Climate Insights for Carrick-on-Shannon

County Leitrim, Connacht, Ireland

Hottest
July
18°C peak
Coldest
January
3°C low
Wettest
August
126mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Carrick-on-Shannon is cool. The average annual temperature is 10°C and approximately 1219mm of precipitation falls per year. Carrick-on-Shannon receives a notable amount of rainfall throughout the year, including during its driest month. Carrick-on-Shannon is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to 3°C. Light snow can occur between January and December.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 7° Average: 5° Min: 3° Feb Max: 8° Average: 6° Min: 3° Mar Max: 9° Average: 6° Min: 3° Apr Max: 12° Average: 8° Min: 5° May Max: 15° Average: 11° Min: 8° Jun Max: 17° Average: 14° Min: 10° Jul Max: 18° Average: 15° Min: 12° Aug Max: 18° Average: 15° Min: 12° Sep Max: 16° Average: 13° Min: 10° Oct Max: 13° Average: 10° Min: 8° Nov Max: 10° Average: 7° Min: 5° Dec Max: 8° Average: 6° Min: 4°
Max
Average
Min

Carrick-on-Shannon sees moderate temperature variation throughout the year, ranging from 3°C to 18°C. July is the warmest month, though highs remain moderate at 18°C with a mean of 15°C. January is the coolest month, with minimum temperatures around 3°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 96mm Snow: 4mm Feb Precipitation: 105mm Snow: 5mm Mar Precipitation: 105mm Snow: 3mm Apr Precipitation: 74mm Snow: 1mm May Precipitation: 86mm Snow: 0mm Jun Precipitation: 96mm Snow: 0mm Jul Precipitation: 106mm Snow: 0mm Aug Precipitation: 126mm Snow: 0mm Sep Precipitation: 89mm Snow: 0mm Oct Precipitation: 112mm Snow: 0mm Nov Precipitation: 103mm Snow: 1mm Dec Precipitation: 121mm Snow: 3mm
Precipitation
Snow

Carrick-on-Shannon is a fairly wet location, receiving approximately 1219mm of precipitation annually, which averages out to around 102mm per month. The wettest month is August, averaging 126mm of rainfall. December and October also tend to see above-average precipitation. The driest month is April, with just 74mm. That's 52mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 16cm annually. February is the snowiest month with approximately 5cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 23km/h Mar Wind Speed: 21km/h Apr Wind Speed: 19km/h May Wind Speed: 18km/h Jun Wind Speed: 17km/h Jul Wind Speed: 17km/h Aug Wind Speed: 18km/h Sep Wind Speed: 18km/h Oct Wind Speed: 20km/h Nov Wind Speed: 20km/h Dec Wind Speed: 21km/h
Wind Speed

Carrick-on-Shannon is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 19km/h in spring, 17km/h in summer, 19km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Carrick-on-Shannon, which began on March 20, 2026. Carrick-on-Shannon is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 18°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 3 to 15°C. Precipitation is moderate at around 265mm for the season, averaging 88mm per month. Winds are moderate at around 19km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 328mm across the season with a monthly average of 109mm. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 305mm across the season with a monthly average of 102mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 3 to 8°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Expect around 11cm of snow accumulation during this period. Winds are moderate at around 22km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Carrick-on-Shannon based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C
7 °C
21 km/h
96 mm
4 cm
Feb
3 °C
8 °C
23 km/h
105 mm
5 cm
Mar Current
3 °C
9 °C
21 km/h
105 mm
3 cm
Apr
5 °C
12 °C
19 km/h
74 mm
1 cm
May
8 °C
15 °C
18 km/h
86 mm
0 cm
Jun
10 °C
17 °C
17 km/h
96 mm
0 cm
Jul
12 °C
18 °C
17 km/h
106 mm
0 cm
Aug
12 °C
18 °C
18 km/h
126 mm
0 cm
Sep
10 °C
16 °C
18 km/h
89 mm
0 cm
Oct
8 °C
13 °C
20 km/h
112 mm
0 cm
Nov
5 °C
10 °C
20 km/h
103 mm
1 cm
Dec
4 °C
8 °C
21 km/h
121 mm
3 cm
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Metric (°C, km/h)