Genoa climate

Name: Genoa
Address: IT

Genoa is warmest in August, with average highs of 28 °C, and coldest in January, when nights average 3.9 °C. November is the wettest month (197 mm) and July the driest (54 mm). Figures are 1991–2020 climate normals.

Across a full year Genoa averages 1,314 mm of rain, 75 days above 25 °C and 7 days below freezing.

Italy · 19 m elevation · population 580,097 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 28 °C
Coldest month January 3.9 °C
Driest month July 54 mm
Wettest month November 197 mm
Least cloud July 38 % cloud
Hottest on record August 36 °C
Coldest on record December -10 °C
Warmest sea August 25 °C

What to expectGenoa through the year

Genoa has a clear annual cycle: average daily highs run from 9.7 °C in January to 28 °C in August, a swing of 17 °C in mean temperature across the year.

Counted across a normal year, 75 days a year reach 25 °C, 12 of them reach 30 °C, 7 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. November averages 197 mm against 54 mm in July — 3.7 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Genoa is warmest in August at 25 °C and coldest in February at 13 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.7 °C	98 mm	56 %
February	10.8 °C	78 mm	53 %
March	14.2 °C	93 mm	52 %
April	17.1 °C	109 mm	57 %
May	20.7 °C	101 mm	58 %
June	24.4 °C	85 mm	49 %
July	27.3 °C	54 mm	38 %
August	27.6 °C	65 mm	41 %
September	23.6 °C	125 mm	48 %
October	18.9 °C	183 mm	59 %
November	13.9 °C	197 mm	61 %
December	10.4 °C	126 mm	57 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	9.7 °C	3.9 °C	6.6 °C	18.3 °C	-3.8 °C	0	0	2
February	10.8 °C	4.0 °C	7.2 °C	19.6 °C	-9.6 °C	0	0	3
March	14.2 °C	6.5 °C	10.3 °C	23.6 °C	-8.2 °C	0	0	1
April	17.1 °C	9.6 °C	13.4 °C	27.5 °C	2.5 °C	0	0	0
May	20.7 °C	13.5 °C	17.2 °C	29.0 °C	5.8 °C	3	0	0
June	24.4 °C	17.3 °C	21.1 °C	33.3 °C	10.6 °C	13	1	0
July	27.3 °C	19.8 °C	23.7 °C	33.3 °C	12.7 °C	24	5	0
August	27.6 °C	20.2 °C	24.0 °C	35.5 °C	12.9 °C	25	5	0
September	23.6 °C	16.5 °C	20.0 °C	31.4 °C	8.9 °C	9	0	0
October	18.9 °C	12.8 °C	15.7 °C	27.3 °C	3.5 °C	0	0	0
November	13.9 °C	8.5 °C	11.0 °C	22.4 °C	-1.8 °C	0	0	0
December	10.4 °C	4.9 °C	7.4 °C	19.2 °C	-10.1 °C	0	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	98 mm	9	9.2 h/day	56 %	79 %	16 km/h	14.0 °C
February	78 mm	8	10 h/day	53 %	76 %	16 km/h	13.4 °C
March	93 mm	9	12 h/day	52 %	74 %	16 km/h	13.6 °C
April	109 mm	13	13 h/day	57 %	76 %	15 km/h	14.9 °C
May	101 mm	13	15 h/day	58 %	77 %	14 km/h	18.0 °C
June	85 mm	11	16 h/day	49 %	77 %	13 km/h	21.6 °C
July	54 mm	9	15 h/day	38 %	73 %	13 km/h	24.3 °C
August	65 mm	10	14 h/day	41 %	74 %	12 km/h	25.1 °C
September	125 mm	11	13 h/day	48 %	76 %	14 km/h	22.9 °C
October	183 mm	12	11 h/day	59 %	81 %	15 km/h	20.3 °C
November	197 mm	12	9.6 h/day	61 %	82 %	16 km/h	17.8 °C
December	126 mm	10	8.9 h/day	57 %	79 %	16 km/h	15.6 °C

How Genoa compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Genoa	28 °C	3.9 °C	1,314 mm	75
Parma · Italy	30 °C	-0.3 °C	851 mm	101
Milan · Italy	29 °C	-1.1 °C	1,144 mm	83
Turin · Italy	27 °C	-1.8 °C	965 mm	69

Where Genoa ranks

Ranking	Position	Value
Warmest sea temperatures in Europe in May	25th of 50	18 °C
Warmest sea temperatures in Europe in November	25th of 50	18 °C
Warmest sea temperatures in Europe in June	26th of 50	22 °C
Warmest sea temperatures in Europe year-round	26th of 50	18 °C
Warmest sea temperatures in Europe in December	27th of 50	16 °C
Warmest sea temperatures in Europe in February	28th of 50	13 °C

Planning a trip? See the best time to visit Genoa.

QuestionsCommon questions about Genoa’s climate

When is the best time to visit Genoa?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Genoa get?

In August, the warmest month, daily highs average 28 °C. About 12 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 3.9 °C in January, the coldest month. A normal year has 7 nights below freezing.

Which month is wettest in Genoa?

November, averaging 197 mm over 12 days with rain. The driest month is July with 54 mm. The year as a whole averages 1,314 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Genoa rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 44.405°, 8.944° , 19 m above sea level (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.