Crowborough weather in December

In December, Crowborough sees average daytime highs of 8°C and overnight lows near 4°C, with 72 mm of precipitation across 11.7 wet days and about 7.8 hours of daylight. It is the 10th-warmest and 2nd-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 18% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 hours at the start of December to 7 h 42 min by month's end. Set against the rest of the year, December is Crowborough's 8th-clearest and 2nd-windiest month. For the whole year in context, see Crowborough's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
72 mm
11.7 wet days
Daylight
7 h 42 min
8:04 AM – 3:47 PM
Cloud cover
71%
8th clearest
Wind
19 km/h
2nd windiest
Solar energy
0.71 kWh/m²
Travel score
1.3
out of 10

Crowborough is town in the Wealden district of East Sussex, England.

Density
1,595/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 Crowborough 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)
194
294
394
494
594
694
784
884
984
1084
1184
1284
1384
1484
1584
1684
1783
1883
1983
2083
2183
2283
2383
2483
2583
2683
2783
2883
2983
3083
3183

How December really feels in Crowborough

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 26 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
26
wind chill below the day's low

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

Crowborough 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 / 6511.80.78.21.0
Feb / 519.70.89.61.1
Mar10° / 45100.411.52.2
Apr13° / 5010.50.113.53.4
May16° / 5410.3015.34.8
Jun19° / 11°529.4016.25.9
Jul21° / 13°5310.3015.96.4
Aug21° / 14°6410.2014.46.3
Sep18° / 11°519.7012.45.8
Oct15° / 7111.4010.44.1
Nov11° / 7311.90.18.72.3
Dec / 7211.70.77.81.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23169
33268
43367
53367
63466
73466
83466
93466
103466
113466
123367
133367
143367
153268
163070
173070
183070
193070
202971
212971
222971
233070
243070
253070
263070
273070
283070
293070
303169
313169

Chance of precipitation in December

Any precipitationSnow

Crowborough gets around 72 mm of rain and snow over 11.7 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 38% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1372
2372
3372
4362
5362
6362
7362
8352
9352
10362
11362
12362
13372
14372
15382
16382
17392
18392
19402
20403
21403
22403
23403
24402
25402
26402
27402
28402
29402
30402
31402

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 19 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 hours at the start of December to 7 h 42 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 7:49 AM to 8:10 AM, and sunset from 3:50 PM to 3:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.07:493:50
28.07:503:49
38.07:513:49
47.97:523:48
57.97:543:48
67.97:553:47
77.97:563:47
87.87:573:47
97.87:583:47
107.87:593:46
117.88:003:46
127.88:013:46
137.78:023:46
147.78:033:46
157.78:043:46
167.78:043:47
177.78:053:47
187.78:063:47
197.78:063:47
207.78:073:48
217.78:083:48
227.78:083:49
237.78:093:49
247.78:093:50
257.78:093:50
267.78:103:51
277.78:103:51
287.78:103:52
297.78:103:53
307.78:103:54
317.78:103:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.71 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.84 kWh/m² in June across the year — December's 0.71 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Crowborough?

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

1.3
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Crowborough.

What to pack for Crowborough in December

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

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

a warm layera heavy coatrain gear

Sea temperature near Crowborough in December

The nearest coast averages about 11°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 38 km away) is warmest in August at about 17°C and coldest in March near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun13Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in Crowborough 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 Crowborough peaks around July 24 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Crowborough?

Crowborough sits at 51.1°N, 0.2°E, 201 m above sea level, in United Kingdom. The nearest listed city is Royal Tunbridge Wells, 11 km away.

Topography around Crowborough

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

Within 3 km, the terrain around Crowborough has only modest variations in elevation — a maximum elevation change of 184 m around an average of 146 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around Crowborough is covered by trees (66%) and grassland (25%) within 3 km, trees (48%) and grassland (41%) within 16 km, and water (31%), grassland (24%) and trees (23%) within 80 km.

3 km
184 m
16 km
239 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Royal Tunbridge Wells 11 km · Uckfield 11 km · East Grinstead 14 km · Tonbridge 17 km · Haywards Heath 20 km · Hailsham 23 km · Lewes 23 km · Sevenoaks 24 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 Crowborough (51.061°, 0.1634°, elevation 201 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).