Climate averages 1991–2020
Gualeguaychú weather
in October.
A warm, wet month: the 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Gualeguaychú: daytime highs average 22.5°C and nights cool to about 13.1°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 124 mm of rain on roughly 10 days, which makes October a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 53 min on an average October day.
The nearest other city in this atlas is Paysandú (87 km away). In October its highs average 22.9°C, about as warm as Gualeguaychú, with 125 mm of rain.
Among the 67 cities listed in Argentina, Gualeguaychú ranks 29th of 67 for the warmest October highs and 53rd of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Gualeguaychú is 0.3°C warmer than that mean.
From October to November, average highs rise by 3.3°C to 25.8°C, and monthly rainfall falls from 124 mm to 104 mm.
The annual picture
October 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
Gualeguaychú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.9°C20.1°C | 20.1°C | 110 | 7.7 | 14.114 h |
| February | 28.3°C19.3°C | 19.3°C | 117 | 8.1 | 13.313 h |
| March | 26.4°C17.5°C | 17.5°C | 121 | 8.0 | 12.312 h |
| April | 22.7°C14.2°C | 14.2°C | 130 | 7.9 | 11.311 h |
| May | 18.9°C11.1°C | 11.1°C | 80 | 6.1 | 10.410 h |
| June | 16.2°C8.3°C | 8.3°C | 69 | 6.5 | 10.010 h |
| July | 15.4°C7.2°C | 7.2°C | 64 | 6.0 | 10.210 h |
| August | 17.9°C8.5°C | 8.5°C | 87 | 6.5 | 10.911 h |
| September | 19.7°C10.1°C | 10.1°C | 87 | 7.0 | 11.912 h |
| October, selected | 22.5°C13.1°C | 13.1°C | 124 | 9.8 | 12.913 h |
| November | 25.8°C15.6°C | 15.6°C | 104 | 6.9 | 13.814 h |
| December | 28.6°C18.3°C | 18.3°C | 128 | 8.6 | 14.314 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
October in nearby cities
- Paysandú in OctoberUruguay · 87 kmHigh 22.9°C · Low 13.0°C · 125 mm rain
- Zárate in OctoberArgentina · 130 kmHigh 21.8°C · Low 12.1°C · 131 mm rain
- Campana in OctoberArgentina · 135 kmHigh 21.8°C · Low 11.9°C · 128 mm rain
- San Nicolás de los Arroyos in OctoberArgentina · 162 kmHigh 22.7°C · Low 13.3°C · 112 mm rain
- Pilar in OctoberArgentina · 165 kmHigh 21.4°C · Low 11.8°C · 119 mm rain
- Don Torcuato in OctoberArgentina · 166 kmHigh 20.8°C · Low 12.6°C · 117 mm rain
- José C. Paz in OctoberArgentina · 169 kmHigh 21.2°C · Low 12.0°C · 117 mm rain
- San Miguel, Argentina in OctoberArgentina · 172 kmHigh 21.0°C · Low 12.2°C · 117 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 Gualeguaychú) is explained once on the Gualeguaychú year overview and on the Sources, method and limits page.