Climate averages 1991–2020
Pelotas weather
in May.
A mild, wet month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Pelotas: daytime highs average 19.3°C and nights cool to about 13.8°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 105 mm of rain on roughly 9 days, which makes May a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 31 min on an average May day.
The nearest other city in this atlas is Rio Grande (37 km away). In May its highs average 18.6°C, 0.7°C cooler than Pelotas, with 104 mm of rain.
Among the 448 cities listed in Brazil, Pelotas ranks joint 427th of 448 for the warmest May highs and joint 312th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Pelotas is 6.0°C cooler than that mean.
From May to June, average highs fall by 2.3°C to 17.0°C, and monthly rainfall rises from 105 mm to 111 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
Pelotas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C20.8°C | 20.8°C | 109 | 11.6 | 14.014 h |
| February | 26.2°C21.0°C | 21.0°C | 106 | 12.6 | 13.213 h |
| March | 25.1°C19.8°C | 19.8°C | 102 | 11.7 | 12.312 h |
| April | 22.6°C17.0°C | 17.0°C | 116 | 10.1 | 11.311 h |
| May, selected | 19.3°C13.8°C | 13.8°C | 105 | 9.3 | 10.511 h |
| June | 17.0°C11.2°C | 11.2°C | 111 | 9.8 | 10.110 h |
| July | 16.2°C10.1°C | 10.1°C | 117 | 10.2 | 10.310 h |
| August | 17.6°C11.1°C | 11.1°C | 116 | 9.9 | 11.011 h |
| September | 18.4°C12.5°C | 12.5°C | 141 | 10.6 | 11.912 h |
| October | 20.6°C15.0°C | 15.0°C | 140 | 10.6 | 12.813 h |
| November | 22.8°C16.8°C | 16.8°C | 95 | 8.6 | 13.714 h |
| December | 25.2°C19.1°C | 19.1°C | 100 | 9.8 | 14.214 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
- Rio Grande in MayBrazil · 37 kmHigh 18.6°C · Low 15.8°C · 104 mm rain
- Bagé in MayBrazil · 174 kmHigh 19.2°C · Low 11.3°C · 100 mm rain
- Cachoeira do Sul in MayBrazil · 200 kmHigh 20.6°C · Low 12.3°C · 120 mm rain
- Guaíba in MayBrazil · 208 kmHigh 21.1°C · Low 13.3°C · 107 mm rain
- Porto Alegre in MayBrazil · 220 kmHigh 21.1°C · Low 13.2°C · 107 mm rain
- Viamão in MayBrazil · 226 kmHigh 20.6°C · Low 13.4°C · 106 mm rain
- Santa Cruz do Sul in MayBrazil · 228 kmHigh 20.6°C · Low 12.1°C · 123 mm rain
- Alvorada in MayBrazil · 231 kmHigh 21.1°C · Low 13.3°C · 106 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 Pelotas) is explained once on the Pelotas year overview and on the Sources, method and limits page.