Howth weather by month

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

Temperature in Howth (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
8°C maximum daytime temperature in January in Howth8
8°C maximum daytime temperature in February in Howth8
10°C maximum daytime temperature in March in Howth10
12°C maximum daytime temperature in April in Howth12
15°C maximum daytime temperature in May in Howth15
18°C maximum daytime temperature in June in Howth18
19°C maximum daytime temperature in July in Howth19
19°C maximum daytime temperature in August in Howth19
17°C maximum daytime temperature in September in Howth17
14°C maximum daytime temperature in October in Howth14
10°C maximum daytime temperature in November in Howth10
9°C maximum daytime temperature in December in Howth9
Min temperature (night-time)
3°C minimum night-time temperature in January in Howth3
3°C minimum night-time temperature in February in Howth3
3°C minimum night-time temperature in March in Howth3
5°C minimum night-time temperature in April in Howth5
7°C minimum night-time temperature in May in Howth7
10°C minimum night-time temperature in June in Howth10
12°C minimum night-time temperature in July in Howth12
11°C minimum night-time temperature in August in Howth11
10°C minimum night-time temperature in September in Howth10
8°C minimum night-time temperature in October in Howth8
4°C minimum night-time temperature in November in Howth4
3°C minimum night-time temperature in December in Howth3
Heat & Humidity
No heat & humidity in January in Howth0
No heat & humidity in February in Howth0
No heat & humidity in March in Howth0
No heat & humidity in April in Howth0
No heat & humidity in May in Howth0
No heat & humidity in June in Howth0
No heat & humidity in July in Howth0
No heat & humidity in August in Howth0
No heat & humidity in September in Howth0
No heat & humidity in October in Howth0
No heat & humidity in November in Howth0
No heat & humidity in December in Howth0
Sea temperature
9°C sea temperature in January in Howth9
8°C sea temperature in February in Howth8
7°C sea temperature in March in Howth7
8°C sea temperature in April in Howth8
10°C sea temperature in May in Howth10
12°C sea temperature in June in Howth12
14°C sea temperature in July in Howth14
15°C sea temperature in August in Howth15
14°C sea temperature in September in Howth14
13°C sea temperature in October in Howth13
12°C sea temperature in November in Howth12
10°C sea temperature in December in Howth10

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

Sunshine & Daylight in Howth

  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 Howth8
10 hours of daylight per day in February in Howth10
12 hours of daylight per day in March in Howth12
14 hours of daylight per day in April in Howth14
16 hours of daylight per day in May in Howth16
17 hours of daylight per day in June in Howth17
16 hours of daylight per day in July in Howth16
15 hours of daylight per day in August in Howth15
13 hours of daylight per day in September in Howth13
11 hours of daylight per day in October in Howth11
9 hours of daylight per day in November in Howth9
8 hours of daylight per day in December in Howth8
UV Index (Maximum)
No UV (maximum) index in January in Howth0
UV (maximum) index 1 (Low) in February in Howth1
UV (maximum) index 2 (Low) in March in Howth2
UV (maximum) index 4 (Moderate) in April in Howth4
UV (maximum) index 5 (Moderate) in May in Howth5
UV (maximum) index 6 (High) in June in Howth6
UV (maximum) index 6 (High) in July in Howth6
UV (maximum) index 5 (Moderate) in August in Howth5
UV (maximum) index 4 (Moderate) in September in Howth4
UV (maximum) index 2 (Low) in October in Howth2
UV (maximum) index 1 (Low) in November in Howth1
No UV (maximum) index in December in Howth0

Rainfall in Howth

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in Howth19
15 days with some rainfall in February in Howth15
17 days with some rainfall in March in Howth17
15 days with some rainfall in April in Howth15
16 days with some rainfall in May in Howth16
15 days with some rainfall in June in Howth15
14 days with some rainfall in July in Howth14
16 days with some rainfall in August in Howth16
16 days with some rainfall in September in Howth16
18 days with some rainfall in October in Howth18
17 days with some rainfall in November in Howth17
18 days with some rainfall in December in Howth18
Average monthly rainfall (mm)
62 mm monthly rainfall in January in Howth62
50 mm monthly rainfall in February in Howth50
50 mm monthly rainfall in March in Howth50
47 mm monthly rainfall in April in Howth47
55 mm monthly rainfall in May in Howth55
55 mm monthly rainfall in June in Howth55
51 mm monthly rainfall in July in Howth51
71 mm monthly rainfall in August in Howth71
64 mm monthly rainfall in September in Howth64
67 mm monthly rainfall in October in Howth67
65 mm monthly rainfall in November in Howth65
75 mm monthly rainfall in December in Howth75

More about Howth

Howth by month

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

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The climate guide for Ireland (Howth) 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 Howth?

Howth 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 Ireland

Compare Howth with the UK

Below the Howth chart shows average maximum daytime temperature for Howth, County Dublin, Ireland and the UK (London).

Maximum daytime temperature (°C)

Howth, County Dublin, Ireland
UK (London)
8
7
8
7
10
10
12
13
15
17
18
20
19
22
19
22
17
19
14
15
10
10
9
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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