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Weather & Climate

Roscommon, Connacht, Ireland

Overview

Climate data and monthly weather averages for Roscommon.

Key Metrics

Annual Avg
9°C
Summer Avg
14.1°C
Winter Avg
4.5°C
Record High
27°C
Record Low
-7.1°C
Annual Precipitation
1260.8 mm
Avg Humidity
90%
Summer Humidity
86%
Winter Humidity
95%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan12.9°4.3°-6°118.195%2172.6
Feb13.4°4.3°-3.4°92.194%3863.4
Mar17°5.5°-3.7°90.291%7877.6
Apr19.3°7.8°-2.6°74.787%11959.2
May23.3°10.6°0.1°93.685%15063.6
Jun27°13.3°3.2°10284%14954.6
Jul26.2°14.6°110.786%13752.3
Aug26.1°14.3°5.5°11987%11651.2
Sep22.3°12.6°1.6°97.589%8571.5
Oct19.4°9.6°-1.2°117.292%5363.3
Nov15°6.7°-3.2°123.995%2564
Dec13.2°4.8°-7.1°121.895%1664.6

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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