Vernon weather in June

In June, Vernon sees average daytime highs of 21°C and overnight lows near 12°C, with 58 mm of rain across 10.2 wet days and about 15.9 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 18% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 42 min at the start of June to 16 hours by month's end. Set against the rest of the year, June is Vernon's 4th-clearest and 10th-windiest month. For the whole year in context, see Vernon's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
58 mm
10.2 wet days
Daylight
16 hours
4:55 AM – 8:54 PM
Cloud cover
67%
4th clearest
Wind
12 km/h
10th windiest
Solar energy
5.54 kWh/m²
Travel score
6.3
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical June day in Vernon reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112111
122112
132112
142112
152112
162112
172112
182112
192212
202212
212212
222212
232212
242213
252213
262213
272213
282313
292313
302313

How June really feels in Vernon

Once humidity and wind are folded in, June 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Vernon weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5311.10.98.50.8
Feb / 46101.19.81.2
Mar11° / 5110.50.411.62.8
Apr15° / 5111013.44.2
May18° / 6211.50155.4
Jun21° / 12°5810.2015.96.3
Jul24° / 14°509.1015.67.0
Aug24° / 14°569.2014.26.9
Sep20° / 11°448.5012.46.4
Oct16° / 6210.9010.54.6
Nov10° / 5911.20.28.92.3
Dec / 6812.40.98.11.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23169
33268
43268
53268
63169
73169
83169
93169
103268
113268
123268
133268
143367
153565
163565
173565
183466
193565
203565
213565
223664
233664
243763
253763
263763
273763
283763
293664
303664

Chance of precipitation in June

Any precipitation

Vernon gets around 58 mm of rain over 10.2 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 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
236
336
436
537
637
738
838
938
1038
1137
1237
1336
1436
1535
1634
1733
1832
1931
2031
2130
2230
2330
2430
2531
2631
2732
2832
2932
3033

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1722170
2712270
3712270
4702280
5692380
6692380
7692380
8692380
9692380
10692380
11682480
12682480
13682480
14682480
15672481
16662581
17662581
18662581
19652681
20652681
21632782
22612892
23602992
245830102
255731102
265632102
275433112
285334112
295235112
305235112

Wind in June

Winds average 12 km/h in June.

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

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 42 min at the start of June to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 5:01 AM to 4:58 AM, and sunset from 8:42 PM to 8:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.75:018:42
215.75:018:43
315.75:008:44
415.84:598:45
515.84:598:46
615.84:588:47
715.84:588:48
815.94:578:48
915.94:578:49
1015.94:568:50
1115.94:568:51
1215.94:568:51
1315.94:568:52
1416.04:558:53
1516.04:558:53
1616.04:558:54
1716.04:558:54
1816.04:558:54
1916.04:558:55
2016.04:558:55
2116.04:558:55
2216.04:568:56
2316.04:568:56
2416.04:568:56
2516.04:568:56
2616.04:578:56
2716.04:578:56
2816.04:578:56
2916.04:588:56
3016.04:588:56

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.54 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.78 kWh/m² to a high of 5.54 kWh/m² in June across the year — June's 5.54 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in June

Is June a good time to visit Vernon?

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

6.3
Sightseeing
4th-best month of the year
3.9
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Vernon for sightseeing.

What to pack for Vernon in June

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

In June, Vernon sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Vernon 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 Vernon peaks around August 11 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Vernon in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Vernon is worst in April — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1018 µg/m³Jul 2012 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Vernon?

Vernon sits at 49.1°N, 1.5°E, 29 m above sea level, in France. The nearest listed city is Mantes-la-Jolie, 22 km away.

Topography around Vernon

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

Within 3 km, the terrain around Vernon has only modest variations in elevation — a maximum elevation change of 161 m around an average of 80 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 324 m.

The land around Vernon is covered by trees (53%) within 3 km, cropland (45%) and trees (36%) within 16 km, and cropland (50%) and trees (30%) within 80 km.

3 km
161 m
16 km
177 m
80 km
324 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Mantes-la-Jolie 22 km · Mantes-la-Ville 22 km · Limay 23 km · Évreux 24 km · Louviers 26 km · Les Mureaux 34 km · Verneuil-sur-Seine 39 km · Elbeuf 40 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 Vernon (49.0929°, 1.4633°, elevation 29 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. 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).