Rothesay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rothesay.
Climate overview of Rothesay
The climate in Rothesay, Strathclyde, United Kingdom, sees a moderate range of temperatures across the year, from 18°C (64°F) in August down to 8°C (46°F) in January.
Rainfall is high, totalling around 1689 mm (66 in) per year. January is the wettest month and May the driest. The city also experiences a distinct rainy season from October to January. May is the sunniest month, averaging 6.3 hours of sunshine per day.
Rothesay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rothesay - and find the best time to visit.
Monthly Temperature in Rothesay
The climate in Rothesay experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a moderate 18°C (64°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 12°C (54°F) in August to around 4°C (39°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rothesay
Rothesay experiences significant rainfall throughout the year, averaging 1689 mm (66 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. January brings wetter days averaging 180 mm (7.1 in) of precipitation, spread over 22 rainy days.
In contrast, the driest month May experiences a drier climate, with about 95 mm (3.7 in) of rainfall spread across 17 rainy days. For more details, please visit our Rothesay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rothesay
Seasonal changes in sunshine hours are quite dramatic in Rothesay. While May receives considerable daily sunshine with up to 6.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Rothesay by Month
The relative humidity is high throughout the year in Rothesay.
The city experiences its highest humidity in January, reaching 87%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Rothesay
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July and August
- Warmest weather: July, August and September
- Most sunshine: May
- Seasonal pattern: A distinct rainy season from October to January
Frequently asked questions about the climate in Rothesay
What is the best time to visit Rothesay?
May, July and August typically offer the most optimal weather in Rothesay. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Rothesay has a distinct rainy season from October to January.
What temperatures can I expect in Rothesay?
Daytime highs range from 8°C (46°F) in January to 18°C (64°F) in August. Nighttime lows range from 4°C (39°F) to 12°C (54°F).
How much rain does Rothesay get?
Annual rainfall is around 1689 mm (66 in). January is the wettest month with 180 mm (7.1 in), while May is the driest with 95 mm (3.7 in).
How sunny is Rothesay?
Rothesay receives around 1,290 hours of sunshine per year. May is the sunniest month with 188 hours, while January is the cloudiest with just 37 hours.
Rothesay 3-Day Forecast
Rothesay on the map
Rothesay is highlighted - select any city to see its climate.
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