Climate averages 1991–2020
Tandil weather
in May.
A mild, moderately wet month: the 9th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Tandil: daytime highs average 15.5°C and nights cool to about 7.4°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 42 mm of rain on roughly 6 days, which makes May a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 09 min on an average May day.
The nearest other city in this atlas is Olavarría (116 km away). In May its highs average 16.0°C, about as warm as Tandil, with 47 mm of rain.
Among the 67 cities listed in Argentina, Tandil ranks joint 63rd of 67 for the warmest May highs and 21st of 67 for the driest May (rainfall, lowest first). The mean May high of those 67 cities is 18.0°C; Tandil is 2.5°C cooler than that mean.
From May to June, average highs fall by 3.1°C to 12.4°C, and monthly rainfall falls from 42 mm to 41 mm.
The annual picture
May 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
Tandil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.1°C15.3°C | 15.3°C | 81 | 9.1 | 14.414 h |
| February | 25.7°C14.9°C | 14.9°C | 73 | 8.0 | 13.514 h |
| March | 23.3°C13.2°C | 13.2°C | 74 | 8.0 | 12.312 h |
| April | 19.2°C10.1°C | 10.1°C | 81 | 7.6 | 11.211 h |
| May, selected | 15.5°C7.4°C | 7.4°C | 42 | 5.6 | 10.210 h |
| June | 12.4°C4.6°C | 4.6°C | 41 | 4.8 | 9.610 h |
| July | 11.6°C3.5°C | 3.5°C | 40 | 5.3 | 9.910 h |
| August | 14.1°C4.6°C | 4.6°C | 51 | 5.5 | 10.711 h |
| September | 16.0°C5.8°C | 5.8°C | 59 | 7.0 | 11.812 h |
| October | 18.9°C8.4°C | 8.4°C | 85 | 9.5 | 13.013 h |
| November | 22.4°C10.9°C | 10.9°C | 90 | 9.5 | 14.114 h |
| December | 25.9°C13.7°C | 13.7°C | 76 | 8.6 | 14.715 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
May in nearby cities
- Olavarría in MayArgentina · 116 kmHigh 16.0°C · Low 7.7°C · 47 mm rain
- Necochea in MayArgentina · 141 kmHigh 15.6°C · Low 10.5°C · 53 mm rain
- Mar del Plata in MayArgentina · 158 kmHigh 15.7°C · Low 9.9°C · 49 mm rain
- Mar del Tuyú in MayArgentina · 233 kmHigh 15.6°C · Low 12.1°C · 60 mm rain
- San Vicente in MayArgentina · 264 kmHigh 17.7°C · Low 9.7°C · 59 mm rain
- Ezeiza in MayArgentina · 281 kmHigh 17.8°C · Low 10.0°C · 61 mm rain
- La Plata in MayArgentina · 288 kmHigh 17.0°C · Low 11.2°C · 60 mm rain
- Laferrere in MayArgentina · 291 kmHigh 17.8°C · Low 10.1°C · 61 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 Tandil) is explained once on the Tandil year overview and on the Sources, method and limits page.