Climate averages 1991–2020
Teresina weather
in April.
A hot, very wet month: one of the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Teresina: daytime highs average 29.9°C and nights cool to about 23.0°C. By daytime temperature it is one of the coolest months of the year.
Expect about 264 mm of rain on roughly 23 days, which makes April a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average April day.
The nearest other city in this atlas is Caxias (67 km away). In April its highs average 29.6°C, about as warm as Teresina, with 282 mm of rain.
Among the 448 cities listed in Brazil, Teresina ranks joint 30th of 448 for the warmest April highs and 413th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Teresina is 2.9°C warmer than that mean.
From April to May, average highs rise by 1.0°C to 30.9°C, and monthly rainfall falls from 264 mm to 124 mm.
The annual picture
April 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 | 29.9°C22.9°C | 22.9°C | 328 | 26.9 | 12.112 h |
| April, selected | 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
April in nearby cities
- Caxias in AprilBrazil · 67 kmHigh 29.6°C · Low 22.9°C · 282 mm rain
- Codó in AprilBrazil · 139 kmHigh 29.4°C · Low 22.9°C · 263 mm rain
- Chapadinha in AprilBrazil · 162 kmHigh 29.5°C · Low 22.9°C · 312 mm rain
- Crateús in AprilBrazil · 236 kmHigh 30.1°C · Low 22.0°C · 94 mm rain
- Bacabal in AprilBrazil · 239 kmHigh 29.6°C · Low 23.3°C · 265 mm rain
- Tianguá in AprilBrazil · 251 kmHigh 26.4°C · Low 19.8°C · 239 mm rain
- Picos in AprilBrazil · 266 kmHigh 31.4°C · Low 23.4°C · 88 mm rain
- Parnaíba in AprilBrazil · 268 kmHigh 29.2°C · Low 24.7°C · 268 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.