Climate and average weather in Mestre

In Mestre, the summers are humid, warm, showery, and mostly clear and the winters are cold and partly cloudy.

Best: late April to mid October

Over the course of the year, the temperature in Mestre typically varies from 4°C to 27°C, and is rarely below 1°C or above 31°C. July is the hottest month of the year, while January is the coldest.

Based on the travel score, the best time of year to visit Mestre for warm-weather activities is from late April to mid October.

Hottest
Jul
27°
Coldest
Jan
Wettest
Nov
127 mm
Driest
Jan
60 mm
Rain / yr
1042 mm
110 wet days
Daylight
8.5–15.5 h
shortest–longest
Elevation
2 m
45.5°N
Clearest
Jul
40% cloud

Mestre is borough in Venice.

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

Mestre weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around late April to mid October.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Mestre, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 3.5 months, from June 3 to September 15, with daily high temperatures above 23°C. The hottest month of the year in Mestre is July, with an average high of 27°C and low of 22°C.

The cool season lasts 3.6 months, from November 22 to March 12, with daily high temperatures below 12°C. The coldest month of the year in Mestre is January, with an average low of 4°C and high of 8°C.

Days typically run about 5°C warmer than nights year-round.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan84
Feb94
Mar127
Apr1611
May2015
Jun2419
Jul2722
Aug2722
Sep2318
Oct1814
Nov139
Dec95

Average hourly temperature in Mestre

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on July afternoons, near 27°C, and coldest before dawn in January, near C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Mestre weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 607.70.48.91.2
Feb / 627.60.710.11.8
Mar12° / 707.90.311.63.4
Apr16° / 11°8210.3013.24.9
May20° / 15°9310.2014.76.5
Jun24° / 19°789.2015.47.2
Jul27° / 22°638.2015.17.1
Aug27° / 22°838.4013.97.1
Sep23° / 18°12310.1012.36.9
Oct18° / 14°12110.4010.75.7
Nov13° / 127110.19.33.4
Dec / 818.50.68.61.7

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Mestre gets about 1042 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 3.4 months, from around Aug 24 to Dec 5, peaking in November at about 38% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Mar 14.

November is the wettest month by volume, with 127 mm over about 11 wet days; January is the driest, with 60 mm.

0%10%20%30%40%50%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetNov 9 · 38%Mar 14 · 22%
Rain on a day (%)Rain days
Jan258
Feb278
Mar258
Apr3410
May3310
Jun319
Jul268
Aug278
Sep3410
Oct3410
Nov3611
Dec289

Monthly rainfall

Over a full year, Mestre collects about 1042 mm of rain across 110 wet days — roughly 87 mm in an average month.

It doesn’t fall evenly. November is the wettest month with 127 mm, while January is the driest at just 60 mm. The three wettest months alone bring about 36% of the year’s total, and some of the cold-season precipitation falls as snow.

0255075100125150JanFebMarAprMayJunJulAugSepOctNovDec606270829378638312312112781
Rainfall (mm)Rain daysSnow days
Jan6080
Feb6281
Mar7080
Apr82100
May93100
Jun7890
Jul6380
Aug8380
Sep123100
Oct121100
Nov127110
Dec8191

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Mestre, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around May 18 and lasts for 4.3 months, ending around September 26. The clearest month is July, when the sky is clear, mostly clear, or partly cloudy 76% of the time on average.

The cloudier part of the year begins around September 27 and lasts for 5.4 months, ending around March 10. The cloudiest month is November, when it is overcast or mostly cloudy 58% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJul 17 · 77%Nov 21 · 41%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan4654
Feb5050
Mar5545
Apr5248
May5545
Jun6634
Jul7624
Aug7327
Sep6337
Oct5149
Nov4258
Dec4555

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 15, brings about 15 h 30 min of light; the shortest, around December 15, only 8 h 30 min — a swing of roughly 7 hours.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan8.97:544:47
Feb10.17:235:28
Mar11.66:336:09
Apr13.25:336:50
May14.74:477:28
Jun15.44:277:55
Jul15.14:427:51
Aug13.95:177:13
Sep12.35:566:15
Oct10.76:355:17
Nov9.37:194:34
Dec8.67:514:23

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Mestre averages about 12 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 8 and 18 days.

The sunnier stretch runs 4.2 months, from around May 23 to Sep 26. The sunniest month is July, with roughly 17 sunny days (bright).

The greyest month is November, down near 9 sunny days — about 50% fewer than the July peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightJul 2118 daysNov 98 days
Sunny daysSky
Jan11Mixed
Feb11Mixed
Mar12Mixed
Apr11Mixed
May12Mixed
Jun14Mixed
Jul17Bright
Aug16Bright
Sep14Mixed
Oct11Mixed
Nov8Mixed
Dec10Mixed

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Mestre, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.5 months, from around May 22 to October 4. The muggiest month is August, when the air feels humid, muggy or worse about 85% of the time.

