Coleraine in Winter
In winter (December, January and February), Coleraine sees average daytime highs around 8°C and overnight lows near 6°C, with 371 mm of precipitation over about 57 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 8°C. The sky is clear or mostly clear about 8% of the time across winter, and the air most often feels dry.
Winter is Coleraine's weakest season of the year to visit on our travel score. Coleraine has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Coleraine's year-round climate.
- Avg daytime high
- 8°C
- coldest season of the year
- Avg overnight low
- 6°C
- Precipitation
- 371 mm
- 57 wet days
- Avg wind
- 32 km/h
- Travel score
- 1.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Coleraine in Winter
Across winter, daytime highs hold fairly steady around 8°C.
A typical winter day in Coleraine reaches about 8°C and drops to 6°C overnight. The warmest of the three months is December, the coolest February.
Coleraine weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 6° | 124 | 20.3 | 0.6 | 7.5 | 1.0 |
| Feb | 8° / 5° | 100 | 16.9 | 1 | 9.2 | 0.9 |
| Mar | 8° / 6° | 91 | 16 | 0.8 | 11.4 | 1.1 |
| Apr | 9° / 7° | 78 | 13.9 | 0.2 | 13.8 | 1.6 |
| May | 11° / 9° | 71 | 13.4 | 0 | 15.8 | 2.3 |
| Jun | 13° / 11° | 86 | 14.6 | 0 | 17 | 2.9 |
| Jul | 14° / 13° | 95 | 16.1 | 0 | 16.5 | 3.5 |
| Aug | 15° / 13° | 104 | 16.2 | 0 | 14.7 | 3.7 |
| Sep | 14° / 12° | 101 | 16.3 | 0 | 12.5 | 3.5 |
| Oct | 12° / 10° | 139 | 18.9 | 0 | 10.2 | 2.6 |
| Nov | 10° / 8° | 149 | 20.8 | 0.2 | 8.1 | 1.7 |
| Dec | 9° / 6° | 147 | 20 | 0.7 | 7 | 1.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 8% of the time across winter.
Chance of precipitation in Winter
Coleraine gets around 371 mm of rain and snow over 57 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 32 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 7 h 18 min in early December to 10 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 0.7 kWh/m².
Is winter a good time to visit Coleraine?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Coleraine.
What to pack for Coleraine in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Coleraine sees daytime highs around 8°C and nights near 6°C. Pack a warm layer, rain gear and a windbreaker. Worth having: a heavy coat. About 57 days see rain.
Sea temperature near Coleraine in Winter
The nearest coast averages about 9°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 27 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 9 | 8 | 8 | 8 | 9 | 11 | 13 | 14 | 14 | 13 | 12 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 9 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 8 | Bracing |
| May | 9 | Bracing |
| Jun | 11 | Bracing |
| Jul | 13 | Bracing |
| Aug | 14 | Bracing |
| Sep | 14 | Bracing |
| Oct | 13 | Bracing |
| Nov | 12 | Bracing |
| Dec | 10 | Bracing |
UV index in Coleraine in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Coleraine peaks around July 12 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 0 |
| Level | Low | Low | Moderate | Moderate | High | Moderate | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Moderate |
| Apr | 3 | Moderate |
| May | 5 | High |
| Jun | 5 | Moderate |
| Jul | 5 | High |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 2 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
Where is Coleraine?
Coleraine sits at 55.1°N, 6.7°W, 5 m above sea level, in United Kingdom. The nearest listed city is Ballymena, 39 km away.
Topography around Coleraine
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coleraine.
Within 3 km, the terrain around Coleraine has only modest variations in elevation — a maximum elevation change of 82 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, large variations in elevation — a maximum elevation change of 675 m.
The land around Coleraine is covered by grassland (54%) and trees (22%) within 3 km, grassland (57%) and water (24%) within 16 km, and grassland (46%) and water (46%) within 80 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
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 Coleraine (55.1333°, -6.6667°, elevation 5 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.