Climate averages 1991–2020
Teresina weather
in July.
A hot, very dry month: the 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Teresina: daytime highs average 33.5°C and nights cool to about 23.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 8.7 mm of rain on roughly 2 days, which makes July a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average July day.
The nearest other city in this atlas is Caxias (67 km away). In July its highs average 33.3°C, about as warm as Teresina, with 10 mm of rain.
Among the 448 cities listed in Brazil, Teresina ranks 1st of 448 for the warmest July highs and 94th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Teresina is 8.8°C warmer than that mean.
From July to August, average highs rise by 1.5°C to 35.0°C, and monthly rainfall falls from 8.7 mm to 2.1 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Caxias in JulyBrazil · 67 kmHigh 33.3°C · Low 23.1°C · 10 mm rain
- Codó in JulyBrazil · 139 kmHigh 32.5°C · Low 23.1°C · 10 mm rain
- Chapadinha in JulyBrazil · 162 kmHigh 31.8°C · Low 23.0°C · 23 mm rain
- Crateús in JulyBrazil · 236 kmHigh 31.5°C · Low 21.4°C · 8.4 mm rain
- Bacabal in JulyBrazil · 239 kmHigh 32.2°C · Low 23.4°C · 15 mm rain
- Tianguá in JulyBrazil · 251 kmHigh 28.1°C · Low 19.1°C · 9.2 mm rain
- Picos in JulyBrazil · 266 kmHigh 32.6°C · Low 22.4°C · 2.2 mm rain
- Parnaíba in JulyBrazil · 268 kmHigh 32.2°C · Low 24.8°C · 16 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.