Voiron weather in June

In June, Voiron sees average daytime highs of 23°C and overnight lows near 13°C, with 108 mm of rain across 13.2 wet days and about 15.4 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 33% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of June to 15 h 24 min by month's end. Set against the rest of the year, June is Voiron's 3rd-clearest and 4th-windiest month. For the whole year in context, see Voiron's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
108 mm
13.2 wet days
Daylight
15 h 24 min
4:54 AM – 8:21 PM
Cloud cover
55%
3rd clearest
Wind
6 km/h
4th windiest
Solar energy
6.05 kWh/m²
Travel score
6.3
out of 10
Air quality
Excellent
PM10 15 µg/m³ · 2019

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 21°C in the first days to 24°C by the end.

A typical June day in Voiron reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62112
72112
82112
92212
102212
112212
122212
132212
142212
152213
162313
172313
182313
192313
202313
212313
222413
232413
242413
252414
262414
272414
282414
292414
302414

How June really feels in Voiron

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.

Voiron weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°10512.86.48.90.3
Feb / -1°9211.35.710.10.9
Mar12° / 9612.43.711.62.9
Apr15° / 11213.62.113.24.1
May19° / 13315.30.314.65.3
Jun23° / 13°10813.2015.46.3
Jul25° / 15°9710.9015.17.0
Aug25° / 14°9410.7013.97.0
Sep20° / 11°10310.6012.36.3
Oct16° / 11111.50.310.74.7
Nov10° / 13213.13.39.32.0
Dec / -1°11613.168.60.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 22% of June, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54555
64555
74555
84654
94753
104753
114951
125050
135050
145149
155347
165446
175545
185644
195941
206040
216139
226337
236436
246436
256634
266634
276634
286733
296733
306733

Chance of precipitation in June

Any precipitation

Voiron gets around 108 mm of rain over 13.2 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 44% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
251
352
452
552
652
752
852
951
1050
1149
1248
1347
1445
1544
1642
1741
1840
1938
2037
2137
2236
2336
2436
2536
2636
2736
2837
2937
3037

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1732520
2722620
3702730
4702730
5682840
6662950
7662950
8643060
9633070
10623170
11613180
12593290
135832100
145832100
155732110
165632120
175433130
185233141
195233141
205133151
215033161
224933171
234834171
244734181
254535191
264435191
274336191
284237201
294138201
304138201

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 12 min at the start of June to 15 h 24 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 4:59 AM to 4:58 AM, and sunset from 8:11 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:598:11
215.24:598:12
315.24:588:13
415.34:588:14
515.34:578:14
615.34:578:15
715.34:568:16
815.34:568:17
915.44:568:17
1015.44:558:18
1115.44:558:19
1215.44:558:19
1315.44:558:20
1415.44:558:20
1515.44:558:21
1615.44:548:21
1715.54:548:22
1815.54:548:22
1915.54:558:22
2015.54:558:23
2115.54:558:23
2215.54:558:23
2315.54:558:24
2415.54:558:24
2515.54:568:24
2615.54:568:24
2715.54:568:24
2815.54:578:24
2915.44:578:24
3015.44:588:24

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.05 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.23 kWh/m² in July across the year — June's 6.05 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in June

Is June a good time to visit Voiron?

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

6.3
Sightseeing
3rd-best month of the year
4.7
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Voiron for sightseeing.

What to pack for Voiron in June

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

In June, Voiron sees daytime highs around 23°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 13 days see rain.

sun protectionlight clothesrain gear

UV index in Voiron 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 Voiron peaks around July 16 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 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Voiron 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 Voiron is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2117 µg/m³Aug 1312 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May14Moderate
Jun16Moderate
Jul12Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Voiron?

Voiron sits at 45.4°N, 5.6°E, 301 m above sea level, in France. The nearest listed city is Saint-Égrève, 16 km away.

Topography around Voiron

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

Within 3 km, the terrain around Voiron has significant variations in elevation — a maximum elevation change of 580 m around an average of 383 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,724 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,838 m.

The land around Voiron is covered by trees (47%), grassland (26%) and artificial surfaces (20%) within 3 km, trees (56%) and grassland (25%) within 16 km, and trees (52%) and grassland (26%) within 80 km.

3 km
580 m
16 km
1,724 m
80 km
3,838 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Saint-Égrève 16 km · Fontaine 21 km · Meylan 23 km · Grenoble 23 km · Saint-Martin-d'Hères 25 km · Échirolles 26 km · Chambéry 34 km · Villefontaine 44 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 Voiron (45.3647°, 5.5856°, elevation 301 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).