Best Time to Visit
🇨🇷 San Jose, Costa Rica · North America
Based on 30-year climate data (1991-2020) from Open-Meteo
Jan
24°
17°
Great
Feb
25°
17°
Great
Mar
26°
17°
Great
Apr
26°
18°
Great
May
25°
18°
Great
Jun
24°
18°
Great
Jul
24°
18°
Great
Aug
24°
18°
Great
Sep
24°
18°
Great
Oct
24°
18°
Good
Nov
23°
18°
Great
Dec
24°
17°
Great
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| JanuaryRecommended | 24°C | 17°C | 13 | 11h | 82% | 3 | Great | View |
| FebruaryRecommended | 25°C | 17°C | 11 | 11h | 82% | 3 | Great | View |
| MarchRecommended | 26°C | 17°C | 13 | 11h | 82% | 6 | Great | View |
| AprilRecommended | 26°C | 18°C | 17 | 10h | 82% | 6 | Great | View |
| MayRecommended | 25°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| JuneRecommended | 24°C | 18°C | 29 | 8h | 82% | 8 | Great | View |
| JulyRecommended | 24°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| AugustRecommended | 24°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| SeptemberRecommended | 24°C | 18°C | 29 | 8h | 82% | 6 | Great | View |
| October | 24°C | 18°C | 30 | 7h | 82% | 6 | Good | View |
| NovemberRecommended | 23°C | 18°C | 26 | 8h | 82% | 3 | Great | View |
| DecemberRecommended | 24°C | 17°C | 18 | 9h | 82% | 3 | Great | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Avg: 26°C high, 18°C low
Comfortable warmth at 26°C (79°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 18°C (64°F).
Avg: 24°C high, 18°C low
Comfortable warmth at 24°C (75°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 18°C (64°F).
Avg: 24°C high, 18°C low
Comfortable warmth at 24°C (75°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 18°C (64°F).
Avg: 24°C high, 17°C low
Comfortable warmth at 24°C (75°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 17°C (63°F).
The least favorable time to visit San Jose is October and January. During this period, you can expect heavy rainfall, high humidity.
October
Challenges: heavy rainfall, high humidity
January
Challenges: frequent rain, high humidity
March
Challenges: frequent rain, high humidity
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience.
Packing recommendations for visiting San Jose during the best travel months (February, January, March), when temperatures range from 17°C to 25°C:
San Jose has a tropical climate (Koppen classification: Am). The warmest month is April with highs of 26°C, while the coldest month is November at just 23°C. Annual rainfall averages 3022mm across approximately 270 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 24 |
| Low °C | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 |
| Rain Days | 13 | 11 | 13 | 17 | 28 | 29 | 28 | 28 | 29 | 30 | 26 | 18 |
| Rain mm | 95 | 66 | 61 | 99 | 355 | 383 | 297 | 352 | 400 | 432 | 319 | 163 |
| Sun h/day | 11 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 9 |
| Humidity % | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| UV Index | 3 | 3 | 6 | 6 | 8 | 8 | 8 | 8 | 6 | 6 | 3 | 3 |
Considering alternatives to San Jose? Compare the best travel months for nearby cities:
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
Explore weather guides for other popular destinations: