Biel/Bienne weather in October

In October, Biel/Bienne sees average daytime highs of 13°C and overnight lows near 6°C, with 109 mm of precipitation across 13.6 wet days and about 10.6 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 11°C by the end. The sky is clear or mostly clear about 18% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 48 min by month's end. Set against the rest of the year, October is Biel/Bienne's 9th-clearest and 9th-windiest month. For the whole year in context, see Biel/Bienne's year-round climate.

Daytime high
13°
7th warmest
Overnight low
7th coldest
Precipitation
109 mm
13.6 wet days
Daylight
10 h 36 min
6:58 AM – 5:34 PM
Cloud cover
70%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
2.32 kWh/m²
Travel score
3.5
out of 10

Biel/Bienne is Settlement within the Swiss municipality of the same name.

Air quality
Good
PM2.5 9.1 µg/m³ · 2020

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 11°C by the end.

A typical October day in Biel/Bienne reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 19°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5158
6158
7158
8157
9157
10147
11147
12147
13147
14147
15146
16136
17136
18136
19136
20136
21135
22125
23125
24125
25125
26125
27125
28125
29115
30114
31114

How October really feels in Biel/Bienne

Once humidity and wind are folded in, October 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

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

Biel/Bienne weather by month

How October compares with the rest of the year at a glance. October is the 7th-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°8713.36.98.70.0
Feb / -2°78126.7100.2
Mar10° / 93144.811.61.9
Apr14° / 10515.32.313.33.4
May18° / 15117.80.214.84.6
Jun21° / 12°14617.5015.65.3
Jul23° / 14°15316.5015.35.9
Aug23° / 13°15715.90145.9
Sep18° / 10°11413.9012.45.3
Oct13° / 10913.60.510.63.5
Nov / 10113.33.59.11.0
Dec / -1°10614.56.68.40.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
32872
42872
52872
62971
72971
82971
92872
102971
112971
123070
133169
143169
153169
163169
173367
183367
193367
203367
213367
223466
233466
243466
253466
263466
273466
283466
293367
303367
313367

Chance of precipitation in October

Any precipitationSnow

Biel/Bienne gets around 109 mm of rain and snow over 13.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 48% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1480
2480
3480
4480
5480
6470
7470
8460
9460
10450
11440
12441
13431
14421
15421
16411
17411
18412
19412
20412
21412
22412
23413
24413
25423
26423
27423
28423
29433
30433
31433

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1928
2937
3937
4946
5946
6955
7955
8955
9964
10964
11973
12973
13982
14982
15982
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 7 km/h in October.

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

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 6:36 AM to 7:20 AM, and sunset from 6:04 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:366:04
211.46:376:02
311.36:396:00
411.36:405:58
511.26:425:56
611.26:435:54
711.16:455:52
811.16:465:50
911.06:475:48
1011.06:495:46
1110.96:505:44
1210.86:525:42
1310.86:535:40
1410.76:555:38
1510.76:565:36
1610.66:585:34
1710.66:595:33
1810.57:015:31
1910.47:025:29
2010.47:045:27
2110.37:055:25
2210.37:075:24
2310.27:085:22
2410.27:105:20
2510.17:115:19
2610.17:135:17
2710.07:145:15
2810.07:165:14
299.97:175:12
309.97:195:11
319.87:205:09

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.32 kWh/m².

For context, solar energy here swings from a low near 1.02 kWh/m² to a high of 5.63 kWh/m² in July across the year — October's 2.32 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.0Moderate
272.0Dim
281.9Dim
291.9Dim
301.9Dim
311.8Dim
Planning a trip in October

Is October a good time to visit Biel/Bienne?

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

3.5
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Biel/Bienne.

What to pack for Biel/Bienne in October

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

In October, Biel/Bienne sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

UV index in Biel/Bienne in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Biel/Bienne peaks around July 15 at about 8 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Biel/Bienne?

Biel/Bienne sits at 47.1°N, 7.2°E, 434 m above sea level, in Switzerland. The nearest listed city is Grenchen, 13 km away.

SolothurnBernKönizNeuchâtelBurgdorfLa Chaux-de-FondsFribourg

Topography around Biel/Bienne

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

Within 3 km, the terrain around Biel/Bienne has significant variations in elevation — a maximum elevation change of 562 m around an average of 541 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,796 m.

The land around Biel/Bienne is covered by trees (50%) and artificial surfaces (24%) within 3 km, trees (44%) and grassland (26%) within 16 km, and trees (47%) and grassland (33%) within 80 km.

3 km
562 m
16 km
1,170 m
80 km
2,796 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Grenchen 13 km · Solothurn 23 km · Bern 26 km · Köniz 27 km · Neuchâtel 29 km · Burgdorf 30 km · La Chaux-de-Fonds 32 km · Fribourg 38 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 Biel/Bienne (47.1371°, 7.2461°, elevation 434 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).