Castlebar weather by month

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

Temperature in Castlebar (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Castlebar7
8°C maximum daytime temperature in February in Castlebar8
9°C maximum daytime temperature in March in Castlebar9
12°C maximum daytime temperature in April in Castlebar12
14°C maximum daytime temperature in May in Castlebar14
17°C maximum daytime temperature in June in Castlebar17
18°C maximum daytime temperature in July in Castlebar18
18°C maximum daytime temperature in August in Castlebar18
16°C maximum daytime temperature in September in Castlebar16
13°C maximum daytime temperature in October in Castlebar13
10°C maximum daytime temperature in November in Castlebar10
8°C maximum daytime temperature in December in Castlebar8
Min temperature (night-time)
2°C minimum night-time temperature in January in Castlebar2
2°C minimum night-time temperature in February in Castlebar2
3°C minimum night-time temperature in March in Castlebar3
4°C minimum night-time temperature in April in Castlebar4
6°C minimum night-time temperature in May in Castlebar6
9°C minimum night-time temperature in June in Castlebar9
10°C minimum night-time temperature in July in Castlebar10
10°C minimum night-time temperature in August in Castlebar10
9°C minimum night-time temperature in September in Castlebar9
7°C minimum night-time temperature in October in Castlebar7
4°C minimum night-time temperature in November in Castlebar4
3°C minimum night-time temperature in December in Castlebar3
Heat & Humidity
No heat & humidity in January in Castlebar0
No heat & humidity in February in Castlebar0
No heat & humidity in March in Castlebar0
No heat & humidity in April in Castlebar0
No heat & humidity in May in Castlebar0
No heat & humidity in June in Castlebar0
No heat & humidity in July in Castlebar0
No heat & humidity in August in Castlebar0
No heat & humidity in September in Castlebar0
No heat & humidity in October in Castlebar0
No heat & humidity in November in Castlebar0
No heat & humidity in December in Castlebar0

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

Sunshine & Daylight in Castlebar

  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 Castlebar8
10 hours of daylight per day in February in Castlebar10
12 hours of daylight per day in March in Castlebar12
14 hours of daylight per day in April in Castlebar14
16 hours of daylight per day in May in Castlebar16
17 hours of daylight per day in June in Castlebar17
16 hours of daylight per day in July in Castlebar16
15 hours of daylight per day in August in Castlebar15
13 hours of daylight per day in September in Castlebar13
11 hours of daylight per day in October in Castlebar11
9 hours of daylight per day in November in Castlebar9
8 hours of daylight per day in December in Castlebar8
UV Index (Maximum)
No UV (maximum) index in January in Castlebar0
UV (maximum) index 1 (Low) in February in Castlebar1
UV (maximum) index 2 (Low) in March in Castlebar2
UV (maximum) index 4 (Moderate) in April in Castlebar4
UV (maximum) index 5 (Moderate) in May in Castlebar5
UV (maximum) index 6 (High) in June in Castlebar6
UV (maximum) index 6 (High) in July in Castlebar6
UV (maximum) index 5 (Moderate) in August in Castlebar5
UV (maximum) index 4 (Moderate) in September in Castlebar4
UV (maximum) index 2 (Low) in October in Castlebar2
UV (maximum) index 1 (Low) in November in Castlebar1
No UV (maximum) index in December in Castlebar0

Rainfall in Castlebar

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
24 days with some rainfall in January in Castlebar24
19 days with some rainfall in February in Castlebar19
22 days with some rainfall in March in Castlebar22
17 days with some rainfall in April in Castlebar17
19 days with some rainfall in May in Castlebar19
17 days with some rainfall in June in Castlebar17
17 days with some rainfall in July in Castlebar17
20 days with some rainfall in August in Castlebar20
21 days with some rainfall in September in Castlebar21
23 days with some rainfall in October in Castlebar23
23 days with some rainfall in November in Castlebar23
23 days with some rainfall in December in Castlebar23
Average monthly rainfall (mm)
129 mm monthly rainfall in January in Castlebar129
83 mm monthly rainfall in February in Castlebar83
98 mm monthly rainfall in March in Castlebar98
66 mm monthly rainfall in April in Castlebar66
79 mm monthly rainfall in May in Castlebar79
70 mm monthly rainfall in June in Castlebar70
68 mm monthly rainfall in July in Castlebar68
93 mm monthly rainfall in August in Castlebar93
111 mm monthly rainfall in September in Castlebar111
131 mm monthly rainfall in October in Castlebar131
134 mm monthly rainfall in November in Castlebar134
130 mm monthly rainfall in December in Castlebar130

More about Castlebar

Castlebar by month

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

Recommended for Ireland

Rural Retreats: Special offers on cottage holidays

  • Save on holiday cottages in the UK & Ireland
  • Browse latest special offers on hand-picked cottages
  • Filter offers by facilities, activities & location
Go to Rural Retreats deal >>

View all Rural Retreats offers

Save on holidays in 2022/2023 with TUI Ireland

The climate guide for Ireland (Castlebar) 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 Castlebar?

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

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

Back to top

Tropical storm risk: Castlebar 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 Castlebar with the USA

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

Maximum daytime temperature (°C)

Castlebar, County Mayo, Ireland
USA (Washington)
7
5
8
7
9
13
12
19
14
24
17
29
18
31
18
30
16
26
13
20
10
14
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more Castlebar 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 ^