Climate averages 1991–2020
Busto Arsizio weather
in May.
A mild, wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Busto Arsizio: daytime highs average 21.0°C and nights cool to about 11.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 126 mm of rain on roughly 12 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 53 min on an average May day.
The nearest other city in this atlas is Varese (23 km away). In May its highs average 19.6°C, 1.5°C cooler than Busto Arsizio, with 145 mm of rain.
Among the 79 cities listed in Italy, Busto Arsizio ranks joint 57th of 79 for the warmest May highs and 74th of 79 for the driest May (rainfall, lowest first). The mean May high of those 79 cities is 21.8°C; Busto Arsizio is 0.7°C cooler than that mean.
From May to June, average highs rise by 4.2°C to 25.3°C, and monthly rainfall falls from 126 mm to 115 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
Busto Arsizio 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-0.9°C | -0.9°C | 63 | 6.5 | 9.19 h |
| February | 8.8°C-0.5°C | -0.5°C | 66 | 6.6 | 10.310 h |
| March | 13.3°C2.7°C | 2.7°C | 79 | 7.9 | 11.912 h |
| April | 16.8°C6.6°C | 6.6°C | 113 | 11.2 | 13.513 h |
| May, selected | 21.0°C11.2°C | 11.2°C | 126 | 12.4 | 14.915 h |
| June | 25.3°C15.4°C | 15.4°C | 115 | 11.1 | 15.616 h |
| July | 27.8°C18.0°C | 18.0°C | 83 | 9.1 | 15.315 h |
| August | 27.3°C18.0°C | 18.0°C | 113 | 10.8 | 14.114 h |
| September | 22.2°C13.8°C | 13.8°C | 134 | 9.9 | 12.613 h |
| October | 16.7°C9.5°C | 9.5°C | 140 | 10.2 | 11.011 h |
| November | 11.1°C4.5°C | 4.5°C | 163 | 10.2 | 9.510 h |
| December | 7.1°C-0.1°C | -0.1°C | 74 | 7.0 | 8.89 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
- Varese in MayItaly · 23 kmHigh 19.6°C · Low 9.9°C · 145 mm rain
- Novara in MayItaly · 25 kmHigh 22.0°C · Low 11.6°C · 162 mm rain
- Como in MayItaly · 28 kmHigh 20.9°C · Low 11.3°C · 137 mm rain
- Cinisello Balsamo in MayItaly · 29 kmHigh 21.3°C · Low 11.3°C · 107 mm rain
- Milan in MayItaly · 31 kmHigh 21.7°C · Low 11.6°C · 107 mm rain
- Monza in MayItaly · 33 kmHigh 21.2°C · Low 11.0°C · 107 mm rain
- Bergamo in MayItaly · 64 kmHigh 20.5°C · Low 10.2°C · 139 mm rain
- Alessandria in MayItaly · 80 kmHigh 21.6°C · Low 11.5°C · 83 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 Busto Arsizio) is explained once on the Busto Arsizio year overview and on the Sources, method and limits page.