Climate averages 1991–2020
Castro weather
in March.
A warm, wet month: the 4th warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Castro: daytime highs average 24.4°C and nights cool to about 16.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 133 mm of rain on roughly 18 days, which makes March a wet month (the joint 7th 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 Ponta Grossa (37 km away). In March its highs average 24.4°C, about as warm as Castro, with 112 mm of rain.
Among the 448 cities listed in Brazil, Castro ranks joint 427th of 448 for the warmest March highs and joint 136th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Castro is 3.5°C cooler than that mean.
From March to April, average highs fall by 1.5°C to 23.0°C, and monthly rainfall falls from 133 mm to 69 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
Castro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.3°C17.8°C | 17.8°C | 235 | 23.7 | 13.513 h |
| February | 25.2°C17.8°C | 17.8°C | 180 | 21.1 | 12.913 h |
| March, selected | 24.4°C16.9°C | 16.9°C | 133 | 18.0 | 12.212 h |
| April | 23.0°C14.9°C | 14.9°C | 69 | 9.6 | 11.512 h |
| May | 19.8°C11.9°C | 11.9°C | 89 | 8.9 | 10.911 h |
| June | 18.9°C10.8°C | 10.8°C | 93 | 8.1 | 10.611 h |
| July | 18.8°C10.1°C | 10.1°C | 79 | 7.0 | 10.811 h |
| August | 20.7°C10.8°C | 10.8°C | 72 | 7.2 | 11.311 h |
| September | 22.1°C12.5°C | 12.5°C | 127 | 10.4 | 11.912 h |
| October | 23.4°C14.4°C | 14.4°C | 138 | 15.1 | 12.713 h |
| November | 23.9°C15.2°C | 15.2°C | 133 | 16.0 | 13.313 h |
| December | 25.1°C16.9°C | 16.9°C | 172 | 20.2 | 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
- Ponta Grossa in MarchBrazil · 37 kmHigh 24.4°C · Low 16.5°C · 112 mm rain
- Telêmaco Borba in MarchBrazil · 80 kmHigh 26.2°C · Low 17.7°C · 120 mm rain
- Campo Largo in MarchBrazil · 89 kmHigh 23.7°C · Low 16.6°C · 126 mm rain
- Almirante Tamandaré in MarchBrazil · 92 kmHigh 24.0°C · Low 17.0°C · 126 mm rain
- Colombo, Brazil in MarchBrazil · 97 kmHigh 23.4°C · Low 16.6°C · 126 mm rain
- Curitiba in MarchBrazil · 103 kmHigh 23.8°C · Low 17.0°C · 126 mm rain
- Araucária in MarchBrazil · 108 kmHigh 24.0°C · Low 17.0°C · 126 mm rain
- Pinhais in MarchBrazil · 110 kmHigh 23.8°C · Low 17.2°C · 126 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 Castro) is explained once on the Castro year overview and on the Sources, method and limits page.