Climate averages 1991–2020
Asti weather
in May.
A warm, wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Asti: daytime highs average 22.0°C and nights cool to about 12.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 114 mm of rain on roughly 13 days, which makes May a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 49 min on an average May day.
The nearest other city in this atlas is Alessandria (32 km away). In May its highs average 21.6°C, about as warm as Asti, with 83 mm of rain.
Among the 79 cities listed in Italy, Asti ranks joint 32nd of 79 for the warmest May highs and joint 68th of 79 for the driest May (rainfall, lowest first). The mean May high of those 79 cities is 21.8°C; Asti is 0.2°C warmer than that mean.
From May to June, average highs rise by 4.4°C to 26.4°C, and monthly rainfall falls from 114 mm to 105 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
Asti climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.8°C-0.6°C | -0.6°C | 57 | 6.5 | 9.29 h |
| February | 9.3°C0.3°C | 0.3°C | 60 | 6.2 | 10.410 h |
| March | 14.1°C3.8°C | 3.8°C | 67 | 7.6 | 11.912 h |
| April | 17.6°C7.7°C | 7.7°C | 94 | 11.2 | 13.513 h |
| May, selected | 22.0°C12.1°C | 12.1°C | 114 | 13.4 | 14.815 h |
| June | 26.4°C16.1°C | 16.1°C | 105 | 12.0 | 15.516 h |
| July | 29.3°C18.9°C | 18.9°C | 83 | 11.1 | 15.215 h |
| August | 28.8°C18.9°C | 18.9°C | 108 | 12.0 | 14.114 h |
| September | 23.6°C14.8°C | 14.8°C | 111 | 10.0 | 12.613 h |
| October | 17.6°C10.2°C | 10.2°C | 107 | 9.3 | 11.011 h |
| November | 11.5°C4.8°C | 4.8°C | 124 | 9.2 | 9.610 h |
| December | 7.0°C0.2°C | 0.2°C | 65 | 7.0 | 8.99 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
- Alessandria in MayItaly · 32 kmHigh 21.6°C · Low 11.5°C · 83 mm rain
- Turin in MayItaly · 45 kmHigh 20.0°C · Low 10.2°C · 115 mm rain
- Novara in MayItaly · 69 kmHigh 22.0°C · Low 11.6°C · 162 mm rain
- Genoa in MayItaly · 80 kmHigh 20.8°C · Low 13.5°C · 103 mm rain
- Busto Arsizio in MayItaly · 94 kmHigh 21.0°C · Low 11.2°C · 126 mm rain
- Milan in MayItaly · 99 kmHigh 21.7°C · Low 11.6°C · 107 mm rain
- Cinisello Balsamo in MayItaly · 107 kmHigh 21.3°C · Low 11.3°C · 107 mm rain
- Monza in MayItaly · 112 kmHigh 21.2°C · Low 11.0°C · 107 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 Asti) is explained once on the Asti year overview and on the Sources, method and limits page.