Castelnau-le-Lez weather in January

In January, Castelnau-le-Lez sees average daytime highs of 11°C and overnight lows near 3°C, with 74 mm of precipitation across 8.3 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 41% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Castelnau-le-Lez's 7th-clearest and 5th-windiest month. For the whole year in context, see Castelnau-le-Lez's year-round climate.

Daytime high
11°
12th warmest
Overnight low
1st coldest
Precipitation
74 mm
8.3 wet days
Daylight
9 h 06 min
8:21 AM – 5:26 PM
Cloud cover
52%
7th clearest
Wind
11 km/h
5th windiest
Solar energy
1.75 kWh/m²
Travel score
2.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical January day in Castelnau-le-Lez reaches about 11°C in the afternoon and slips back to 3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1113
2113
3113
4113
5113
6113
7113
8113
9113
10113
11113
12113
13113
14113
15113
16113
17113
18113
19113
20113
21113
22113
23113
24113
25113
26113
27113
28113
29113
30113
31113

How January really feels in Castelnau-le-Lez

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Castelnau-le-Lez weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45347
55248
65248
75248
85149
95149
105149
115149
125149
135050
145149
155149
165248
175347
185347
195446
205446
215644
225644
235743
245743
255842
265941
276040
286040
296040
306139
316139

Chance of precipitation in January

Any precipitationSnow

Castelnau-le-Lez gets around 74 mm of rain and snow over 8.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 29% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1273
2273
3273
4283
5283
6283
7283
8283
9283
10283
11283
12293
13293
14293
15293
16283
17283
18283
19283
20273
21273
22273
23263
24263
25263
26263
27253
28253
29253
30253
31253

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 min at the start of January to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:24 AM to 8:10 AM, and sunset from 5:12 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.88:245:12
28.88:245:12
38.88:245:13
48.88:245:14
58.98:245:15
68.98:245:16
78.98:245:17
88.98:235:18
98.98:235:19
108.98:235:20
119.08:235:21
129.08:225:22
139.08:225:23
149.08:225:24
159.18:215:25
169.18:215:26
179.18:215:28
189.18:205:29
199.28:195:30
209.28:195:31
219.28:185:32
229.38:185:34
239.38:175:35
249.38:165:36
259.48:165:37
269.48:155:39
279.48:145:40
289.58:135:41
299.58:125:42
309.58:115:44
319.68:105:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.75 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 7.13 kWh/m² in July across the year — January's 1.75 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.8Dim
191.8Dim
201.8Dim
211.9Dim
221.9Dim
231.9Dim
242.0Dim
252.0Moderate
262.0Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.2Moderate
312.2Moderate
Planning a trip in January

Hazard calendar for Castelnau-le-Lez

In seasonPeak

In January, Castelnau-le-Lez sits inside 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 January a good time to visit Castelnau-le-Lez?

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

2.9
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

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

What to pack for Castelnau-le-Lez in January

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

In January, Castelnau-le-Lez sees daytime highs around 11°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Castelnau-le-Lez in January

The nearest coast averages about 12°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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
January 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).