Thun weather in July

In July, Thun sees average daytime highs of 21°C and overnight lows near 11°C, with 193 mm of precipitation across 16.8 wet days and about 15.3 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 48 min by month's end. Set against the rest of the year, July is Thun's 1st-clearest and 11th-windiest month. For the whole year in context, see Thun's year-round climate.

Daytime high
21°
1st warmest
Overnight low
11°
12th coldest
Precipitation
193 mm
16.8 wet days
Daylight
15 h 18 min
4:56 AM – 8:14 PM
Cloud cover
53%
1st clearest
Wind
5 km/h
11th windiest
Solar energy
5.73 kWh/m²
Travel score
5.6
out of 10
Air quality
Excellent
PM10 12.4 µg/m³ · 2020

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Thun reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122111
132111
142111
152111
162111
172111
182111
192111
202111
212111
222112
232112
242112
252112
262112
272112
282112
292112
302112
312112

How July really feels in Thun

Once humidity and wind are folded in, July 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

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

Thun weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°10712.911.48.80.0
Feb / -5°10011.710.4100.0
Mar / -1°10814.19.511.61.0
Apr11° / 12014.86.713.32.4
May15° / 18318.32.614.83.8
Jun19° / 10°182180.415.64.9
Jul21° / 11°19316.80.215.35.6
Aug20° / 11°180160.1145.6
Sep16° / 13713.7112.44.8
Oct12° / 11212.42.810.63.1
Nov / -1°11713.27.99.20.6
Dec / -4°12213.711.48.40.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45347
55248
65248
75248
85248
95248
105347
115347
125347
135446
145446
155545
165545
175545
185644
195743
205743
215743
225743
235842
245842
255842
265842
275842
285743
295743
305743
315743

Chance of precipitation in July

Any precipitation

Thun gets around 193 mm of rain and snow over 16.8 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 54% and peaks near 55% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
155
255
355
455
555
655
755
855
955
1055
1155
1254
1354
1454
1553
1653
1753
1853
1953
2053
2153
2253
2353
2453
2553
2654
2754
2854
2954
3054
3154

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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%151015202531
Dry (%)Comfortable (%)Humid (%)
170291
270291
370291
470291
571281
671281
771281
872271
972271
1072271
1171281
1271281
1370291
1469301
1568311
1667321
1766331
1864351
1963361
2062371
2161381
2259401
2358411
2457421
2557421
2656431
2755441
2855441
2954451
3054451
3153452

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:44 AM to 5:12 AM, and sunset from 8:21 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:448:21
215.64:458:21
315.64:468:21
415.64:468:21
515.64:478:20
615.54:488:20
715.54:488:20
815.54:498:19
915.54:508:19
1015.54:518:18
1115.44:518:18
1215.44:528:17
1315.44:538:17
1415.44:548:16
1515.34:558:15
1615.34:568:14
1715.34:578:14
1815.34:588:13
1915.24:598:12
2015.25:008:11
2115.25:018:10
2215.15:028:09
2315.15:038:08
2415.05:048:07
2515.05:058:06
2615.05:068:05
2714.95:088:04
2814.95:098:03
2914.95:108:01
3014.85:118:00
3114.85:127:59

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.73 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.17 kWh/m² to a high of 5.73 kWh/m² in July across the year — July's 5.73 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Thun?

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

5.6
Sightseeing
1st-best month of the year
3.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Thun for sightseeing.

What to pack for Thun in July

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

In July, Thun sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 17 days see rain.

rain gearsun protection

UV index in Thun in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thun peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul9Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Thun?

Thun sits at 46.8°N, 7.6°E, 560 m above sea level, in Switzerland. The nearest listed city is Steffisburg, 3.0 km away.

InterlakenKönizBernLauterbrunnenBurgdorfGrindelwaldFribourg

Topography around Thun

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

Within 3 km, the terrain around Thun has significant variations in elevation — a maximum elevation change of 456 m around an average of 603 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,858 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,156 m.

The land around Thun is covered by trees (39%) and artificial surfaces (23%) within 3 km, trees (43%) and grassland (43%) within 16 km, and trees (39%) and grassland (36%) within 80 km.

3 km
456 m
16 km
1,858 m
80 km
4,156 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
July weather nearby: Steffisburg 3.0 km · Interlaken 20 km · Köniz 25 km · Bern 26 km · Lauterbrunnen 28 km · Burgdorf 34 km · Grindelwald 35 km · Fribourg 36 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

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 Thun (46.7512°, 7.6217°, elevation 560 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).