Genoa weather in August

In August, Genoa sees average daytime highs of 24°C and overnight lows near 18°C, with 67 mm of rain across 10.6 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 49% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Genoa's 2nd-clearest and 12th-windiest month. For the whole year in context, see Genoa's year-round climate.

Daytime high
24°
1st warmest
Overnight low
18°
12th coldest
Rainfall
67 mm
10.6 wet days
Daylight
13 h 54 min
5:32 AM – 7:24 PM
Cloud cover
43%
2nd clearest
Wind
7 km/h
12th windiest
Solar energy
5.49 kWh/m²
Travel score
7.1
out of 10

Genoa is chief town of the homonym municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical August day in Genoa reaches about 24°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52518
62518
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172518
182518
192418
202418
212418
222418
232418
242417
252417
262417
272417
282417
292317
302317
312317

How August really feels in Genoa

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Genoa weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9592.591.1
Feb / 728.12.510.11.6
Mar12° / 879.51.311.63.1
Apr14° / 10512.60.113.24.0
May18° / 12°10313.2014.65.4
Jun22° / 16°8211015.36.6
Jul24° / 18°5690157.5
Aug24° / 18°6710.6013.87.1
Sep21° / 15°12411012.36.4
Oct16° / 11°16512.6010.84.9
Nov11° / 19112.10.79.42.8
Dec / 11910.32.48.71.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67426
77426
87426
97327
107327
117327
127327
137327
147228
157228
167228
177228
187228
197228
207129
217129
227030
236931
246931
256931
266832
276832
286832
296733
306634
316634

Chance of precipitation in August

Any precipitation

Genoa gets around 67 mm of rain over 10.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
230
330
430
530
631
731
831
932
1032
1133
1233
1333
1433
1534
1634
1734
1834
1935
2035
2136
2236
2337
2437
2538
2638
2738
2838
2938
3038
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171945271
272045271
372045271
472045271
572045271
672045261
772145261
872145261
972145261
1072145261
1172145251
1272145251
1372145251
1472246250
1572246250
1672246240
1772246240
1872346240
1972346240
2072346230
2182445230
2282445230
2392444220
24102543220
25122542210
26132641200
27152640180
28162739170
29182838160
30202937140
31213036130

Wind in August

Winds average 7 km/h in August, the calmest month.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 5:15 AM to 5:50 AM, and sunset from 7:46 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:157:46
214.55:167:44
314.45:177:43
414.45:187:42
514.35:207:40
614.35:217:39
714.35:227:38
814.25:237:36
914.25:247:35
1014.15:257:33
1114.15:267:32
1214.05:287:30
1314.05:297:29
1414.05:307:27
1513.95:317:26
1613.95:327:24
1713.85:347:23
1813.85:357:21
1913.75:367:19
2013.75:377:18
2113.65:387:16
2213.65:407:14
2313.55:417:13
2413.55:427:11
2513.45:437:09
2613.45:447:07
2713.35:467:06
2813.35:477:04
2913.25:487:02
3013.25:497:00
3113.15:506:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.49 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.41 kWh/m² in July across the year — August's 5.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Genoa?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.1
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

August is one of the better times to visit Genoa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Genoa in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Genoa sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Genoa in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Oct 19 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Genoa in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Genoa peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Genoa in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Genoa is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodMar 2016 µg/m³Dec 1011 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr15Moderate
May14Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep12Good
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Genoa?

Genoa sits at 44.4°N, 8.9°E, 19 m above sea level, in Italy. The nearest listed city is Rapallo, 23 km away.

Topography around Genoa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Genoa.

Within 3 km, the terrain around Genoa has significant variations in elevation — a maximum elevation change of 375 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,028 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,776 m.

The land around Genoa is covered by artificial surfaces (45%), water (32%) and trees (23%) within 3 km, water (47%) and trees (42%) within 16 km, and trees (52%) and water (26%) within 80 km.

3 km
375 m
16 km
1,028 m
80 km
1,776 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Rapallo 23 km · Portofino 24 km · Chiavari 32 km · Savona 39 km · Sestri Levante 39 km · Novi Ligure 42 km · Acqui Terme 48 km · Tortona 55 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Genoa (44.4048°, 8.9444°, elevation 19 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).