Castelnau-le-Lez in Winter

In winter (December, January and February), Castelnau-le-Lez sees average daytime highs around 12°C and overnight lows near 4°C, with 190 mm of precipitation over about 23 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.

Across winter, daytime highs hold fairly steady around 12°C. The sky is clear or mostly clear about 43% of the time across winter, and the air most often feels dry.

Winter is Castelnau-le-Lez's weakest season of the year to visit on our travel score. For the whole year in context, see Castelnau-le-Lez's year-round climate.

Avg daytime high
12°C
coldest season of the year
Avg overnight low
4°C
Precipitation
190 mm
23 wet days
Avg wind
11 km/h
Travel score
3.3
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Castelnau-le-Lez in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 12°C.

A typical winter day in Castelnau-le-Lez reaches about 12°C and drops to 4°C overnight. The warmest of the three months is February, the coolest January.

-5°10°15°20°DecJanFeb

How winter really feels in Castelnau-le-Lez

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 20 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
20
wind chill below the day's low

The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.

Castelnau-le-Lez weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 748.30.99.12.9
Feb13° / 456.10.510.23.8
Mar16° / 566.50.111.65.6
Apr19° / 759013.26.3
May23° / 12°618.2014.57.1
Jun27° / 16°376015.27.1
Jul30° / 18°243.6014.95.9
Aug30° / 18°415.2013.86.0
Sep25° / 15°1116.9012.37.5
Oct20° / 11°13611010.86.3
Nov15° / 12010.509.54.5
Dec12° / 728.60.38.83.2

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Castelnau-le-Lez gets around 190 mm of rain and snow over 23 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 11 km/h across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 hours in early December to 10 h 48 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.0 kWh/m².

01234DecJanFeb
Planning a trip in winter

Hazard calendar for Castelnau-le-Lez

In seasonPeak

In winter, Castelnau-le-Lez overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Castelnau-le-Lez's rainy season runs September–January, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit Castelnau-le-Lez?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.3
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Castelnau-le-Lez.

What to pack for Castelnau-le-Lez in Winter

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

In winter, Castelnau-le-Lez sees daytime highs around 12°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 23 days see rain.

a warm layerrain gear

Sea temperature near Castelnau-le-Lez in Winter

The nearest coast averages about 13°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 26 to Sep 17 — about 2.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep20Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Castelnau-le-Lez in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Castelnau-le-Lez peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Castelnau-le-Lez?

Castelnau-le-Lez sits at 43.6°N, 3.9°E, 59 m above sea level, in France. The nearest listed city is Montpellier, 3.0 km away.

Topography around Castelnau-le-Lez

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castelnau-le-Lez.

Within 3 km, the terrain around Castelnau-le-Lez has only modest variations in elevation — a maximum elevation change of 111 m around an average of 49 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 328 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,562 m.

The land around Castelnau-le-Lez is covered by artificial surfaces (44%) and trees (41%) within 3 km, trees (38%) within 16 km, and trees (41%) and water (26%) within 80 km.

3 km
111 m
16 km
328 m
80 km
1,562 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Winter weather nearby: Montpellier 3.0 km · Lattes 8.0 km · Mauguio 9.0 km · Lunel 19 km · Frontignan 24 km · Sète 31 km · Nîmes 43 km · Agde 50 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Castelnau-le-Lez (43.636°, 3.9014°, elevation 59 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.