Castlebar, Mayo, Ireland Climate Change Severity

38
Moderate
The current climate change severity in Castlebar is Moderate, with a 12.5% 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 Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Castlebar Weather Condition Changes (Historic Vs 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 +3.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
925
177.7%

cloudyCloudy
3522
-37.1%

rainyRainy
185150
-18.9%

snowySnowy
17
600%

mistyMisty
07
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 improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100


Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Castlebar experienced significant changes:

Temperature change of

+0.32 °C


Variation in annual rainfall

-3.8 %


Change in average humidity

-1.62 %


PM2.5 levels surged by

-13.06 %


Heatwave changed by

-3 Days


Coldwave changed by

-5 Days


Wind speeds changed by

+2.68 km/h


These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Castlebar Weather Forecast 30 Days (October - November 2026)
Castlebar, Mayo, Ireland


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 4, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/11°

Humidity Icon93%

Wind Icon24.8km/h
Mon. 5, Oct.
overcastOvercast

Temperature Icon16°/12°

Humidity Icon91%

Wind Icon21.2km/h
Tue. 6, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon13°/7°

Humidity Icon84%

Wind Icon13.3km/h
Wed. 7, Oct.
sunnySunny

Temperature Icon13°/6°

Humidity Icon82%

Wind Icon20.2km/h
Thu. 8, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/8°

Humidity Icon90%

Wind Icon32km/h
Fri. 9, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/10°

Humidity Icon82%

Wind Icon33.5km/h
Sat. 10, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon13°/10°

Humidity Icon77%

Wind Icon23km/h
Sun. 11, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon13°/9°

Humidity Icon87%

Wind Icon21.6km/h
Mon. 12, Oct.
heavy rain at timesHeavy Rain

Temperature Icon13°/6°

Humidity Icon85%

Wind Icon17.7km/h
Tue. 13, Oct.
heavy rain at timesHeavy Rain

Temperature Icon13°/7°

Humidity Icon87%

Wind Icon16.1km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/7°

Humidity Icon88%

Wind Icon17.1km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/7°

Humidity Icon88%

Wind Icon19.5km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/7°

Humidity Icon87%

Wind Icon21.5km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/7°

Humidity Icon88%

Wind Icon23.3km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/8°

Humidity Icon89%

Wind Icon23.7km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/8°

Humidity Icon89%

Wind Icon24.9km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/8°

Humidity Icon88%

Wind Icon24.7km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/8°

Humidity Icon86%

Wind Icon24.8km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon86%

Wind Icon21.8km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon89%

Wind Icon24.4km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon87%

Wind Icon24km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/7°

Humidity Icon86%

Wind Icon23.9km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon87%

Wind Icon27km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon88%

Wind Icon24.2km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/8°

Humidity Icon88%

Wind Icon23.3km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/7°

Humidity Icon87%

Wind Icon24.3km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/8°

Humidity Icon89%

Wind Icon24km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/7°

Humidity Icon89%

Wind Icon25.6km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers

Temperature Icon11°/6°

Humidity Icon85%

Wind Icon24.3km/h
Mon. 2, Nov.
moderate or heavy rain showerRain Showers

Temperature Icon11°/6°

Humidity Icon87%

Wind Icon24.8km/h
Tue. 3, Nov.
moderate or heavy rain showerRain Showers

Temperature Icon11°/7°

Humidity Icon87%

Wind Icon23.4km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 4, Oct.

17°C


Low will be onWed. 7, Oct.

6°C

HumidityHumidity

High will be onSun. 4, Oct.

93%


Low will be onSat. 10, Oct.

77%

Wind SpeedWind Speed

High will be onFri. 9, Oct.

33.5km/h


Low will be onTue. 6, Oct.

13.3km/h

PrecipitationPrecipitation

High will be onFri. 9, Oct.

13.5mm


Low will be onWed. 7, Oct.

0.05mm

Ultraviolet IndexUV

High will be onThu. 8, Oct.

3


Low will be onMon. 5, Oct.

0.8