Lisburn weather in December

In December, Lisburn sees average daytime highs of 8°C and overnight lows near 4°C, with 82 mm of precipitation across 13.5 wet days and about 7.1 hours of daylight. It is the 10th-warmest and 3rd-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 13% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 24 min at the start of December to 7 h 06 min by month's end. Set against the rest of the year, December is Lisburn's 5th-clearest and 3rd-windiest month. For the whole year in context, see Lisburn's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
82 mm
13.5 wet days
Daylight
7 hours
8:49 AM – 3:51 PM
Cloud cover
75%
5th clearest
Wind
18 km/h
3rd windiest
Solar energy
0.47 kWh/m²
Travel score
1.2
out of 10

Lisburn is city in Northern Ireland.

Density
173/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 Lisburn 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 4°C and 12°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
195
295
395
495
595
685
785
884
984
1084
1184
1284
1384
1484
1584
1684
1784
1884
1984
2084
2184
2284
2384
2484
2574
2674
2774
2874
2974
3074
3174

How December really feels in Lisburn

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 14 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
14
wind chill below the day's low

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

Lisburn weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7714.20.87.61.0
Feb / 6212.10.99.31.1
Mar / 6213.40.611.51.6
Apr11° / 65130.213.72.5
May14° / 7014.10.115.73.5
Jun16° / 11°7513.2016.94.4
Jul18° / 12°8114.6016.44.9
Aug18° / 12°8114.2014.74.9
Sep16° / 11°7012.5012.54.4
Oct13° / 8713.5010.23.1
Nov10° / 85140.28.21.9
Dec / 8213.50.57.11.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42971
52971
62971
72872
82872
92872
102872
112773
122773
132773
142575
152575
162476
172476
182476
192575
202575
212476
222476
232476
242476
252476
262575
272575
282674
292773
302872
312872

Chance of precipitation in December

Any precipitationSnow

Lisburn gets around 82 mm of rain and snow over 13.5 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 44% and peaks near 46% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1462
2462
3462
4452
5452
6442
7442
8432
9432
10432
11422
12422
13422
14422
15422
16422
17422
18422
19422
20422
21422
22432
23432
24432
25442
26442
27452
28452
29452
30462
31462

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 18 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
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 24 min at the start of December to 7 h 06 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 8:31 AM to 8:55 AM, and sunset from 3:56 PM to 4:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.48:313:56
27.48:333:56
37.38:343:55
47.38:363:54
57.38:373:54
67.28:383:53
77.28:403:53
87.28:413:52
97.28:423:52
107.18:433:52
117.18:443:52
127.18:453:51
137.18:463:51
147.18:473:51
157.18:483:51
167.08:493:51
177.08:503:52
187.08:513:52
197.08:513:52
207.08:523:52
217.08:523:53
227.08:533:53
237.08:533:54
247.08:543:54
257.08:543:55
267.08:543:56
277.08:553:56
287.08:553:57
297.18:553:58
307.18:553:59
317.18:554:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.47 kWh/m² to a high of 4.95 kWh/m² in May across the year — December's 0.47 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.6Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.5Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.5Dim
280.5Dim
290.5Dim
300.5Dim
310.5Dim
Planning a trip in December

Is December a good time to visit Lisburn?

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

1.2
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 Lisburn.

What to pack for Lisburn in December

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

In December, Lisburn sees daytime highs around 8°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Lisburn 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 40 km away) is warmest in September at about 14°C and coldest in March near 8°C.

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

6°8°10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr8Bracing
May9Bracing
Jun11Bracing
Jul12Bracing
Aug13Bracing
Sep14Bracing
Oct14Bracing
Nov12Bracing
Dec11Bracing

UV index in Lisburn 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 Lisburn peaks around July 24 at about 5 (high) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Lisburn?

Lisburn sits at 54.5°N, 6.0°W, 53 m above sea level, in United Kingdom. The nearest listed city is Belfast, 11 km away.

Topography around Lisburn

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

Within 3 km, the terrain around Lisburn has only modest variations in elevation — a maximum elevation change of 155 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 481 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Lisburn is covered by grassland (37%), artificial surfaces (32%) and trees (24%) within 3 km, grassland (69%) within 16 km, and grassland (52%) and water (40%) within 80 km.

3 km
155 m
16 km
481 m
80 km
860 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Belfast 11 km · Castlereagh 11 km · Newtownabbey 17 km · Newtownards 23 km · Craigavon 24 km · Antrim 24 km · Banbridge 25 km · Carrickfergus 26 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 Lisburn (54.5234°, -6.0353°, elevation 53 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).