Portrush weather by month

Check out Portrush weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Portrush (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Portrush7
7°C maximum daytime temperature in February in Portrush7
9°C maximum daytime temperature in March in Portrush9
11°C maximum daytime temperature in April in Portrush11
13°C maximum daytime temperature in May in Portrush13
16°C maximum daytime temperature in June in Portrush16
17°C maximum daytime temperature in July in Portrush17
17°C maximum daytime temperature in August in Portrush17
15°C maximum daytime temperature in September in Portrush15
13°C maximum daytime temperature in October in Portrush13
9°C maximum daytime temperature in November in Portrush9
8°C maximum daytime temperature in December in Portrush8
Min temperature (night-time)
1°C minimum night-time temperature in January in Portrush1
1°C minimum night-time temperature in February in Portrush1
2°C minimum night-time temperature in March in Portrush2
4°C minimum night-time temperature in April in Portrush4
6°C minimum night-time temperature in May in Portrush6
8°C minimum night-time temperature in June in Portrush8
10°C minimum night-time temperature in July in Portrush10
10°C minimum night-time temperature in August in Portrush10
9°C minimum night-time temperature in September in Portrush9
7°C minimum night-time temperature in October in Portrush7
4°C minimum night-time temperature in November in Portrush4
2°C minimum night-time temperature in December in Portrush2
Heat & Humidity
No heat & humidity in January in Portrush0
No heat & humidity in February in Portrush0
No heat & humidity in March in Portrush0
No heat & humidity in April in Portrush0
No heat & humidity in May in Portrush0
No heat & humidity in June in Portrush0
No heat & humidity in July in Portrush0
No heat & humidity in August in Portrush0
No heat & humidity in September in Portrush0
No heat & humidity in October in Portrush0
No heat & humidity in November in Portrush0
No heat & humidity in December in Portrush0
Sea temperature
9°C sea temperature in January in Portrush9
8°C sea temperature in February in Portrush8
7°C sea temperature in March in Portrush7
8°C sea temperature in April in Portrush8
9°C sea temperature in May in Portrush9
11°C sea temperature in June in Portrush11
13°C sea temperature in July in Portrush13
14°C sea temperature in August in Portrush14
14°C sea temperature in September in Portrush14
13°C sea temperature in October in Portrush13
12°C sea temperature in November in Portrush12
10°C sea temperature in December in Portrush10

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Portrush

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Portrush8
10 hours of daylight per day in February in Portrush10
12 hours of daylight per day in March in Portrush12
14 hours of daylight per day in April in Portrush14
16 hours of daylight per day in May in Portrush16
17 hours of daylight per day in June in Portrush17
17 hours of daylight per day in July in Portrush17
15 hours of daylight per day in August in Portrush15
13 hours of daylight per day in September in Portrush13
10 hours of daylight per day in October in Portrush10
8 hours of daylight per day in November in Portrush8
7 hours of daylight per day in December in Portrush7
UV Index (Maximum)
No UV (maximum) index in January in Portrush0
UV (maximum) index 1 (Low) in February in Portrush1
UV (maximum) index 2 (Low) in March in Portrush2
UV (maximum) index 3 (Moderate) in April in Portrush3
UV (maximum) index 5 (Moderate) in May in Portrush5
UV (maximum) index 5 (Moderate) in June in Portrush5
UV (maximum) index 6 (High) in July in Portrush6
UV (maximum) index 5 (Moderate) in August in Portrush5
UV (maximum) index 3 (Moderate) in September in Portrush3
UV (maximum) index 2 (Low) in October in Portrush2
UV (maximum) index 1 (Low) in November in Portrush1
No UV (maximum) index in December in Portrush0

Rainfall in Portrush

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
22 days with some rainfall in January in Portrush22
17 days with some rainfall in February in Portrush17
20 days with some rainfall in March in Portrush20
16 days with some rainfall in April in Portrush16
17 days with some rainfall in May in Portrush17
16 days with some rainfall in June in Portrush16
18 days with some rainfall in July in Portrush18
19 days with some rainfall in August in Portrush19
20 days with some rainfall in September in Portrush20
22 days with some rainfall in October in Portrush22
21 days with some rainfall in November in Portrush21
22 days with some rainfall in December in Portrush22
Average monthly rainfall (mm)
118 mm monthly rainfall in January in Portrush118
79 mm monthly rainfall in February in Portrush79
91 mm monthly rainfall in March in Portrush91
65 mm monthly rainfall in April in Portrush65
66 mm monthly rainfall in May in Portrush66
70 mm monthly rainfall in June in Portrush70
77 mm monthly rainfall in July in Portrush77
92 mm monthly rainfall in August in Portrush92
107 mm monthly rainfall in September in Portrush107
124 mm monthly rainfall in October in Portrush124
115 mm monthly rainfall in November in Portrush115
113 mm monthly rainfall in December in Portrush113

More about Portrush

Portrush by month

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

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The climate guide for Northern Ireland (Portrush) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Portrush?

Portrush has a temperate climate with warm summers and some rainfall in all months.

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

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More about the UK

Compare Portrush with the UK

Below the Portrush chart shows average maximum daytime temperature for Portrush, Coleraine, Northern Ireland and the UK (London).

Maximum daytime temperature (°C)

Portrush, Coleraine, Northern Ireland
UK (London)
7
7
7
7
9
10
11
13
13
17
16
20
17
22
17
22
15
19
13
15
9
10
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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