Castelnau-le-Lez weather in April

In April, Castelnau-le-Lez sees average daytime highs of 19°C and overnight lows near 9°C, with 75 mm of rain across 9 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 40% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Castelnau-le-Lez's 8th-clearest and 1st-windiest month. For the whole year in context, see Castelnau-le-Lez's year-round climate.

Daytime high: 19°; 7th warmest
Overnight low: 9°; 6th coldest
Rainfall: 75 mm; 9 wet days
Daylight: 13 h 12 min; 6:09 AM – 7:21 PM
Cloud cover: 52%; 8th clearest
Wind: 12 km/h; 1st windiest
Solar energy: 5.38 kWh/m²
Travel score: 6.3; out of 10

← March Castelnau-le-Lez year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical April day in Castelnau-le-Lez reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	17	17	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20
Avg low (°C)	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	10	10	10	10	10	10

	Avg high (°C)	Avg low (°C)
1	17	7
2	17	7
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	19	8
15	19	8
16	19	8
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	20	10
26	20	10
27	20	10
28	20	10
29	20	10
30	20	10

How April really feels in Castelnau-le-Lez

Once humidity and wind are folded in, April 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Castelnau-le-Lez weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	11° / 3°	74	8.3	0.9	9.1	2.9
Feb	13° / 3°	45	6.1	0.5	10.2	3.8
Mar	16° / 6°	56	6.5	0.1	11.6	5.6
Apr	19° / 9°	75	9	0	13.2	6.3
May	23° / 12°	61	8.2	0	14.5	7.1
Jun	27° / 16°	37	6	0	15.2	7.1
Jul	30° / 18°	24	3.6	0	14.9	5.9
Aug	30° / 18°	41	5.2	0	13.8	6.0
Sep	25° / 15°	111	6.9	0	12.3	7.5
Oct	20° / 11°	136	11	0	10.8	6.3
Nov	15° / 7°	120	10.5	0	9.5	4.5
Dec	12° / 4°	72	8.6	0.3	8.8	3.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	58	58	58	59	59	59	59	59	59	60	60	59	59	59	58	57	56	56	55	55	55	54	54	53	53	53	53	52	52	52
Cloudier (%)	42	42	42	41	41	41	41	41	41	40	40	41	41	41	42	43	44	44	45	45	45	46	46	47	47	47	47	48	48	48

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	59	41
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	60	40
11	60	40
12	59	41
13	59	41
14	59	41
15	58	42
16	57	43
17	56	44
18	56	44
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	52	48
30	52	48

Chance of precipitation in April

Any precipitation

Castelnau-le-Lez gets around 75 mm of rain over 9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	25	25	26	26	26	27	27	27	27	27	27	27	27	28	28	28	29	29	30	30	31	31	32	32	33	33	33	33	33	33

	Rain chance (%)
1	25
2	25
3	26
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	29
18	29
19	30
20	30
21	31
22	31
23	32
24	32
25	33
26	33
27	33
28	33
29	33
30	33

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	99	99	99	99	98	98	98	97	97	97	96	96	96	95	95	95	94	94	93	92
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	2	3	3	3	4	4	4	5	5	5	6	6	7	8

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	99	1
12	99	1
13	99	1
14	99	1
15	98	2
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	95	5
25	95	5
26	95	5
27	94	6
28	94	6
29	93	7
30	92	8

Wind in April

Winds average 12 km/h in April, the windiest month of the year.

Across April, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	12	calm
2	12	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	12	calm
8	12	calm
9	12	calm
10	12	calm
11	12	calm
12	12	calm
13	12	calm
14	12	calm
15	12	calm
16	12	calm
17	12	calm
18	12	calm
19	12	calm
20	12	calm
21	12	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:36 AM to 5:46 AM, and sunset from 7:02 PM to 7:38 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.5	12.5	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.2	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.6	13.6	13.7	13.7	13.8	13.8	13.9
Sunrise (AM)	6:36	6:34	6:32	6:30	6:28	6:26	6:25	6:23	6:21	6:19	6:17	6:16	6:14	6:12	6:10	6:09	6:07	6:05	6:03	6:02	6:00	5:59	5:57	5:55	5:54	5:52	5:51	5:49	5:47	5:46
Sunset (PM)	7:02	7:04	7:05	7:06	7:07	7:09	7:10	7:11	7:12	7:13	7:15	7:16	7:17	7:18	7:19	7:21	7:22	7:23	7:24	7:25	7:27	7:28	7:29	7:30	7:31	7:33	7:34	7:35	7:36	7:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:36	7:02
2	12.5	6:34	7:04
3	12.5	6:32	7:05
4	12.6	6:30	7:06
5	12.7	6:28	7:07
6	12.7	6:26	7:09
7	12.8	6:25	7:10
8	12.8	6:23	7:11
9	12.9	6:21	7:12
10	12.9	6:19	7:13
11	13.0	6:17	7:15
12	13.0	6:16	7:16
13	13.1	6:14	7:17
14	13.1	6:12	7:18
15	13.2	6:10	7:19
16	13.2	6:09	7:21
17	13.2	6:07	7:22
18	13.3	6:05	7:23
19	13.3	6:03	7:24
20	13.4	6:02	7:25
21	13.4	6:00	7:27
22	13.5	5:59	7:28
23	13.5	5:57	7:29
24	13.6	5:55	7:30
25	13.6	5:54	7:31
26	13.7	5:52	7:33
27	13.7	5:51	7:34
28	13.8	5:49	7:35
29	13.8	5:47	7:36
30	13.9	5:46	7:38

