Climate averages 1991–2020
Umuarama weather
in December.
A hot, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Umuarama: daytime highs average 29.3°C and nights cool to about 21.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 190 mm of rain on roughly 17 days, which makes December a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 34 min on an average December day.
The nearest other city in this atlas is Cianorte (74 km away). In December its highs average 28.7°C, 0.6°C cooler than Umuarama, with 187 mm of rain.
Among the 448 cities listed in Brazil, Umuarama ranks joint 154th of 448 for the warmest December highs and joint 235th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Umuarama is 0.8°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 29.4°C, and monthly rainfall falls from 190 mm to 189 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
Umuarama climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C21.7°C | 21.7°C | 189 | 19.8 | 13.413 h |
| February | 29.2°C21.5°C | 21.5°C | 181 | 17.3 | 12.913 h |
| March | 28.5°C20.6°C | 20.6°C | 124 | 14.8 | 12.212 h |
| April | 27.0°C18.6°C | 18.6°C | 105 | 8.4 | 11.612 h |
| May | 23.4°C15.3°C | 15.3°C | 140 | 8.9 | 11.011 h |
| June | 22.4°C14.4°C | 14.4°C | 117 | 8.4 | 10.711 h |
| July | 22.5°C13.6°C | 13.6°C | 87 | 6.7 | 10.811 h |
| August | 24.9°C15.0°C | 15.0°C | 88 | 6.5 | 11.311 h |
| September | 26.9°C16.9°C | 16.9°C | 134 | 8.9 | 11.912 h |
| October | 28.2°C19.2°C | 19.2°C | 189 | 13.3 | 12.613 h |
| November | 28.4°C19.7°C | 19.7°C | 163 | 12.9 | 13.213 h |
| December, selected | 29.3°C21.2°C | 21.2°C | 190 | 16.7 | 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
December in nearby cities
- Cianorte in DecemberBrazil · 74 kmHigh 28.7°C · Low 20.5°C · 187 mm rain
- Campo Mourão in DecemberBrazil · 101 kmHigh 28.0°C · Low 19.6°C · 191 mm rain
- Toledo, Brazil in DecemberBrazil · 114 kmHigh 28.2°C · Low 20.0°C · 186 mm rain
- Paranavaí in DecemberBrazil · 117 kmHigh 29.5°C · Low 21.4°C · 178 mm rain
- Cascavel in DecemberBrazil · 133 kmHigh 26.8°C · Low 18.7°C · 179 mm rain
- Maringá in DecemberBrazil · 146 kmHigh 28.6°C · Low 20.2°C · 172 mm rain
- Apucarana in DecemberBrazil · 191 kmHigh 26.5°C · Low 18.2°C · 213 mm rain
- Arapongas in DecemberBrazil · 197 kmHigh 26.9°C · Low 18.6°C · 213 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 Umuarama) is explained once on the Umuarama year overview and on the Sources, method and limits page.