Climate averages 1991–2020
Osorno weather
in May.
A cool, very wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a cool month in Osorno: daytime highs average 13.2°C and nights cool to about 6.1°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 194 mm of rain on roughly 15 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 55 min on an average May day.
The nearest other city in this atlas is Valdivia (85 km away). In May its highs average 13.5°C, about as warm as Osorno, with 257 mm of rain.
Among the 40 cities listed in Chile, Osorno ranks 38th of 40 for the warmest May highs and 37th of 40 for the driest May (rainfall, lowest first). The mean May high of those 40 cities is 17.5°C; Osorno is 4.4°C cooler than that mean.
From May to June, average highs fall by 2.4°C to 10.7°C, and monthly rainfall rises from 194 mm to 251 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
Osorno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.5°C11.0°C | 11.0°C | 39 | 6.2 | 14.715 h |
| February | 22.0°C11.1°C | 11.1°C | 42 | 5.3 | 13.714 h |
| March | 19.6°C9.7°C | 9.7°C | 65 | 8.5 | 12.412 h |
| April | 15.9°C7.4°C | 7.4°C | 114 | 11.6 | 11.011 h |
| May, selected | 13.2°C6.1°C | 6.1°C | 194 | 15.4 | 9.910 h |
| June | 10.7°C4.5°C | 4.5°C | 251 | 18.8 | 9.39 h |
| July | 10.3°C3.4°C | 3.4°C | 231 | 17.9 | 9.610 h |
| August | 11.2°C3.8°C | 3.8°C | 213 | 18.6 | 10.511 h |
| September | 12.9°C4.5°C | 4.5°C | 129 | 14.0 | 11.812 h |
| October | 14.7°C5.9°C | 5.9°C | 114 | 13.6 | 13.113 h |
| November | 16.7°C7.7°C | 7.7°C | 77 | 10.6 | 14.414 h |
| December | 19.2°C9.6°C | 9.6°C | 67 | 8.2 | 15.015 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
- Valdivia in MayChile · 85 kmHigh 13.5°C · Low 7.7°C · 257 mm rain
- Puerto Montt in MayChile · 101 kmHigh 12.5°C · Low 7.6°C · 261 mm rain
- San Carlos de Bariloche in MayArgentina · 166 kmHigh 7.9°C · Low 2.8°C · 119 mm rain
- Padre Las Casas in MayChile · 207 kmHigh 14.0°C · Low 6.1°C · 187 mm rain
- Temuco in MayChile · 209 kmHigh 14.3°C · Low 6.4°C · 187 mm rain
- Los Ángeles in MayChile · 352 kmHigh 15.0°C · Low 6.4°C · 178 mm rain
- Villa Mercedes, Chile in MayChile · 366 kmHigh 14.4°C · Low 6.0°C · 245 mm rain
- Coronel in MayChile · 394 kmHigh 15.5°C · Low 8.6°C · 175 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 Osorno) is explained once on the Osorno year overview and on the Sources, method and limits page.