Climate averages 1991–2020
Formosa, Argentina weather
in December.
A hot, wet month: the joint 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Formosa, Argentina: daytime highs average 31.3°C and nights cool to about 22.4°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 162 mm of rain on roughly 11 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 44 min on an average December day.
The nearest other city in this atlas is Nemby (109 km away). In December its highs average 31.1°C, about as warm as Formosa, Argentina, with 165 mm of rain.
Among the 67 cities listed in Argentina, Formosa, Argentina ranks 3rd of 67 for the warmest December highs and 64th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Formosa, Argentina is 3.5°C warmer than that mean.
From December to January, average highs rise by 1.0°C to 32.3°C, and monthly rainfall falls from 162 mm to 119 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
Formosa, Argentina climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.3°C23.7°C | 23.7°C | 119 | 11.0 | 13.614 h |
| February | 31.3°C23.1°C | 23.1°C | 138 | 11.6 | 13.013 h |
| March | 30.0°C21.7°C | 21.7°C | 128 | 10.8 | 12.312 h |
| April | 27.0°C19.0°C | 19.0°C | 153 | 9.5 | 11.511 h |
| May | 23.0°C15.6°C | 15.6°C | 128 | 8.4 | 10.911 h |
| June | 21.3°C14.1°C | 14.1°C | 99 | 8.4 | 10.511 h |
| July | 20.9°C12.6°C | 12.6°C | 78 | 7.5 | 10.711 h |
| August | 23.7°C14.1°C | 14.1°C | 64 | 6.6 | 11.211 h |
| September | 25.8°C15.9°C | 15.9°C | 110 | 8.6 | 11.912 h |
| October | 28.0°C18.8°C | 18.8°C | 184 | 11.5 | 12.713 h |
| November | 29.3°C20.0°C | 20.0°C | 182 | 10.5 | 13.413 h |
| December, selected | 31.3°C22.4°C | 22.4°C | 162 | 11.4 | 13.714 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
- Nemby in DecemberParaguay · 109 kmHigh 31.1°C · Low 22.4°C · 165 mm rain
- Asunción in DecemberParaguay · 113 kmHigh 31.2°C · Low 22.5°C · 160 mm rain
- San Lorenzo in DecemberParaguay · 115 kmHigh 31.1°C · Low 22.5°C · 161 mm rain
- Capiatá in DecemberParaguay · 118 kmHigh 31.0°C · Low 22.3°C · 161 mm rain
- Limpio in DecemberParaguay · 133 kmHigh 31.5°C · Low 22.8°C · 161 mm rain
- Corrientes in DecemberArgentina · 157 kmHigh 30.5°C · Low 21.7°C · 151 mm rain
- Resistencia in DecemberArgentina · 164 kmHigh 30.7°C · Low 21.7°C · 148 mm rain
- Ituzaingó in DecemberArgentina · 214 kmHigh 30.6°C · Low 22.3°C · 166 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 Formosa) is explained once on the Formosa, Argentina year overview and on the Sources, method and limits page.