High | | Wet | View Details → |
| October | 25°C | 18°C | 30d (495mm) | 7.3h | 91% Very Humid | 5.7 High | | Wet | View Details → |
| November | 24°C | 18°C | 27d (485mm) | 7h | 90% Very Humid | 5 Moderate | | Wet | View Details → |
| December (best) | 24°C | 17°C | 16d (147mm) | 9.4h | 84% Very Humid | 6.2 High | | Excellent | View Details → |
San José
Costa Rica gateway to rainforests, volcanoes, zip-lining, sloths, beaches, and pura vida lifestyle.
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Frequently Asked Questions
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More San José Guides
Best Time to Visit
Coming soon
Things to Do
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Cost & Budget
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Itineraries
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Complete travel guide for San José: top things to do, itineraries, and typical costs.