North & Central America · City travel
Best time to visit San Jose (Costa Rica)
Late Jan–Early Feb is the best time to visit. During this period, the average daytime high is 29.4°C, with 1.8 rainy days per 10 days.
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Season calendar
AvoidOff-seasonFairOkayGoodGreatBest
Japan MOFA travel advice
No Japan MOFA travel advisory is in effect for this destination.
Climate and season score by month
| Month | Level | Daytime high | Rainy days (per 10 days) | Cloud cover |
|---|---|---|---|---|
| January | Great | 29.0°C | 2.6 | 44.5% |
| February | Great | 29.8°C | 2.1 | 37.7% |
| March | Good | 30.6°C | 2.3 | 41.8% |
| April | Fair | 30.9°C | 3.3 | 67.8% |
| May | Off-season | 29.6°C | 4.8 | 82.6% |
| June | Avoid | 28.7°C | 5.8 | 86.4% |
| July | Off-season | 29.0°C | 4.7 | 85.4% |
| August | Off-season | 29.1°C | 5.0 | 85.2% |
| September | Avoid | 28.6°C | 6.3 | 84.7% |
| October | Off-season | 27.8°C | 6.4 | 85.4% |
| November | Fair | 28.0°C | 4.6 | 78.5% |
| December | Great | 28.5°C | 1.6 | 57.6% |
Questions and answers
- When is the best time to visit San Jose (Costa Rica)?
- Late Jan–Early Feb. During this period, the average daytime high is 29.4°C, with 1.8 rainy days per 10 days.
- When should I avoid visiting San Jose (Costa Rica)?
- Late May–Early Jun, Early Sep–Late Sep, Mid Oct is the least favorable time of year. Then, the average daytime high is 28.5°C, with 6.3 rainy days per 10 days.
- What is the rainiest time of year in San Jose (Costa Rica)?
- June, September, October, with about 6.4 rainy days per 10 days at the peak.
How the score works
The season score is a relative 0–100 measure of how suitable each time of year is for travel at this destination, grouped into seven levels. It combines climate-normal trends in temperature, rain, cloud cover, and other conditions.
Weather station: JUAN SANTAMARIA INTL（15 km）. Data: Copernicus ERA5, NASA POWER, NOAA GHCN-Daily, OISST, IBTrACS, and Natural Earth.
These are historical climate-normal trends, not a weather forecast.