Climate averages 1991–2020
Olavarría weather
in October.
A mild, 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 mild month in Olavarría: daytime highs average 19.7°C and nights cool to about 9.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 90 mm of rain on roughly 9 days, which makes October a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average October day.
The nearest other city in this atlas is Tandil (116 km away). In October its highs average 18.9°C, 0.8°C cooler than Olavarría, with 85 mm of rain.
Among the 67 cities listed in Argentina, Olavarría ranks 60th of 67 for the warmest October highs and 26th of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Olavarría is 2.5°C cooler than that mean.
From October to November, average highs rise by 3.6°C to 23.2°C, and monthly rainfall rises from 90 mm to 94 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
Olavarría climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C16.4°C | 16.4°C | 92 | 9.3 | 14.414 h |
| February | 26.3°C15.7°C | 15.7°C | 76 | 7.8 | 13.513 h |
| March | 23.9°C13.9°C | 13.9°C | 81 | 8.0 | 12.312 h |
| April | 19.8°C10.5°C | 10.5°C | 85 | 7.8 | 11.211 h |
| May | 16.0°C7.7°C | 7.7°C | 47 | 5.7 | 10.210 h |
| June | 12.8°C4.7°C | 4.7°C | 37 | 4.6 | 9.710 h |
| July | 12.1°C3.6°C | 3.6°C | 38 | 5.2 | 9.910 h |
| August | 14.7°C4.9°C | 4.9°C | 54 | 5.0 | 10.711 h |
| September | 16.8°C6.4°C | 6.4°C | 62 | 6.7 | 11.812 h |
| October, selected | 19.7°C9.2°C | 9.2°C | 90 | 9.2 | 13.013 h |
| November | 23.2°C11.9°C | 11.9°C | 94 | 8.9 | 14.114 h |
| December | 26.6°C14.7°C | 14.7°C | 80 | 8.7 | 14.615 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
- Tandil in OctoberArgentina · 116 kmHigh 18.9°C · Low 8.4°C · 85 mm rain
- Necochea in OctoberArgentina · 231 kmHigh 16.7°C · Low 9.9°C · 73 mm rain
- Junín in OctoberArgentina · 262 kmHigh 21.9°C · Low 11.8°C · 119 mm rain
- Bahía Blanca in OctoberArgentina · 265 kmHigh 20.6°C · Low 10.9°C · 64 mm rain
- San Vicente in OctoberArgentina · 269 kmHigh 20.9°C · Low 11.4°C · 106 mm rain
- Mar del Plata in OctoberArgentina · 273 kmHigh 17.3°C · Low 9.8°C · 80 mm rain
- Ezeiza in OctoberArgentina · 279 kmHigh 20.9°C · Low 11.8°C · 109 mm rain
- Luján in OctoberArgentina · 281 kmHigh 21.6°C · Low 11.6°C · 119 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 Olavarría) is explained once on the Olavarría year overview and on the Sources, method and limits page.