Climate averages 1991–2020
San José weather
in March.
A warm, moderately wet month: the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in San José: daytime highs average 26.6°C and nights cool to about 17.4°C. By daytime temperature it is the warmest month of the year.
Expect about 65 mm of rain on roughly 14 days, which makes March a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average March day.
The nearest other city in this atlas is David (247 km away). In March its highs average 33.2°C, 6.6°C warmer than San José, with 49 mm of rain.
From March to April, average highs fall by 0.1°C to 26.5°C, and monthly rainfall rises from 65 mm to 102 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San José climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.6°C16.8°C | 16.8°C | 104 | 13.3 | 11.612 h |
| February | 25.7°C16.9°C | 16.9°C | 69 | 11.9 | 11.812 h |
| March, selected | 26.6°C17.4°C | 17.4°C | 65 | 13.9 | 12.112 h |
| April | 26.5°C18.1°C | 18.1°C | 102 | 18.0 | 12.312 h |
| May | 25.0°C18.6°C | 18.6°C | 357 | 27.8 | 12.613 h |
| June | 24.4°C18.6°C | 18.6°C | 385 | 28.8 | 12.713 h |
| July | 24.2°C18.3°C | 18.3°C | 293 | 28.2 | 12.613 h |
| August | 24.3°C18.2°C | 18.2°C | 345 | 28.5 | 12.412 h |
| September | 24.2°C18.1°C | 18.1°C | 391 | 29.1 | 12.212 h |
| October | 23.7°C18.1°C | 18.1°C | 430 | 30.1 | 11.912 h |
| November | 23.4°C17.9°C | 17.9°C | 312 | 25.5 | 11.712 h |
| December | 23.8°C17.3°C | 17.3°C | 169 | 17.8 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- David in MarchPanama · 247 kmHigh 33.2°C · Low 23.1°C · 49 mm rain
- Granada, Nicaragua in MarchNicaragua · 302 kmHigh 31.2°C · Low 23.7°C · 3.4 mm rain
- Masaya in MarchNicaragua · 316 kmHigh 31.7°C · Low 22.6°C · 3.4 mm rain
- Managua in MarchNicaragua · 340 kmHigh 34.9°C · Low 23.7°C · 1.3 mm rain
- Matagalpa in MarchNicaragua · 388 kmHigh 29.4°C · Low 19.1°C · 8.1 mm rain
- León, Nicaragua in MarchNicaragua · 413 kmHigh 34.1°C · Low 24.8°C · 5.7 mm rain
- Estelí in MarchNicaragua · 430 kmHigh 30.5°C · Low 19.0°C · 6.2 mm rain
- Chinandega in MarchNicaragua · 447 kmHigh 33.8°C · Low 25.2°C · 5.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San José) is explained once on the San José year overview and on the Sources, method and limits page.