Which is the hottest month in Coleraine?

The hottest time of year in Coleraine is normally July. Expect maximum daytime temperatures to reach 18°C.

Which month has the most rain in Coleraine?

In terms of rainfall, January is usually the wettest month in Coleraine with 101mm on average. There are normally 20 days in January with some rain.

When is it sunniest in Coleraine?

The sunniest time of year in Coleraine is normally May with bright sunshine on average for 37% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Coleraine?

The sea is usually at its warmest in Coleraine in September when the water temperature reaches 14°C.

Best time to visit Coleraine

Q: When is the best time to visit Coleraine?

The best times to visit Coleraine, Northern Ireland are in May, July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Coleraine, Northern Ireland are in May, July and August based on our default weather conditions. Update your weather preferences to see which months best match.

Coleraine by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

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When is the best time to visit Coleraine?

The best times to visit Coleraine, Northern Ireland are in May, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0.5
Feb
1
Mar
1.5
Apr
2
May
1.5
Jun
2
Jul
2
Aug
1
Sep
0.5
Oct
0.5
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
7
Feb
9
Mar
11
Apr
14
May
17
Jun
18
Jul
18
Aug
16
Sep
13
Oct
9
Nov
8
Dec

Hours of Sunshine (daily)

1
Jan
2
Feb
3
Mar
5
Apr
6
May
5
Jun
4
Jul
4
Aug
3
Sep
3
Oct
2
Nov
1
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Northern Ireland (Coleraine) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)