Climate averages 1991–2020
Genoa weather
in May.
A mild, wet month: the 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Genoa: daytime highs average 20.8°C and nights cool to about 13.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 103 mm of rain on roughly 13 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 46 min on an average May day.
The nearest other city in this atlas is Alessandria (62 km away). In May its highs average 21.6°C, 0.9°C warmer than Genoa, with 83 mm of rain.
Among the 79 cities listed in Italy, Genoa ranks joint 63rd of 79 for the warmest May highs and 62nd of 79 for the driest May (rainfall, lowest first). The mean May high of those 79 cities is 21.8°C; Genoa is 1.0°C cooler than that mean.
From May to June, average highs rise by 3.8°C to 24.6°C, and monthly rainfall falls from 103 mm to 82 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
Genoa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C3.9°C | 3.9°C | 95 | 8.9 | 9.39 h |
| February | 10.8°C4.0°C | 4.0°C | 73 | 8.2 | 10.410 h |
| March | 14.2°C6.6°C | 6.6°C | 87 | 9.5 | 11.912 h |
| April | 17.1°C9.6°C | 9.6°C | 105 | 12.6 | 13.413 h |
| May, selected | 20.8°C13.5°C | 13.5°C | 103 | 13.2 | 14.815 h |
| June | 24.6°C17.4°C | 17.4°C | 82 | 10.9 | 15.515 h |
| July | 27.3°C19.9°C | 19.9°C | 56 | 9.0 | 15.215 h |
| August | 27.6°C20.3°C | 20.3°C | 67 | 10.6 | 14.014 h |
| September | 23.5°C16.5°C | 16.5°C | 124 | 11.0 | 12.613 h |
| October | 18.9°C12.9°C | 12.9°C | 165 | 12.6 | 11.011 h |
| November | 13.8°C8.5°C | 8.5°C | 191 | 12.1 | 9.710 h |
| December | 10.3°C4.9°C | 4.9°C | 119 | 10.3 | 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 · 62 kmHigh 21.6°C · Low 11.5°C · 83 mm rain
- La Spezia in MayItaly · 78 kmHigh 19.5°C · Low 13.6°C · 71 mm rain
- Asti in MayItaly · 80 kmHigh 22.0°C · Low 12.1°C · 114 mm rain
- Piacenza in MayItaly · 93 kmHigh 22.7°C · Low 12.6°C · 92 mm rain
- Cremona in MayItaly · 117 kmHigh 22.9°C · Low 12.5°C · 93 mm rain
- Parma in MayItaly · 118 kmHigh 22.6°C · Low 11.7°C · 82 mm rain
- Novara in MayItaly · 119 kmHigh 22.0°C · Low 11.6°C · 162 mm rain
- Milan in MayItaly · 119 kmHigh 21.7°C · Low 11.6°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 Genoa) is explained once on the Genoa year overview and on the Sources, method and limits page.