Flam weather in December

In December, Flam sees average daytime highs of -3°C and overnight lows near -7°C, with 173 mm of precipitation across 17.7 wet days and about 5.4 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near -3°C through the month. The sky is clear or mostly clear about 3% of the time in December, and the air most often feels dry.

Daylight stretches from about 5 h 48 min at the start of December to 5 h 18 min by month's end. Set against the rest of the year, December is Flam's 12th-clearest and 7th-windiest month. For the whole year in context, see Flam's year-round climate.

Daytime high
-3°
10th warmest
Overnight low
-7°
3rd coldest
Precipitation
173 mm
17.7 wet days
Daylight
5 h 12 min
9:50 AM – 3:05 PM
Cloud cover
88%
12th clearest
Wind
6 km/h
7th windiest
Solar energy
0.17 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -3°C through the month.

A typical December day in Flam reaches about -3°C in the afternoon and slips back to -7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -10°C and 2°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

-20°-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
1-2-6
2-2-7
3-2-7
4-2-7
5-2-7
6-3-7
7-3-7
8-3-7
9-3-7
10-3-7
11-3-7
12-3-7
13-3-7
14-3-7
15-3-7
16-3-7
17-3-8
18-3-8
19-3-8
20-3-8
21-3-8
22-3-8
23-3-8
24-3-8
25-3-8
26-3-8
27-3-8
28-3-8
29-3-8
30-3-8
31-3-8

How December really feels in Flam

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
25 feel bitter (≤ -10°C)

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

Flam weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -8°17418.219.46.20.0
Feb-4° / -8°14215.316.98.50.0
Mar-1° / -6°13815.917.311.30.0
Apr / -3°9314.313.714.20.0
May / 8915.39.3170.8
Jun12° / 12017.61.918.62.5
Jul15° / 127190.117.93.5
Aug14° / 12817.70.215.53.3
Sep10° / 14616.93.712.61.7
Oct / -1°15917.711.79.70.1
Nov-1° / -5°15516.816.370.0
Dec-3° / -7°17317.718.55.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2892
3892
4793
5892
6892
7892
8892
9892
10892
11892
12892
13892
14892
15892
16892
17892
18793
19892
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892
31991

Chance of precipitation in December

Any precipitationSnow

Flam gets around 173 mm of rain and snow over 17.7 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 57% and peaks near 58% on the wettest days, and about 19 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15760
25760
35760
45760
55760
65760
75759
85759
95659
105658
115658
125658
135558
145558
155557
165557
175558
185558
195658
205659
215759
225760
235760
245761
255861
265861
275862
285762
295762
305762
315762

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.

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 5 h 48 min at the start of December to 5 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over December. Sunrise moves from 9:26 AM to 9:55 AM, and sunset from 3:16 PM to 3:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
15.89:263:16
25.89:283:15
35.79:303:14
45.79:323:13
55.69:343:12
65.69:363:11
75.59:383:10
85.59:393:09
95.59:413:08
105.49:433:07
115.49:443:07
125.39:453:06
135.39:473:06
145.39:483:06
155.39:493:05
165.29:503:05
175.29:513:05
185.29:523:05
195.29:533:05
205.29:543:06
215.29:543:06
225.29:553:06
235.29:553:07
245.29:553:07
255.29:563:08
265.29:563:09
275.29:563:10
285.29:563:11
295.39:563:12
305.39:553:13
315.39:553:14

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.17 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.17 kWh/m² to a high of 5.49 kWh/m² in May across the year — December's 0.17 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.2Dim
30.2Dim
40.2Dim
50.2Dim
60.2Dim
70.2Dim
80.2Dim
90.2Dim
100.2Dim
110.2Dim
120.2Dim
130.2Dim
140.2Dim
150.2Dim
160.2Dim
170.2Dim
180.2Dim
190.2Dim
200.2Dim
210.2Dim
220.2Dim
230.2Dim
240.2Dim
250.2Dim
260.2Dim
270.2Dim
280.2Dim
290.2Dim
300.2Dim
310.2Dim
Planning a trip in December

Is December a good time to visit Flam?

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

0.0
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Flam.

What to pack for Flam in December

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

In December, Flam sees daytime highs around -3°C and nights near -7°C. Pack a warm layer, a heavy coat and rain gear. About 18 days see rain.

a warm layera heavy coatrain gear

UV index in Flam in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Flam peaks around June 16 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 16UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Flam?

Flam sits at 60.9°N, 7.1°E, 0 m above sea level, in Norway. The nearest listed city is Bergen, 111 km away.

AlesundHaugesundKongsbergGjøvik

Topography around Flam

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

Within 3 km, the terrain around Flam has very significant variations in elevation — a maximum elevation change of 1,383 m around an average of 590 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,805 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,337 m.

The land around Flam is covered by trees (58%) and grassland (27%) within 3 km, grassland (32%) and moss and lichen (24%) within 16 km, and grassland (38%) and moss and lichen (20%) within 80 km.

3 km
1,383 m
16 km
1,805 m
80 km
2,337 m
treesgrasslandartificial surfacesbare terrainsnow and icewatermoss and lichen
December weather nearby: Bergen 111 km · Nesttun 114 km · Ytrebygda 118 km · Lillehammer 183 km · Alesund 186 km · Haugesund 191 km · Kongsberg 193 km · Gjøvik 194 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Flam (60.8626°, 7.1131°, elevation 0 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).