King's Lynn weather in December

In December, King's Lynn sees average daytime highs of 8°C and overnight lows near 4°C, with 57 mm of precipitation across 11.9 wet days and about 7.5 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 42 min at the start of December to 7 h 24 min by month's end. Set against the rest of the year, December is King's Lynn's 7th-clearest and 3rd-windiest month. For the whole year in context, see King's Lynn's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
57 mm
11.9 wet days
Daylight
7 h 24 min
8:13 AM – 3:36 PM
Cloud cover
71%
7th clearest
Wind
20 km/h
3rd windiest
Solar energy
0.59 kWh/m²
Travel score
1.1
out of 10

King's Lynn is market town in the county of Norfolk, England.

Density
3,157/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 8°C through the month.

A typical December day in King's Lynn reaches about 8°C in the afternoon and slips back to 4°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
184
284
384
484
584
684
784
884
984
1084
1184
1284
1384
1484
1574
1674
1774
1873
1973
2073
2173
2273
2373
2473
2573
2673
2773
2873
2973
3073
3173

How December really feels in King's Lynn

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

King's Lynn weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5412.40.77.90.8
Feb / 4310.41.29.51.0
Mar / 4610.10.711.51.9
Apr12° / 4610.4013.63.1
May15° / 5210015.54.4
Jun18° / 12°6110.8016.55.5
Jul20° / 14°5911.5016.16.1
Aug20° / 14°6410.9014.56.1
Sep18° / 12°599.8012.45.5
Oct14° / 6612.2010.33.8
Nov10° / 6011.90.28.52.2
Dec / 5711.90.87.51.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33664
43664
53664
63664
73664
83664
93664
103763
113664
123565
133367
143367
153268
163268
173070
183070
192971
202971
212872
222971
233070
243070
253070
263169
273169
283169
293169
303268
313268

Chance of precipitation in December

Any precipitationSnow

King's Lynn gets around 57 mm of rain and snow over 11.9 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 39% and peaks near 41% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1381
2381
3371
4371
5371
6371
7371
8371
9371
10371
11371
12382
13382
14392
15402
16402
17413
18413
19413
20413
21414
22414
23414
24414
25404
26404
27404
28404
29404
30403
31403

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 20 km/h in December.

Across December, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2520breezy
2620breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 42 min at the start of December to 7 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 7:56 AM to 8:19 AM, and sunset from 3:40 PM to 3:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.77:563:40
27.77:573:40
37.77:593:39
47.68:003:39
57.68:013:38
67.68:033:38
77.68:043:37
87.58:053:37
97.58:063:37
107.58:073:37
117.58:083:36
127.58:093:36
137.48:103:36
147.48:113:36
157.48:123:36
167.48:133:36
177.48:133:37
187.48:143:37
197.48:153:37
207.48:153:37
217.48:163:38
227.48:163:38
237.48:173:39
247.48:173:39
257.48:183:40
267.48:183:41
277.48:183:41
287.48:183:42
297.48:183:43
307.48:183:44
317.48:193:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.59 kWh/m² to a high of 5.33 kWh/m² in June across the year — December's 0.59 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.6Dim
180.6Dim
190.6Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in December

Is December a good time to visit King's Lynn?

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

1.1
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 King's Lynn.

What to pack for King's Lynn in December

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

In December, King's Lynn sees daytime highs around 8°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat, rain gear and a windbreaker. About 12 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near King's Lynn in December

The nearest coast averages about 7°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 18°C and coldest in February near 5°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep16Cool
Oct13Bracing
Nov10Bracing
Dec7Bracing

UV index in King's Lynn 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 King's Lynn peaks around August 10 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is King's Lynn?

King's Lynn sits at 52.8°N, 0.4°E, 10 m above sea level, in United Kingdom. The nearest listed city is Wisbech, 19 km away.

Topography around King's Lynn

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of King's Lynn.

Within 3 km, the terrain around King's Lynn has only modest variations in elevation — a maximum elevation change of 28 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, only modest variations in elevation — a maximum elevation change of 231 m.

The land around King's Lynn is covered by cropland (37%) and artificial surfaces (25%) within 3 km, cropland (52%) within 16 km, and cropland (55%) within 80 km.

3 km
28 m
16 km
109 m
80 km
231 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Wisbech 19 km · March 30 km · Spalding 37 km · East Dereham 37 km · Boston 38 km · Primrose Place 40 km · Ely 40 km · Skegness 44 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 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 King's Lynn (52.7517°, 0.3952°, elevation 10 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).