The most comfortable stretch runs from around October 5 to May 21, and April is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecApr 1 · 100%Aug 8 · 10%oppressivemuggycomfortablehumiddrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan1000000
Feb1000000
Mar1000000
Apr918000
May42371830
Jun112134276
Jul412274215
Aug312284116
Sep242731162
Oct58281310
Nov937100
Dec1000000

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in Mestre is steady company: average speeds sit near 10 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeMar 29 · 11 km/hJan 7 · 9 km/h
Wind speed (km/h)Feels
Jan9calm
Feb10calm
Mar10calm
Apr10calm
May10calm
Jun9calm
Jul9calm
Aug9calm
Sep10calm
Oct10calm
Nov10calm
Dec10calm

Best time to visit Mestre

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Mestre throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early October, Mestre is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Mestre for general outdoor tourist activities is from late April to mid October, with a peak score in the last week of June.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJun 23 · 7.3

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan1.2poor
Feb1.8poor
Mar3.4poor
Apr4.9fair
May6.4good
Jun7.1good
Jul7.2good
Aug7.1good
Sep6.9good
Oct5.7good
Nov3.4poor
Dec1.7poor

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Mestre for hot-weather activities is from mid June to early September, with a peak score in the last week of July.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationJul 31 · 7.6

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Mestre, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around July (highs near 27°C), the essentials are light clothes, rain gear and sun protection. In the cold season around January (highs near 8°C), pack a warm layer and a heavy coat.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In July, Mestre sees daytime highs around 27°C and nights near 22°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

Sea temperature near Mestre

Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.

The sea at the nearest coast (about 16 km away) is warmest in August at about 26°C and coldest in February near 9°C.

It's comfortable for a long swim from May 28 to Oct 7 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr14Bracing
May18Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index (midday) in Mestre by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Mestre peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr7High
May7High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Average hourly UV index in Mestre

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in July the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan00
Feb00
Mar3.50
Apr6.52
May72.5
Jun84
Jul8.55
Aug73
Sep50
Oct00
Nov00
Dec00

Air quality in Mestre by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Mestre is worst in January — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1724 µg/m³Sep 1415 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb21Moderate
Mar23Moderate
Apr22Moderate
May18Moderate
Jun19Moderate
Jul17Moderate
Aug16Moderate
Sep14Moderate
Oct17Moderate
Nov17Moderate
Dec20Moderate
Almanac & agriculture

Growing season

Chance of a frost-free day

Mestre is mild enough that a frost-free day stays more likely than not even in midwinter.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
Frost-free chance (%)Frost nights
Jan950
Feb950
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec970

Growing degree days

Degree days (base 10°C)

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Mestre banks about 2,099 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around July.

05001,0001,5002,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan0
Feb0
Mar6
Apr97
May243
Jun356
Jul441
Aug440
Sep306
Oct176
Nov34
Dec0

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Mestre receives about 3.8 kWh/m² a day of solar energy on average — moderate — with a clear seasonal swing between 1.2 and 6.4 kWh/m².

The brighter stretch of the year lasts 6.0 months, from around Mar 19 to Sep 18. The brightest month is June, averaging about 6.3 kWh/m² (intense).

The dimmest month is December, down near 1.2 kWh/m² — roughly 80% less than the June peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJun 296.4 kWhDec 221.2 kWh
Solar energy (kWh/m²)Level
Jan1.5Dim
Feb2.3Moderate
Mar3.7Moderate
Apr4.9Bright
May5.8Bright
Jun6.3Intense
Jul6.3Intense
Aug5.5Bright
Sep4.0Bright
Oct2.5Moderate
Nov1.6Dim
Dec1.2Dim

Where is Mestre?

Mestre sits at 45.5°N, 12.2°E, 2 m above sea level, in Italy. The nearest listed city is Marghera, 5.0 km away.

Topography around Mestre

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

Within 3 km, the terrain around Mestre has only modest variations in elevation — a maximum elevation change of 28 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,426 m.

The land around Mestre is covered by artificial surfaces (57%) within 3 km, cropland (30%) and water (25%) within 16 km, and cropland (35%) and water (24%) within 80 km.

3 km
28 m
16 km
31 m
80 km
2,426 m
treesgrasslandcroplandartificial surfaceswaterwetland
Nearby: Marghera 5.0 km · Spinea-Orgnano 7.0 km · Mogliano Veneto 7.0 km · Venice 9.0 km · Mirano 11 km · Mira Taglio 11 km · Lido 13 km · Treviso 19 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 Mestre (45.4917°, 12.2454°, elevation 2 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).