Climate averages 1991–2020
Itaperuna weather
in December.
A hot, very wet month: the joint 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Itaperuna: daytime highs average 29.7°C and nights cool to about 21.5°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 223 mm of rain on roughly 19 days, which makes December a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 24 min on an average December day.
The nearest other city in this atlas is Muriaé (50 km away). In December its highs average 29.4°C, about as warm as Itaperuna, with 254 mm of rain.
Among the 448 cities listed in Brazil, Itaperuna ranks joint 120th of 448 for the warmest December highs and joint 308th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Itaperuna is 1.2°C warmer than that mean.
From December to January, average highs rise by 1.0°C to 30.7°C, and monthly rainfall falls from 223 mm to 177 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
Itaperuna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.7°C22.1°C | 22.1°C | 177 | 16.2 | 13.313 h |
| February | 31.1°C22.2°C | 22.2°C | 110 | 11.6 | 12.813 h |
| March | 29.7°C21.7°C | 21.7°C | 143 | 15.8 | 12.212 h |
| April | 28.2°C20.2°C | 20.2°C | 72 | 10.3 | 11.612 h |
| May | 26.1°C17.4°C | 17.4°C | 45 | 6.7 | 11.111 h |
| June | 25.5°C15.9°C | 15.9°C | 16 | 3.5 | 10.911 h |
| July | 25.4°C15.4°C | 15.4°C | 16 | 4.0 | 11.011 h |
| August | 26.6°C15.9°C | 15.9°C | 20 | 4.0 | 11.411 h |
| September | 28.1°C17.5°C | 17.5°C | 56 | 7.4 | 12.012 h |
| October | 28.9°C19.4°C | 19.4°C | 99 | 10.8 | 12.613 h |
| November | 28.4°C20.3°C | 20.3°C | 202 | 16.7 | 13.113 h |
| December, selected | 29.7°C21.5°C | 21.5°C | 223 | 19.4 | 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
- Muriaé in DecemberBrazil · 50 kmHigh 29.4°C · Low 21.3°C · 254 mm rain
- Campos dos Goytacazes in DecemberBrazil · 84 kmHigh 29.4°C · Low 22.6°C · 196 mm rain
- Cachoeiro de Itapemirim in DecemberBrazil · 90 kmHigh 29.5°C · Low 21.8°C · 225 mm rain
- Manhuaçu in DecemberBrazil · 106 kmHigh 26.6°C · Low 19.4°C · 264 mm rain
- Ubá in DecemberBrazil · 110 kmHigh 28.5°C · Low 20.6°C · 278 mm rain
- Viçosa in DecemberBrazil · 115 kmHigh 26.8°C · Low 19.6°C · 244 mm rain
- Macaé in DecemberBrazil · 132 kmHigh 28.0°C · Low 22.6°C · 149 mm rain
- Nova Friburgo in DecemberBrazil · 137 kmHigh 26.2°C · Low 19.1°C · 352 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 Itaperuna) is explained once on the Itaperuna year overview and on the Sources, method and limits page.