Bulle weather in December

In December, Bulle sees average daytime highs of 2°C and overnight lows near -4°C, with 140 mm of precipitation across 13.9 wet days and about 8.4 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to 2°C by the end. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of December to 8 h 24 min by month's end. Set against the rest of the year, December is Bulle's 10th-clearest and 1st-windiest month. For the whole year in context, see Bulle's year-round climate.

Daytime high
11th warmest
Overnight low
-4°
3rd coldest
Precipitation
140 mm
13.9 wet days
Daylight
8 h 24 min
8:16 AM – 4:39 PM
Cloud cover
64%
10th clearest
Wind
6 km/h
1st windiest
Solar energy
1.16 kWh/m²
Travel score
0.0
out of 10
Air quality
Good
PM2.5 9 µg/m³ · 2020

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 3°C in the first days to 2°C by the end.

A typical December day in Bulle reaches about 2°C in the afternoon and slips back to -4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 7°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-3
24-3
33-3
43-3
53-3
63-3
73-3
83-4
93-4
103-4
113-4
122-4
132-4
142-4
152-4
162-4
172-4
182-4
192-4
202-4
212-4
222-4
232-4
242-4
252-4
262-5
272-5
282-5
292-5
302-5
312-5

How December really feels in Bulle

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Bulle weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°12313.311.38.80.0
Feb / -4°11111.810.5100.0
Mar / -1°11413.69.111.60.8
Apr11° / 11715.16.513.32.2
May15° / 16518.21.614.83.7
Jun19° / 10°16218.10.215.64.9
Jul21° / 12°16816.8015.35.6
Aug21° / 12°163160145.7
Sep17° / 12613.60.412.44.9
Oct12° / 11613.32.510.63.1
Nov / -0°12713.57.59.20.6
Dec / -4°14013.910.88.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23664
33763
43763
53763
63862
73862
83862
93862
103862
113862
123862
133862
143763
153763
163664
173664
183664
193664
203664
213664
223664
233664
243664
253664
263763
273763
283763
293862
303763
313862

Chance of precipitation in December

Any precipitationSnow

Bulle gets around 140 mm of rain and snow over 13.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 45% and peaks near 47% on the wettest days, and about 11 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14231
24232
34332
44333
54433
64433
74434
84434
94434
104434
114435
124535
134535
144536
154536
164536
174535
184535
194536
204536
214636
224636
234636
244737
254737
264737
274737
284737
294737
304637
314637

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 km/h in December, the windiest month of the year.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 36 min at the start of December to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:02 AM to 8:23 AM, and sunset from 4:41 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:024:41
28.68:034:40
38.68:054:40
48.68:064:40
58.58:074:39
68.58:084:39
78.58:094:39
88.58:104:39
98.58:114:39
108.58:124:39
118.48:134:39
128.48:134:39
138.48:144:39
148.48:154:39
158.48:164:39
168.48:164:39
178.48:174:40
188.48:184:40
198.48:184:40
208.48:194:41
218.48:194:41
228.48:204:42
238.48:204:42
248.48:214:43
258.48:214:43
268.48:224:44
278.48:224:44
288.48:224:45
298.48:224:46
308.48:224:46
318.48:234:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 5.81 kWh/m² in June across the year — December's 1.16 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.1Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.1Dim
221.1Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.2Dim
281.2Dim
291.2Dim
301.2Dim
311.2Dim
Planning a trip in December

Is December a good time to visit Bulle?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Bulle.

What to pack for Bulle in December

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

In December, Bulle sees daytime highs around 2°C and nights near -4°C. Pack a warm layer, a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

UV index in Bulle in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bulle peaks around July 15 at about 8 (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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bulle?

Bulle sits at 46.6°N, 7.1°E, 771 m above sea level, in Switzerland. The nearest listed city is Fribourg, 22 km away.

FribourgMontreuxVeveyPullyLausanneYverdon-les-BainsRenensMonthey

Topography around Bulle

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

Within 3 km, the terrain around Bulle has significant variations in elevation — a maximum elevation change of 323 m around an average of 774 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,747 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,030 m.

The land around Bulle is covered by grassland (50%) and trees (25%) within 3 km, grassland (52%) and trees (39%) within 16 km, and trees (42%) and grassland (35%) within 80 km.

3 km
323 m
16 km
1,747 m
80 km
4,030 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
December weather nearby: Fribourg 22 km · Montreux 23 km · Vevey 24 km · Pully 32 km · Lausanne 34 km · Yverdon-les-Bains 36 km · Renens 37 km · Monthey 41 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 Bulle (46.618°, 7.0569°, elevation 771 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).