Climate averages 1991–2020
São João del Rei weather
in March.
A warm, wet month: the joint 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in São João del Rei: daytime highs average 25.8°C and nights cool to about 17.9°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 147 mm of rain on roughly 17 days, which makes March a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average March day.
The nearest other city in this atlas is Barbacena (52 km away). In March its highs average 24.0°C, 1.8°C cooler than São João del Rei, with 202 mm of rain.
Among the 448 cities listed in Brazil, São João del Rei ranks joint 394th of 448 for the warmest March highs and joint 196th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; São João del Rei is 2.1°C cooler than that mean.
From March to April, average highs fall by 1.1°C to 24.7°C, and monthly rainfall falls from 147 mm to 49 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
São João del Rei climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C18.4°C | 18.4°C | 228 | 20.5 | 13.313 h |
| February | 26.8°C18.4°C | 18.4°C | 136 | 15.8 | 12.813 h |
| March, selected | 25.8°C17.9°C | 17.9°C | 147 | 17.4 | 12.212 h |
| April | 24.7°C16.4°C | 16.4°C | 49 | 8.7 | 11.612 h |
| May | 22.7°C13.7°C | 13.7°C | 31 | 5.3 | 11.111 h |
| June | 22.1°C12.3°C | 12.3°C | 15 | 2.5 | 10.911 h |
| July | 22.3°C11.9°C | 11.9°C | 10 | 1.9 | 11.011 h |
| August | 23.9°C12.8°C | 12.8°C | 17 | 2.8 | 11.411 h |
| September | 25.4°C14.7°C | 14.7°C | 60 | 7.3 | 12.012 h |
| October | 25.9°C16.4°C | 16.4°C | 100 | 12.5 | 12.613 h |
| November | 25.0°C17.0°C | 17.0°C | 186 | 18.9 | 13.113 h |
| December | 25.8°C18.0°C | 18.0°C | 238 | 22.2 | 13.413 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
- Barbacena in MarchBrazil · 52 kmHigh 24.0°C · Low 16.5°C · 202 mm rain
- Conselheiro Lafaiete in MarchBrazil · 72 kmHigh 25.1°C · Low 17.1°C · 164 mm rain
- Lavras in MarchBrazil · 77 kmHigh 25.9°C · Low 17.8°C · 142 mm rain
- Ouro Preto in MarchBrazil · 114 kmHigh 23.9°C · Low 16.4°C · 227 mm rain
- Juiz de Fora in MarchBrazil · 117 kmHigh 26.7°C · Low 18.8°C · 242 mm rain
- Três Corações in MarchBrazil · 120 kmHigh 26.2°C · Low 17.8°C · 175 mm rain
- Água Rasa in MarchBrazil · 122 kmHigh 25.2°C · Low 17.3°C · 184 mm rain
- Itaúna in MarchBrazil · 122 kmHigh 26.7°C · Low 18.6°C · 160 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 São João del Rei) is explained once on the São João del Rei year overview and on the Sources, method and limits page.