Weather: San José — August
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
August is a wet time to visit San José. Warm weather with highs of 25°C—great for outdoor activities. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds.
Based on weather comfort, crowds, prices, and activity options
25°C
18°C
27days
12.5h
Feels like 29°C / 20°C — humidity makes it feel warmer
343mm
8.1h/day
88%
Very Humid6.5
High7 km/h (gusts 32)
Is August a good time to visit San José?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
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Air Quality
Travel Context
- CrowdsVery Quiet
- Travel Costs Shoulder Rates
Daylight
05:28
17:56
Visiting San José in August: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Fewer crowds and better hotel deals
Cons
- Frequent rain may disrupt outdoor activities
Things to Do in August
Events & Festivals
Recommended for This Weather
San José Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 24°C | 17°C | 12d (58mm) | 10.3h | 82% Very Humid | 7.1 Very High | | Excellent |
| Feb | 24°C | 16°C | 10d (53mm) | 10.4h | 80% Very Humid | 7.8 Very High | | Excellent |
| Mar | 25°C | 17°C | 13d (52mm) | 10.7h | 78% Humid | 8.5 Very High | | Excellent |
| Apr | 25°C | 18°C | 20d (102mm) | 9.9h | 81% Very Humid | 7.8 Very High | | Excellent |
| May | 26°C | 19°C | 26d (266mm) | 8.5h | 87% Very Humid | 6.7 High | | Wet |
| Jun | 25°C | 19°C | 28d (396mm) | 7.3h | 90% Very Humid | 5.9 High | | Wet |
| Jul | 25°C | 19°C | 26d (300mm) | 7.8h | 87% Very Humid | 6.3 High | | Wet |
| Aug Current | 25°C | 18°C | 27d (343mm) | 8.1h | 88% Very Humid | 6.5 High | | Wet |
| Sep | 25°C | 18°C | 29d (353mm) | 8.1h | 90% Very Humid | 6.5 High | | Wet |
| Oct | 25°C | 18°C | 30d (495mm) | 7.3h | 91% Very Humid | 5.7 High | | Wet |
| Nov | 24°C | 18°C | 27d (485mm) | 7h | 90% Very Humid | 5 Moderate | | Wet |
| Dec | 24°C | 17°C | 16d (147mm) | 9.4h | 84% Very Humid | 6.2 High | | Excellent |
San José
Costa Rica gateway to rainforests, volcanoes, zip-lining, sloths, beaches, and pura vida lifestyle.
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What to Pack for August
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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📋Essentials
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🧴Toiletries & Health
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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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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for San José: top things to do, itineraries, and typical costs.