Climate averages 1991–2020
Paysandú weather
in December.
A hot, wet month: the 2nd warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Paysandú: daytime highs average 28.8°C and nights cool to about 18.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 118 mm of rain on roughly 8 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 13 min on an average December day.
The nearest other city in this atlas is Gualeguaychú (87 km away). In December its highs average 28.6°C, about as warm as Paysandú, with 128 mm of rain.
Among the 4 cities listed in Uruguay, Paysandú ranks 1st of 4 for the warmest December highs and 4th of 4 for the driest December (rainfall, lowest first). The mean December high of those 4 cities is 25.9°C; Paysandú is 2.9°C warmer than that mean.
From December to January, average highs rise by 1.3°C to 30.1°C, and monthly rainfall falls from 118 mm to 104 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
Paysandú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C19.9°C | 19.9°C | 104 | 8.5 | 14.014 h |
| February | 28.7°C19.2°C | 19.2°C | 115 | 8.1 | 13.313 h |
| March | 26.8°C17.4°C | 17.4°C | 122 | 8.1 | 12.312 h |
| April | 23.1°C14.1°C | 14.1°C | 140 | 8.5 | 11.311 h |
| May | 19.2°C11.1°C | 11.1°C | 90 | 7.2 | 10.510 h |
| June | 16.6°C8.4°C | 8.4°C | 85 | 7.1 | 10.110 h |
| July | 15.8°C7.3°C | 7.3°C | 72 | 6.6 | 10.210 h |
| August | 18.4°C8.6°C | 8.6°C | 89 | 6.8 | 10.911 h |
| September | 20.0°C10.1°C | 10.1°C | 96 | 7.6 | 11.912 h |
| October | 22.9°C13.0°C | 13.0°C | 125 | 9.2 | 12.913 h |
| November | 26.1°C15.4°C | 15.4°C | 107 | 7.5 | 13.714 h |
| December, selected | 28.8°C18.0°C | 18.0°C | 118 | 7.7 | 14.214 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
- Gualeguaychú in DecemberArgentina · 87 kmHigh 28.6°C · Low 18.3°C · 128 mm rain
- Concordia in DecemberArgentina · 103 kmHigh 29.3°C · Low 19.1°C · 115 mm rain
- Zárate in DecemberArgentina · 216 kmHigh 28.0°C · Low 17.4°C · 104 mm rain
- Campana in DecemberArgentina · 221 kmHigh 28.1°C · Low 17.3°C · 99 mm rain
- San Nicolás de los Arroyos in DecemberArgentina · 229 kmHigh 28.4°C · Low 18.6°C · 108 mm rain
- Paraná in DecemberArgentina · 240 kmHigh 28.8°C · Low 19.1°C · 128 mm rain
- Don Torcuato in DecemberArgentina · 247 kmHigh 27.1°C · Low 18.0°C · 92 mm rain
- Rosario in DecemberArgentina · 250 kmHigh 28.8°C · Low 18.5°C · 104 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 Paysandú) is explained once on the Paysandú year overview and on the Sources, method and limits page.