San Martín in January
6.2out of 10
Possible, with caveats
Warm and comfortable: highs around 29°C. Very wet: about 20 rainy days.
29°CAvg high
21°CAvg low
20Rainy days (110 mm)
11:35 hDaylight
06:16Sunrise · 17:51 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Very wet: about 20 rainy days
- Rain varies a lot between years (±6.1 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in January varies a lot between years (±6.1 rainy days), so check the forecast closer to your trip. 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 | 29°C | 21°C | 110 mm | 20 | – | – | 6.2 |
| February | 29°C | 21°C | 143 mm | 19 | – | – | 6.2 |
| March | 29°C | 21°C | 273 mm | 27 | – | – | 6.1 |
| April | 28°C | 22°C | 475 mm | 30 | – | – | 6.1 |
| May | 28°C | 22°C | 643 mm | 31 | – | – | 6.1 |
| June | 28°C | 21°C | 619 mm | 30 | – | – | 6.1 |
| July | 28°C | 21°C | 591 mm | 31 | – | – | 6.1 |
| August | 28°C | 21°C | 588 mm | 31 | – | – | 6.1 |
| September | 28°C | 21°C | 507 mm | 30 | – | – | 6.1 |
| October | 28°C | 21°C | 452 mm | 30 | – | – | 6.1 |
| November | 28°C | 21°C | 379 mm | 29 | – | – | 6.1 |
| December | 28°C | 21°C | 207 mm | 27 | – | – | 6.1 |
Frequently asked questions
How hot is San Martín in January?
Daytime highs average 29°C and nights about 21°C.
When is the best time to visit San Martín?
The best months are January, February, March, April.