Climate averages 1991–2020
Itanhaém weather
in March.
A warm, very wet month: the 3rd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Itanhaém: daytime highs average 27.6°C and nights cool to about 22.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 212 mm of rain on roughly 22 days, which makes March a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average March day.
The nearest other city in this atlas is Praia Grande (44 km away). In March its highs average 28.0°C, about as warm as Itanhaém, with 274 mm of rain.
Among the 448 cities listed in Brazil, Itanhaém ranks joint 248th of 448 for the warmest March highs and joint 356th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Itanhaém is 0.4°C cooler than that mean.
From March to April, average highs fall by 1.2°C to 26.4°C, and monthly rainfall falls from 212 mm to 137 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
Itanhaém climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.3°C22.7°C | 22.7°C | 227 | 22.9 | 13.413 h |
| February | 28.6°C22.8°C | 22.8°C | 213 | 19.8 | 12.913 h |
| March, selected | 27.6°C22.1°C | 22.1°C | 212 | 21.5 | 12.212 h |
| April | 26.4°C20.4°C | 20.4°C | 137 | 14.5 | 11.512 h |
| May | 24.1°C17.8°C | 17.8°C | 125 | 13.6 | 11.011 h |
| June | 23.4°C16.4°C | 16.4°C | 101 | 10.1 | 10.711 h |
| July | 22.8°C15.6°C | 15.6°C | 107 | 10.3 | 10.811 h |
| August | 23.1°C15.8°C | 15.8°C | 88 | 10.2 | 11.311 h |
| September | 23.8°C17.2°C | 17.2°C | 141 | 14.2 | 11.912 h |
| October | 24.9°C18.8°C | 18.8°C | 155 | 17.0 | 12.613 h |
| November | 25.7°C19.8°C | 19.8°C | 163 | 16.9 | 13.313 h |
| December | 27.4°C21.5°C | 21.5°C | 174 | 19.2 | 13.614 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
- Praia Grande in MarchBrazil · 44 kmHigh 28.0°C · Low 22.6°C · 274 mm rain
- São Vicente in MarchBrazil · 47 kmHigh 28.1°C · Low 22.7°C · 274 mm rain
- Itapecerica da Serra in MarchBrazil · 52 kmHigh 24.5°C · Low 17.4°C · 219 mm rain
- Santos in MarchBrazil · 52 kmHigh 27.7°C · Low 22.8°C · 206 mm rain
- São Bernardo do Campo in MarchBrazil · 59 kmHigh 25.2°C · Low 18.4°C · 270 mm rain
- Embu das Artes in MarchBrazil · 60 kmHigh 25.6°C · Low 18.3°C · 219 mm rain
- Taboão da Serra in MarchBrazil · 62 kmHigh 25.4°C · Low 18.1°C · 219 mm rain
- Santo André in MarchBrazil · 63 kmHigh 25.3°C · Low 18.6°C · 270 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 Itanhaém) is explained once on the Itanhaém year overview and on the Sources, method and limits page.