Cairnryan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cairnryan.
Climate overview of Cairnryan
Cairnryan, Dumfries and Galloway, United Kingdom, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 17°C (63°F), while February is the coolest at 9°C (48°F).
With around 1321 mm (52 in) of annual rainfall, Cairnryan has a notably wet climate. The wettest month is October.
Cairnryan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cairnryan - and find the best time to visit.
Monthly Temperature in Cairnryan
In Cairnryan, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a moderate 17°C (63°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 13°C (55°F) in August to 5°C (41°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cairnryan
Cairnryan has a relatively rainy climate with high precipitation levels, averaging 1321 mm (52 in) of rainfall annually. Cairnryan experiences moderate seasonal variation in rainfall, with monthly averages ranging from 146 mm (5.7 in) in October, the wettest month, and 75 mm (3 in) in May, the driest month. For more details, please visit our Cairnryan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Cairnryan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and July
- Warmest weather: July, August and September
Frequently asked questions about the climate in Cairnryan
What is the best time to visit Cairnryan?
June and July typically offer the most optimal weather in Cairnryan. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Cairnryan?
Daytime highs range from 9°C (48°F) in February to 17°C (63°F) in August. Nighttime lows range from 5°C (41°F) to 13°C (55°F).
How much rain does Cairnryan get?
Annual rainfall is around 1321 mm (52 in). October is the wettest month with 146 mm (5.7 in), while May is the driest with 75 mm (3 in).
Cairnryan 3-Day Forecast
Cairnryan on the map
Cairnryan is highlighted - select any city to see its climate.
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