Weather: San José — December
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
December is an excellent time to visit San José. Warm weather with highs of 24°C—great for outdoor activities. This is one of the wettest months—waterproof gear is essential. As peak season, expect higher prices and more tourists.
Based on weather comfort, crowds, prices, and activity options
24°C
17°C
16days
11.5h
Feels like 26°C / 18°C — humidity makes it feel warmer
147mm
9.4h/day
84%
Very Humid6.2
High11 km/h (gusts 39)
Is December a good time to visit San José?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
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Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Peak Rates
Daylight
05:45
17:18
Visiting San José in December: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Abundant sunshine for beach and outdoor fun
- One of the best months to visit
Cons
- Frequent rain may disrupt outdoor activities
- Peak season — expect crowds and higher prices
Things to Do in December
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 | 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 Current | 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 December
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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👟Footwear
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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
Coming soon
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.