Climate averages 1991–2020
Teresina weather
in March.
A hot, very wet month: one of the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Teresina: daytime highs average 29.9°C and nights cool to about 22.9°C. By daytime temperature it is one of the coolest months of the year.
Expect about 328 mm of rain on roughly 27 days, which makes March a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average March day.
The nearest other city in this atlas is Caxias (67 km away). In March its highs average 29.6°C, about as warm as Teresina, with 345 mm of rain.
Among the 448 cities listed in Brazil, Teresina ranks joint 51st of 448 for the warmest March highs and joint 416th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Teresina is 2.0°C warmer than that mean.
From March to April, average highs stay level at 29.9°C, and monthly rainfall falls from 328 mm to 264 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
Teresina climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.0°C23.2°C | 23.2°C | 235 | 22.5 | 12.412 h |
| February | 30.2°C22.9°C | 22.9°C | 283 | 22.8 | 12.312 h |
| March, selected | 29.9°C22.9°C | 22.9°C | 328 | 26.9 | 12.112 h |
| April | 29.9°C23.0°C | 23.0°C | 264 | 23.3 | 12.012 h |
| May | 30.9°C23.1°C | 23.1°C | 124 | 12.7 | 11.912 h |
| June | 32.6°C23.2°C | 23.2°C | 16 | 2.9 | 11.812 h |
| July | 33.5°C23.2°C | 23.2°C | 8.7 | 1.5 | 11.912 h |
| August | 35.0°C23.5°C | 23.5°C | 2.1 | 0.5 | 11.912 h |
| September | 36.5°C24.1°C | 24.1°C | 3.3 | 0.9 | 12.112 h |
| October | 36.9°C24.5°C | 24.5°C | 15 | 2.0 | 12.212 h |
| November | 35.6°C24.6°C | 24.6°C | 41 | 5.8 | 12.312 h |
| December | 33.8°C24.2°C | 24.2°C | 93 | 11.4 | 12.412 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
- Caxias in MarchBrazil · 67 kmHigh 29.6°C · Low 22.8°C · 345 mm rain
- Codó in MarchBrazil · 139 kmHigh 29.4°C · Low 22.9°C · 315 mm rain
- Chapadinha in MarchBrazil · 162 kmHigh 29.7°C · Low 22.9°C · 300 mm rain
- Crateús in MarchBrazil · 236 kmHigh 30.8°C · Low 22.3°C · 134 mm rain
- Bacabal in MarchBrazil · 239 kmHigh 29.6°C · Low 23.2°C · 316 mm rain
- Tianguá in MarchBrazil · 251 kmHigh 26.7°C · Low 19.9°C · 239 mm rain
- Picos in MarchBrazil · 266 kmHigh 30.9°C · Low 23.3°C · 149 mm rain
- Parnaíba in MarchBrazil · 268 kmHigh 29.1°C · Low 24.6°C · 265 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 Teresina) is explained once on the Teresina year overview and on the Sources, method and limits page.