Galway weather by month

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

Temperature in Galway (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
8°C maximum daytime temperature in January in Galway8
8°C maximum daytime temperature in February in Galway8
10°C maximum daytime temperature in March in Galway10
13°C maximum daytime temperature in April in Galway13
15°C maximum daytime temperature in May in Galway15
18°C maximum daytime temperature in June in Galway18
19°C maximum daytime temperature in July in Galway19
19°C maximum daytime temperature in August in Galway19
17°C maximum daytime temperature in September in Galway17
14°C maximum daytime temperature in October in Galway14
10°C maximum daytime temperature in November in Galway10
9°C maximum daytime temperature in December in Galway9
Min temperature (night-time)
2°C minimum night-time temperature in January in Galway2
2°C minimum night-time temperature in February in Galway2
3°C minimum night-time temperature in March in Galway3
4°C minimum night-time temperature in April in Galway4
7°C minimum night-time temperature in May in Galway7
9°C minimum night-time temperature in June in Galway9
11°C minimum night-time temperature in July in Galway11
11°C minimum night-time temperature in August in Galway11
9°C minimum night-time temperature in September in Galway9
7°C minimum night-time temperature in October in Galway7
4°C minimum night-time temperature in November in Galway4
3°C minimum night-time temperature in December in Galway3
Heat & Humidity
No heat & humidity in January in Galway0
No heat & humidity in February in Galway0
No heat & humidity in March in Galway0
No heat & humidity in April in Galway0
No heat & humidity in May in Galway0
No heat & humidity in June in Galway0
No heat & humidity in July in Galway0
No heat & humidity in August in Galway0
No heat & humidity in September in Galway0
No heat & humidity in October in Galway0
No heat & humidity in November in Galway0
No heat & humidity in December in Galway0
Sea temperature
8°C sea temperature in January in Galway8
8°C sea temperature in February in Galway8
8°C sea temperature in March in Galway8
9°C sea temperature in April in Galway9
11°C sea temperature in May in Galway11
13°C sea temperature in June in Galway13
15°C sea temperature in July in Galway15
16°C sea temperature in August in Galway16
15°C sea temperature in September in Galway15
13°C sea temperature in October in Galway13
11°C sea temperature in November in Galway11
10°C sea temperature in December in Galway10

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

Sunshine & Daylight in Galway

  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 Galway8
10 hours of daylight per day in February in Galway10
12 hours of daylight per day in March in Galway12
14 hours of daylight per day in April in Galway14
16 hours of daylight per day in May in Galway16
17 hours of daylight per day in June in Galway17
16 hours of daylight per day in July in Galway16
15 hours of daylight per day in August in Galway15
13 hours of daylight per day in September in Galway13
11 hours of daylight per day in October in Galway11
9 hours of daylight per day in November in Galway9
8 hours of daylight per day in December in Galway8
UV Index (Maximum)
No UV (maximum) index in January in Galway0
UV (maximum) index 1 (Low) in February in Galway1
UV (maximum) index 2 (Low) in March in Galway2
UV (maximum) index 4 (Moderate) in April in Galway4
UV (maximum) index 5 (Moderate) in May in Galway5
UV (maximum) index 6 (High) in June in Galway6
UV (maximum) index 6 (High) in July in Galway6
UV (maximum) index 5 (Moderate) in August in Galway5
UV (maximum) index 4 (Moderate) in September in Galway4
UV (maximum) index 2 (Low) in October in Galway2
UV (maximum) index 1 (Low) in November in Galway1
No UV (maximum) index in December in Galway0

Rainfall in Galway

  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 Galway22
18 days with some rainfall in February in Galway18
21 days with some rainfall in March in Galway21
16 days with some rainfall in April in Galway16
18 days with some rainfall in May in Galway18
17 days with some rainfall in June in Galway17
16 days with some rainfall in July in Galway16
20 days with some rainfall in August in Galway20
20 days with some rainfall in September in Galway20
21 days with some rainfall in October in Galway21
21 days with some rainfall in November in Galway21
22 days with some rainfall in December in Galway22
Average monthly rainfall (mm)
107 mm monthly rainfall in January in Galway107
75 mm monthly rainfall in February in Galway75
77 mm monthly rainfall in March in Galway77
61 mm monthly rainfall in April in Galway61
71 mm monthly rainfall in May in Galway71
67 mm monthly rainfall in June in Galway67
69 mm monthly rainfall in July in Galway69
90 mm monthly rainfall in August in Galway90
104 mm monthly rainfall in September in Galway104
113 mm monthly rainfall in October in Galway113
117 mm monthly rainfall in November in Galway117
113 mm monthly rainfall in December in Galway113

More about Galway

Galway by month

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

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The climate guide for Ireland (Galway) 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 Galway?

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

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

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Tropical storm risk: Galway hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about Ireland

Compare Galway with the USA

Below the Galway chart shows average maximum daytime temperature for Galway, County Galway, Ireland and the USA (Washington).

Maximum daytime temperature (°C)

Galway, County Galway, Ireland
USA (Washington)
8
5
8
7
10
13
13
19
15
24
18
29
19
31
19
30
17
26
14
20
10
14
9
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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