Castlebar, Mayo, Ireland Climate Change Severity

43
High
The current climate change severity in Castlebar is High, with a 8.5% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Castlebar Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Castlebar temperature has changed by around -1.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Feb. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
20
-100%
cloudyCloudy
70
-100%
rainyRainy
3921
-46.1%
snowySnowy
06
100%
mistyMisty
02
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Castlebar has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Castlebar experienced significant changes:

Temperature change of

0 °C

Variation in annual rainfall

+16.2 %

Change in average humidity

+1.5 %

PM2.5 levels surged by

+30.4 %

Heatwave changed by

+0.8 day(s)

Coldwave changed by

-0.6 day(s)

Wind speeds changed by

+1.9 km/h

These indicators show improvement in key parametes of climate, but Castlebar remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Feb.

Castlebar Weather Forecast 30 Days (March - April 2026)
Castlebar, Mayo, Ireland

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 11, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/5°
Humidity Icon76%
Wind Icon41.8km/h
Thu. 12, Mar.
moderate rainModerate rain
Temperature Icon8°/2°
Humidity Icon88%
Wind Icon46.4km/h
Fri. 13, Mar.
moderate rainModerate rain
Temperature Icon7°/1°
Humidity Icon81%
Wind Icon42.5km/h
Sat. 14, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/3°
Humidity Icon85%
Wind Icon27.7km/h
Sun. 15, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/5°
Humidity Icon75%
Wind Icon42.5km/h
Mon. 16, Mar.
moderate rainModerate rain
Temperature Icon11°/6°
Humidity Icon91%
Wind Icon41.4km/h
Tue. 17, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/5°
Humidity Icon83%
Wind Icon40.3km/h
Wed. 18, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/4°
Humidity Icon85%
Wind Icon35.3km/h
Thu. 19, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/5°
Humidity Icon74%
Wind Icon54.4km/h
Fri. 20, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/3°
Humidity Icon82%
Wind Icon37.1km/h
Sat. 21, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/2°
Humidity Icon75%
Wind Icon48.6km/h
Sun. 22, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/2°
Humidity Icon77%
Wind Icon45.4km/h
Mon. 23, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/5°
Humidity Icon85%
Wind Icon28.1km/h
Tue. 24, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/3°
Humidity Icon79%
Wind Icon27km/h
Wed. 25, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon83%
Wind Icon21.6km/h
Thu. 26, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon83%
Wind Icon22.7km/h
Fri. 27, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon81%
Wind Icon23.8km/h
Sat. 28, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon80%
Wind Icon23km/h
Sun. 29, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon84%
Wind Icon23.8km/h
Mon. 30, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon84%
Wind Icon25.9km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon81%
Wind Icon22.7km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon83%
Wind Icon24.1km/h
Thu. 2, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon84%
Wind Icon22km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon83%
Wind Icon25.9km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon81%
Wind Icon27.7km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon81%
Wind Icon23km/h
Wed. 8, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon82%
Wind Icon21.2km/h
Thu. 9, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon81%
Wind Icon20.9km/h
Fri. 10, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon81%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 8, Apr.

12°C

Low will be onFri. 13, Mar.

1°C

HumidityHumidity

High will be onMon. 16, Mar.

91%

Low will be onThu. 19, Mar.

74%

Wind SpeedWind Speed

High will be onThu. 19, Mar.

54.4km/h

Low will be onThu. 9, Apr.

20.9km/h

PrecipitationPrecipitation

High will be onThu. 12, Mar.

18.4mm

Low will be onTue. 24, Mar.

0.5mm

Ultraviolet IndexUV

High will be onSat. 14, Mar.

2

Low will be onThu. 12, Mar.

0.1

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