Challans weather in June

In June, Challans sees average daytime highs of 20°C and overnight lows near 15°C, with 39 mm of rain across 8.3 wet days and about 15.6 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 29% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of June to 15 h 36 min by month's end. Set against the rest of the year, June is Challans's 4th-clearest and 9th-windiest month. For the whole year in context, see Challans's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
39 mm
8.3 wet days
Daylight
15 h 36 min
5:18 AM – 8:57 PM
Cloud cover
59%
4th clearest
Wind
17 km/h
9th windiest
Solar energy
6.28 kWh/m²
Travel score
6.5
out of 10

Challans is human settlement in France.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical June day in Challans reaches about 20°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
11913
21913
31914
41914
52014
62014
72014
82014
92014
102014
112014
122014
132014
142014
152015
162015
172115
182115
192115
202115
212115
222115
232115
242115
252115
262115
272115
282116
292116
302116

Challans weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 7111.78.81.9
Feb10° / 539.6102.1
Mar12° / 5010.211.63.2
Apr14° / 4710.113.34.3
May18° / 12°529.914.85.6
Jun20° / 15°398.315.66.5
Jul22° / 16°378.115.37.2
Aug22° / 16°437.6147.3
Sep20° / 14°528.112.46.7
Oct17° / 12°7612.110.65.0
Nov13° / 8112.69.23.3
Dec10° / 8112.48.42.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54456
64456
74456
84456
94456
104456
114456
124555
134555
144555
154654
164654
174654
184753
194753
204753
214852
224852
234852
244852
254951
265050
275050
285050
295149
305149

Chance of precipitation in June

Any precipitation

Challans gets around 39 mm of rain over 8.3 wet days in June. 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.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
331
432
532
632
733
833
933
1033
1132
1232
1331
1431
1530
1629
1728
1827
1926
2025
2124
2224
2324
2424
2525
2625
2726
2827
2927
3028

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1573490
25634100
35634100
45435110
55435110
65335120
75235121
85036131
95036131
104936141
114837141
124737151
134638151
144538152
154439162
164239162
174140162
184040173
193941173
203741183
213642194
223443194
233343204
243144215
253044225
262845225
272746235
282546235
292447245
302348245

Wind in June

Winds average 17 km/h in June.

Across June, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 24 min at the start of June to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:24 AM to 5:22 AM, and sunset from 8:46 PM to 9:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.45:248:46
215.45:238:47
315.45:238:48
415.55:228:49
515.55:218:50
615.55:218:51
715.55:218:52
815.55:208:52
915.65:208:53
1015.65:198:54
1115.65:198:54
1215.65:198:55
1315.65:198:56
1415.65:198:56
1515.65:188:57
1615.65:188:57
1715.75:188:58
1815.75:188:58
1915.75:188:58
2015.75:198:59
2115.75:198:59
2215.75:198:59
2315.75:198:59
2415.75:199:00
2515.75:209:00
2615.75:209:00
2715.75:209:00
2815.75:219:00
2915.65:219:00
3015.65:229:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.04 kWh/m² to a high of 6.28 kWh/m² in June across the year — June's 6.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Is June a good time to visit Challans?

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

6.5
Sightseeing
4th-best month of the year
3.7
Beach & pool
4th-best month of the year

June is a reasonable time to visit Challans for sightseeing.

What to pack for Challans in June

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

In June, Challans sees daytime highs around 20°C and nights near 15°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Challans in June

The nearest coast averages about 17°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in August at about 19°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun17Cool
Jul18Cool
Aug19Cool
Sep18Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in Challans in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Challans peaks around August 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Challans?

Challans sits at 46.8°N, 1.9°W, 13 m above sea level, in France. The nearest listed city is Les Sables-d'Olonne, 39 km away.

Topography around Challans

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

Within 3 km, the terrain around Challans has only modest variations in elevation — a maximum elevation change of 44 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, significant variations in elevation — a maximum elevation change of 340 m.

The land around Challans is covered by grassland (37%), artificial surfaces (30%) and trees (26%) within 3 km, grassland (54%) and cropland (22%) within 16 km, and water (36%), grassland (26%) and cropland (22%) within 80 km.

3 km
44 m
16 km
84 m
80 km
340 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Les Sables-d'Olonne 39 km · La Roche-sur-Yon 40 km · Bouguenais 42 km · Couëron 43 km · Saint-Herblain 44 km · Rezé 45 km · Vertou 47 km · Nantes 48 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 Challans (46.8458°, -1.8794°, elevation 13 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).