Dundalk weather by month

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

Temperature in Dundalk (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
46°F maximum daytime temperature in January in Dundalk46
46°F maximum daytime temperature in February in Dundalk46
50°F maximum daytime temperature in March in Dundalk50
54°F maximum daytime temperature in April in Dundalk54
59°F maximum daytime temperature in May in Dundalk59
64°F maximum daytime temperature in June in Dundalk64
68°F maximum daytime temperature in July in Dundalk68
66°F maximum daytime temperature in August in Dundalk66
63°F maximum daytime temperature in September in Dundalk63
57°F maximum daytime temperature in October in Dundalk57
50°F maximum daytime temperature in November in Dundalk50
46°F maximum daytime temperature in December in Dundalk46
Min temperature (night-time)
36°F minimum night-time temperature in January in Dundalk36
36°F minimum night-time temperature in February in Dundalk36
37°F minimum night-time temperature in March in Dundalk37
39°F minimum night-time temperature in April in Dundalk39
43°F minimum night-time temperature in May in Dundalk43
48°F minimum night-time temperature in June in Dundalk48
52°F minimum night-time temperature in July in Dundalk52
52°F minimum night-time temperature in August in Dundalk52
48°F minimum night-time temperature in September in Dundalk48
45°F minimum night-time temperature in October in Dundalk45
39°F minimum night-time temperature in November in Dundalk39
37°F minimum night-time temperature in December in Dundalk37
Heat & Humidity
No heat & humidity in January in Dundalk0
No heat & humidity in February in Dundalk0
No heat & humidity in March in Dundalk0
No heat & humidity in April in Dundalk0
No heat & humidity in May in Dundalk0
No heat & humidity in June in Dundalk0
No heat & humidity in July in Dundalk0
No heat & humidity in August in Dundalk0
No heat & humidity in September in Dundalk0
No heat & humidity in October in Dundalk0
No heat & humidity in November in Dundalk0
No heat & humidity in December in Dundalk0
Sea temperature
46°F sea temperature in January in Dundalk46
45°F sea temperature in February in Dundalk45
45°F sea temperature in March in Dundalk45
46°F sea temperature in April in Dundalk46
52°F sea temperature in May in Dundalk52
54°F sea temperature in June in Dundalk54
57°F sea temperature in July in Dundalk57
59°F sea temperature in August in Dundalk59
57°F sea temperature in September in Dundalk57
55°F sea temperature in October in Dundalk55
52°F sea temperature in November in Dundalk52
48°F sea temperature in December in Dundalk48

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

Sunshine & Daylight in Dundalk

  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 Dundalk8
10 hours of daylight per day in February in Dundalk10
12 hours of daylight per day in March in Dundalk12
14 hours of daylight per day in April in Dundalk14
16 hours of daylight per day in May in Dundalk16
17 hours of daylight per day in June in Dundalk17
17 hours of daylight per day in July in Dundalk17
15 hours of daylight per day in August in Dundalk15
13 hours of daylight per day in September in Dundalk13
10 hours of daylight per day in October in Dundalk10
9 hours of daylight per day in November in Dundalk9
7 hours of daylight per day in December in Dundalk7
UV Index (Maximum)
No UV (maximum) index in January in Dundalk0
UV (maximum) index 1 (Low) in February in Dundalk1
UV (maximum) index 2 (Low) in March in Dundalk2
UV (maximum) index 4 (Moderate) in April in Dundalk4
UV (maximum) index 5 (Moderate) in May in Dundalk5
UV (maximum) index 6 (High) in June in Dundalk6
UV (maximum) index 6 (High) in July in Dundalk6
UV (maximum) index 5 (Moderate) in August in Dundalk5
UV (maximum) index 4 (Moderate) in September in Dundalk4
UV (maximum) index 2 (Low) in October in Dundalk2
UV (maximum) index 1 (Low) in November in Dundalk1
No UV (maximum) index in December in Dundalk0

Rainfall in Dundalk

  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 Dundalk19
15 days with some rainfall in February in Dundalk15
17 days with some rainfall in March in Dundalk17
15 days with some rainfall in April in Dundalk15
16 days with some rainfall in May in Dundalk16
15 days with some rainfall in June in Dundalk15
15 days with some rainfall in July in Dundalk15
17 days with some rainfall in August in Dundalk17
16 days with some rainfall in September in Dundalk16
18 days with some rainfall in October in Dundalk18
17 days with some rainfall in November in Dundalk17
18 days with some rainfall in December in Dundalk18
Average monthly rainfall (inches)
3.4 inches monthly rainfall in January in Dundalk3.4
2.4 inches monthly rainfall in February in Dundalk2.4
2.6 inches monthly rainfall in March in Dundalk2.6
2.3 inches monthly rainfall in April in Dundalk2.3
2.5 inches monthly rainfall in May in Dundalk2.5
2.4 inches monthly rainfall in June in Dundalk2.4
2.2 inches monthly rainfall in July in Dundalk2.2
2.8 inches monthly rainfall in August in Dundalk2.8
3.1 inches monthly rainfall in September in Dundalk3.1
3.2 inches monthly rainfall in October in Dundalk3.2
3.0 inches monthly rainfall in November in Dundalk3.0
3.4 inches monthly rainfall in December in Dundalk3.4

More about Dundalk

Dundalk by month

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

Recommended for Ireland

Omio: Find the cheapest & fastest way to travel

  • Compare ticket prices for flights, trains & coaches
  • Choose your preferred mode of transport & book online
  • Including routes from over 150 airlines & transport providers
Go to Omio deal >>

View all Omio offers

Save on holidays in 2022/2023 with TUI Ireland

The climate guide for Ireland (Dundalk) 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 Dundalk?

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

Metric (°C)  |  Imperial (°F)

Back to top

Tropical storm risk: Dundalk 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

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

Back to top

More about Ireland

Compare Dundalk with the USA

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

Maximum daytime temperature (°F)

Dundalk, County Louth, Ireland
USA (Washington)
46
41
46
45
50
55
54
66
59
75
64
84
68
88
66
86
63
79
57
68
50
57
46
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

Compare more Dundalk weather >>

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^