San José in January
6.1out of 10
Possible, with caveats
Warm and comfortable: highs around 26°C. Very wet: about 26 rainy days.
26°CAvg high
22°CAvg low
26Rainy days (171 mm)
11:25 hDaylight
06:07Sunrise · 17:33 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Very wet: about 26 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in January is fairly consistent from year to year (2.5 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 26°C | 22°C | 171 mm | 26 | – | – | 6.1 |
| February | 27°C | 22°C | 115 mm | 22 | – | – | 6.1 |
| March | 28°C | 22°C | 80 mm | 20 | – | – | 6.5 |
| April | 29°C | 23°C | 62 mm | 18 | – | – | 6.7 |
| May | 28°C | 24°C | 223 mm | 27 | – | – | 6.1 |
| June | 27°C | 24°C | 280 mm | 29 | – | – | 6.1 |
| July | 27°C | 23°C | 309 mm | 31 | – | – | 6.1 |
| August | 27°C | 23°C | 259 mm | 30 | – | – | 6.1 |
| September | 27°C | 23°C | 260 mm | 29 | – | – | 6.1 |
| October | 27°C | 23°C | 299 mm | 30 | – | – | 6.1 |
| November | 26°C | 23°C | 261 mm | 26 | – | – | 6.1 |
| December | 26°C | 22°C | 216 mm | 27 | – | – | 6.1 |
Frequently asked questions
How hot is San José in January?
Daytime highs average 26°C and nights about 22°C.
When is the best time to visit San José?
The best months are April, March.