Genoa, Italy Climate & Monthly Averages
Genoa has a humid subtropical climate. August is the hottest month, averaging 84° by day; January is the coldest at 52°.
Sunshine is a defining feature of Genoa's climate
Genoa runs on a dry-summer rhythm: the warmest months are also the driest. July averages 1.6 inches (40 mm) while the wet season peaks in October at 10.1 inches (256 mm). Highs range from 52°F (11°C) to 84°F (29°C).
How sun, temperature and rain fit together
Snow falls on roughly 4 days a year, mostly December through February. January bottoms out at 52°F (11°C) in daylight, 41°F (5°C) after dark. At its warmest, in August, Genoa runs to 84°F (29°C) in the afternoon and back to 70°F (21°C) by dawn. The wettest month is October (10.1 inches (256 mm) across 13 days) and the driest July.
Days and nights are about 7°C apart on average - narrower than about 85% of the cities we track. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 27°F (-3°C).
More climate facts for Genoa
- Hottest month: August - highs near 84°F (29°C)
- Coldest month: January - highs near 52°F (11°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 27°F (-3°C) low
- Wettest month: October (13 rainy days) · Sunniest: July (13.9 h sun/day)
- Climate type: humid subtropical
- Annual swing: 17°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 4 days a year
- Average humidity: 74%
The most comfortable sunny-weather window
Best time to visit Genoa
June to September and April is the sweet spot for Genoa - the dry season is running but the afternoons are still bearable. Expect 74°F (23°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in June.
What to pack
Pack for Genoa with light clothing for the warm months, a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Even in August, lows of 70°F (21°C) make an extra layer worth the space.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 52° | 41° | 10 | 4.0 in | 6.5 h/day | 9.2 h | 32% | 73% |
| February | 54° | 43° | 12 | 5.4 in | 6.6 h/day | 10.4 h | 41% | 75% |
| March | 58° | 46° | 11 | 4.9 in | 8.8 h/day | 11.8 h | 37% | 71% |
| April | 64° | 50° | 11 | 4.0 in | 10.6 h/day | 13.4 h | 37% | 70% |
| May | 69° | 57° | 15 | 4.4 in | 11.2 h/day | 14.8 h | 48% | 76% |
| June | 77° | 65° | 11 | 3.2 in | 13.1 h/day | 15.5 h | 36% | 76% |
| July | 83° | 70° | 8 | 1.6 in | 13.9 h/day | 15.2 h | 25% | 73% |
| August | 84° | 70° | 9 | 2.4 in | 12.3 h/day | 14.0 h | 28% | 68% |
| September | 77° | 64° | 10 | 4.2 in | 10.6 h/day | 12.4 h | 34% | 72% |
| October | 68° | 57° | 13 | 10.1 in | 7.5 h/day | 10.9 h | 43% | 79% |
| November | 59° | 49° | 12 | 6.6 in | 6.4 h/day | 9.5 h | 40% | 78% |
| December | 54° | 43° | 11 | 5.3 in | 5.8 h/day | 8.9 h | 35% | 78% |
Genoa month by month
Each card shows the average high and low. The bar places that month between Genoa's coldest night and warmest afternoon.
January
- Rain
- 10 days
- Sunshine
- 6.5 h
- Daylight
- 9.2 h
February
- Rain
- 12 days
- Sunshine
- 6.6 h
- Daylight
- 10.4 h
- Snow
- 2 days
March
- Rain
- 11 days
- Sunshine
- 8.8 h
- Daylight
- 11.8 h
April
- Rain
- 11 days
- Sunshine
- 10.6 h
- Daylight
- 13.4 h
May
- Rain
- 15 days
- Sunshine
- 11.2 h
- Daylight
- 14.8 h
June
- Rain
- 11 days
- Sunshine
- 13.1 h
- Daylight
- 15.5 h
July
- Rain
- 8 days
- Sunshine
- 13.9 h
- Daylight
- 15.2 h
August
- Rain
- 9 days
- Sunshine
- 12.3 h
- Daylight
- 14.0 h
September
- Rain
- 10 days
- Sunshine
- 10.6 h
- Daylight
- 12.4 h
October
- Rain
- 13 days
- Sunshine
- 7.5 h
- Daylight
- 10.9 h
November
- Rain
- 12 days
- Sunshine
- 6.4 h
- Daylight
- 9.5 h
December
- Rain
- 11 days
- Sunshine
- 5.8 h
- Daylight
- 8.9 h
Looking for warmer alternatives? Browse warm places by month, or compare Genoa's coolest part of the year: January, December, February.
Seasonal weather under Genoa's sunnier skies
Spring (March through May)
Spring in Genoa is crisp but comfortable, with daytime highs averaging 64°F (18°C) and nights around 51°F (11°C); rain falls on around 37 of the 90 days. Daylight is generous - around 10.2 hours of sun a day.
Summer (June through August)
Summer in Genoa runs hot, with daytime highs averaging 82°F (28°C) and nights around 68°F (20°C); expect showers on roughly 27 days across the season. Daylight is generous - around 13.1 hours of sun a day.
Fall (September through November)
Through fall, Genoa is mild and warm: 68°F (20°C) by day, 56°F (14°C) after dark, and rain falls on around 35 of the 90 days.
Winter (December through February)
Winter runs cold here - highs near 53°F (12°C), nights near 42°F (6°C), and rain falls on around 32 of the 90 days, plus about 4 snowy days.
How unusual is Genoa?
- Genoa sits close to the middle of our dataset on most measures: 60°F (16°C) as an annual average, 56.0 inches (1423 mm) of precipitation and 9.4 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Genoa temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.