Climate averages 1991–2020
Balsas weather
in May.
A hot, moderately wet month: the 7th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Balsas: daytime highs average 30.9°C and nights cool to about 22.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 40 mm of rain on roughly 7 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 47 min on an average May day.
The nearest other city in this atlas is Grajaú (191 km away). In May its highs average 30.1°C, 0.9°C cooler than Balsas, with 64 mm of rain.
Among the 448 cities listed in Brazil, Balsas ranks joint 10th of 448 for the warmest May highs and joint 93rd of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Balsas is 5.6°C warmer than that mean.
From May to June, average highs rise by 1.0°C to 31.9°C, and monthly rainfall falls from 40 mm to 2.3 mm.
The annual picture
May 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
Balsas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C22.2°C | 22.2°C | 204 | 24.6 | 12.513 h |
| February | 29.6°C22.2°C | 22.2°C | 183 | 22.3 | 12.312 h |
| March | 29.6°C22.2°C | 22.2°C | 178 | 23.4 | 12.112 h |
| April | 29.9°C22.3°C | 22.3°C | 110 | 15.5 | 11.912 h |
| May, selected | 30.9°C22.4°C | 22.4°C | 40 | 6.7 | 11.812 h |
| June | 31.9°C22.2°C | 22.2°C | 2.3 | 0.5 | 11.712 h |
| July | 32.4°C22.0°C | 22.0°C | 1.3 | 0.2 | 11.712 h |
| August | 33.9°C22.7°C | 22.7°C | 0.9 | 0.2 | 11.912 h |
| September | 35.1°C24.1°C | 24.1°C | 8.6 | 1.7 | 12.112 h |
| October | 34.0°C24.0°C | 24.0°C | 55 | 7.7 | 12.312 h |
| November | 31.6°C23.1°C | 23.1°C | 121 | 15.3 | 12.512 h |
| December | 30.4°C22.6°C | 22.6°C | 157 | 19.4 | 12.613 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
May in nearby cities
- Grajaú in MayBrazil · 191 kmHigh 30.1°C · Low 22.3°C · 64 mm rain
- Barra do Corda in MayBrazil · 242 kmHigh 30.0°C · Low 22.7°C · 84 mm rain
- Araguaína in MayBrazil · 242 kmHigh 30.3°C · Low 22.2°C · 86 mm rain
- Imperatriz in MayBrazil · 275 kmHigh 30.2°C · Low 23.1°C · 74 mm rain
- Açailândia in MayBrazil · 330 kmHigh 29.1°C · Low 21.9°C · 102 mm rain
- Palmas in MayBrazil · 386 kmHigh 31.6°C · Low 22.7°C · 55 mm rain
- Bacabal in MayBrazil · 392 kmHigh 30.0°C · Low 23.5°C · 130 mm rain
- Codó in MayBrazil · 417 kmHigh 30.0°C · Low 23.1°C · 121 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 Balsas) is explained once on the Balsas year overview and on the Sources, method and limits page.