Climate averages 1991–2020
Passos weather
in December.
A warm, very wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Passos: daytime highs average 27.5°C and nights cool to about 19.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 236 mm of rain on roughly 24 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 22 min on an average December day.
The nearest other city in this atlas is São Sebastião do Paraíso (45 km away). In December its highs average 26.2°C, 1.3°C cooler than Passos, with 295 mm of rain.
Among the 448 cities listed in Brazil, Passos ranks joint 279th of 448 for the warmest December highs and joint 353rd of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Passos is 0.9°C cooler than that mean.
From December to January, average highs rise by 0.2°C to 27.7°C, and monthly rainfall rises from 236 mm to 243 mm.
The annual picture
December 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
Passos climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C19.8°C | 19.8°C | 243 | 22.2 | 13.213 h |
| February | 28.0°C19.7°C | 19.7°C | 166 | 18.3 | 12.813 h |
| March | 27.3°C19.2°C | 19.2°C | 146 | 18.2 | 12.212 h |
| April | 26.4°C17.6°C | 17.6°C | 54 | 9.1 | 11.612 h |
| May | 24.4°C14.6°C | 14.6°C | 35 | 4.8 | 11.111 h |
| June | 23.8°C12.9°C | 12.9°C | 15 | 2.5 | 10.911 h |
| July | 24.2°C12.4°C | 12.4°C | 10 | 1.8 | 11.011 h |
| August | 26.3°C13.5°C | 13.5°C | 13 | 2.5 | 11.411 h |
| September | 28.2°C16.2°C | 16.2°C | 58 | 7.0 | 12.012 h |
| October | 28.6°C18.3°C | 18.3°C | 94 | 13.5 | 12.613 h |
| November | 27.4°C18.9°C | 18.9°C | 168 | 19.0 | 13.113 h |
| December, selected | 27.5°C19.6°C | 19.6°C | 236 | 23.6 | 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
December in nearby cities
- São Sebastião do Paraíso in DecemberBrazil · 45 kmHigh 26.2°C · Low 18.6°C · 295 mm rain
- Franca in DecemberBrazil · 85 kmHigh 26.4°C · Low 18.6°C · 265 mm rain
- Alfenas in DecemberBrazil · 105 kmHigh 26.2°C · Low 18.7°C · 204 mm rain
- Poços de Caldas in DecemberBrazil · 119 kmHigh 24.7°C · Low 17.4°C · 308 mm rain
- Araxá in DecemberBrazil · 130 kmHigh 25.9°C · Low 18.3°C · 229 mm rain
- Ribeirão Preto in DecemberBrazil · 135 kmHigh 28.9°C · Low 20.8°C · 221 mm rain
- São João da Boa Vista in DecemberBrazil · 140 kmHigh 27.5°C · Low 19.2°C · 245 mm rain
- Sertãozinho in DecemberBrazil · 151 kmHigh 29.0°C · Low 20.8°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 Passos) is explained once on the Passos year overview and on the Sources, method and limits page.