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.38 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 — April's 5.38 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.9	4.9	5.0	5.0	5.0	5.1	5.2	5.2	5.2	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.9	Bright
2	4.9	Bright
3	5.0	Bright
4	5.0	Bright
5	5.0	Bright
6	5.1	Bright
7	5.2	Bright
8	5.2	Bright
9	5.2	Bright
10	5.3	Bright
11	5.3	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.5	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright

Planning a trip in April

Hazard calendar for Castelnau-le-Lez

In seasonPeak

In April, 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 April a good time to visit Castelnau-le-Lez?

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

6.3

Sightseeing

4th-best month of the year

2.5

Beach & pool

7th-best month of the year

April is a reasonable time to visit Castelnau-le-Lez for sightseeing.

What to pack for Castelnau-le-Lez in April

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

In April, Castelnau-le-Lez sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Castelnau-le-Lez in April

The nearest coast averages about 14°C in April — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	12	12	12	14	16	19	21	22	20	18	16	14
Comfort	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Refreshing	Refreshing	Cool	Cool	Bracing

	Sea temperature (°C)	Comfort
Jan	12	Bracing
Feb	12	Bracing
Mar	12	Bracing
Apr	14	Bracing
May	16	Cool
Jun	19	Cool
Jul	21	Refreshing
Aug	22	Refreshing
Sep	20	Refreshing
Oct	18	Cool
Nov	16	Cool
Dec	14	Bracing

UV index in Castelnau-le-Lez in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	3	4	6	6	7	9	7	5	3	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	High	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	3	Moderate
Mar	4	Moderate
Apr	6	High
May	6	High
Jun	7	Very high
Jul	9	Very high
Aug	7	High
Sep	5	High
Oct	3	Moderate
Nov	2	Low
Dec	1	Low

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

artificial surfaces 44%

16 km

328 m

trees 38%

80 km

1,562 m

trees 41%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← March Castelnau-le-Lez year-round climate May →Best places to visit in April

April 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

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).

	Avg high (°C)	Avg low (°C)
1	17	7
2	17	7
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	19	8
15	19	8
16	19	8
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	20	10
26	20	10
27	20	10
28	20	10
29	20	10
30	20	10

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	59	41
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	60	40
11	60	40
12	59	41
13	59	41
14	59	41
15	58	42
16	57	43
17	56	44
18	56	44
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	26
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	29
18	29
19	30
20	30
21	31
22	31
23	32
24	32
25	33
26	33
27	33
28	33
29	33
30	33

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	99	1
12	99	1
13	99	1
14	99	1
15	98	2
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	95	5
25	95	5
26	95	5
27	94	6
28	94	6
29	93	7
30	92	8

	Avg high (°C)	Avg low (°C)
1	17	7
2	17	7
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	19	8
15	19	8
16	19	8
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	20	10
26	20	10
27	20	10
28	20	10
29	20	10
30	20	10

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	59	41
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	60	40
11	60	40
12	59	41
13	59	41
14	59	41
15	58	42
16	57	43
17	56	44
18	56	44
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	26
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	29
18	29
19	30
20	30
21	31
22	31
23	32
24	32
25	33
26	33
27	33
28	33
29	33
30	33

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	99	1
12	99	1
13	99	1
14	99	1
15	98	2
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	95	5
25	95	5
26	95	5
27	94	6
28	94	6
29	93	7
30	92	8

	Avg high (°C)	Avg low (°C)
1	17	7
2	17	7
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	19	8
15	19	8
16	19	8
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	20	10
26	20	10
27	20	10
28	20	10
29	20	10
30	20	10

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	59	41
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	60	40
11	60	40
12	59	41
13	59	41
14	59	41
15	58	42
16	57	43
17	56	44
18	56	44
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	52	48
30	52	48

	Rain chance (%)
1	25
2	25
3	26
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	28
15	28
16	28
17	29
18	29
19	30
20	30
21	31
22	31
23	32
24	32
25	33
26	33
27	33
28	33
29	33
30	33

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	99	1
12	99	1
13	99	1
14	99	1
15	98	2
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	96	4
23	96	4
24	95	5
25	95	5
26	95	5
27	94	6
28	94	6
29	93	7
30	92	8