Climate averages 1991–2020
Três Rios weather
in March.
A hot, wet month: the joint 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Três Rios: daytime highs average 28.9°C and nights cool to about 21.0°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 148 mm of rain on roughly 18 days, which makes March a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average March day.
The nearest other city in this atlas is Teresópolis (41 km away). In March its highs average 25.2°C, 3.7°C cooler than Três Rios, with 259 mm of rain.
Among the 448 cities listed in Brazil, Três Rios ranks joint 147th of 448 for the warmest March highs and joint 206th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Três Rios is 1.0°C warmer than that mean.
From March to April, average highs fall by 1.5°C to 27.4°C, and monthly rainfall falls from 148 mm to 57 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
Três Rios climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C21.5°C | 21.5°C | 232 | 19.3 | 13.313 h |
| February | 30.2°C21.5°C | 21.5°C | 156 | 15.0 | 12.813 h |
| March, selected | 28.9°C21.0°C | 21.0°C | 148 | 17.6 | 12.212 h |
| April | 27.4°C19.5°C | 19.5°C | 57 | 9.6 | 11.612 h |
| May | 25.1°C16.7°C | 16.7°C | 35 | 6.3 | 11.111 h |
| June | 24.5°C15.4°C | 15.4°C | 17 | 3.4 | 10.811 h |
| July | 24.3°C14.9°C | 14.9°C | 18 | 3.7 | 10.911 h |
| August | 25.5°C15.3°C | 15.3°C | 21 | 4.3 | 11.411 h |
| September | 26.8°C17.0°C | 17.0°C | 59 | 8.6 | 12.012 h |
| October | 27.8°C18.8°C | 18.8°C | 107 | 13.5 | 12.613 h |
| November | 27.5°C19.7°C | 19.7°C | 198 | 18.8 | 13.213 h |
| December | 28.9°C20.9°C | 20.9°C | 235 | 21.3 | 13.513 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
- Teresópolis in MarchBrazil · 41 kmHigh 25.2°C · Low 18.4°C · 259 mm rain
- Juiz de Fora in MarchBrazil · 42 kmHigh 26.7°C · Low 18.8°C · 242 mm rain
- Petrópolis in MarchBrazil · 43 kmHigh 25.9°C · Low 19.0°C · 244 mm rain
- Valença (Rio de Janeiro), Brazil in MarchBrazil · 53 kmHigh 27.3°C · Low 19.4°C · 220 mm rain
- Magé in MarchBrazil · 62 kmHigh 29.0°C · Low 22.1°C · 205 mm rain
- Nova Friburgo in MarchBrazil · 72 kmHigh 26.1°C · Low 19.1°C · 252 mm rain
- Japeri in MarchBrazil · 74 kmHigh 30.1°C · Low 22.4°C · 200 mm rain
- Barra do Piraí in MarchBrazil · 75 kmHigh 28.4°C · Low 20.6°C · 195 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 Três Rios) is explained once on the Três Rios year overview and on the Sources, method and limits page.