Coleraine in Spring
In spring (March, April and May), Coleraine sees average daytime highs around 9°C and overnight lows near 7°C, with 240 mm of precipitation over about 43 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 8°C in early March to 12°C by late May. The sky is clear or mostly clear about 16% of the time across spring, and the air most often feels dry.
Spring is Coleraine's 3rd-best season 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
- 9°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 240 mm
- 43 wet days
- Avg wind
- 25 km/h
- Travel score
- 1.7
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Coleraine in Spring
Over the season highs climb from about 8°C in early March to 12°C by late May.
A typical spring day in Coleraine reaches about 9°C and drops to 7°C overnight. The warmest of the three months is May, the coolest March.
Coleraine weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 16% of the time across spring.
Chance of precipitation in Spring
Coleraine gets around 240 mm of rain and snow over 43 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 25 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 18 min in early March to 16 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 3.7 kWh/m².
Is spring a good time to visit Coleraine?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Coleraine.
What to pack for Coleraine in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Coleraine sees daytime highs around 9°C and nights near 7°C. Pack a warm layer, rain gear and a windbreaker. Worth having: a heavy coat and sun protection. About 43 days see rain.
Sea temperature near Coleraine in Spring
The nearest coast averages about 8°C across spring — 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 Spring
Clear-sky midday UV across spring averages around 3 — enough to warrant sun protection. 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.