Gunnislake Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gunnislake.
Climate overview of Gunnislake
Gunnislake, Cornwall, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 21°C (70°F) in July, while winters cool to 9°C (48°F) in January.
The city has a wet climate, receiving around 1019 mm (40 in) of rainfall per year. Despite the high annual total, it has pleasant summers and cold winters. December is the wettest month. May is the sunniest month, averaging 7.4 hours of sunshine per day.
Gunnislake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gunnislake - and find the best time to visit.
Monthly Temperature in Gunnislake
Depending on the time of the year, temperatures range from pleasant to chilly in Gunnislake. On average, daytime temperatures range from a pleasant 21°C (70°F) in July to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gunnislake
Gunnislake has a relatively rainy climate with high precipitation levels, averaging 1019 mm (40 in) of rainfall annually. The wettest period in Gunnislake occurs in December, which receives around 99 mm (3.9 in) of precipitation. During the driest month, September, Gunnislake experiences moderate rainfall, totaling 70 mm (2.8 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Gunnislake 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 Gunnislake
In Gunnislake, summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Gunnislake by Month
The city experiences its highest humidity in January, reaching 86%. In May, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Gunnislake
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Gunnislake
What is the best time to visit Gunnislake?
July and August typically offer the most optimal weather in Gunnislake. In contrast, January, February and December tend to have less optimal conditions. Gunnislake has pleasant summers and cold winters.
What temperatures can I expect in Gunnislake?
Daytime highs range from 9°C (48°F) in January to 21°C (70°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Gunnislake get?
Annual rainfall is around 1019 mm (40 in). December is the wettest month with 99 mm (3.9 in), while September is the driest with 70 mm (2.8 in).
How sunny is Gunnislake?
Gunnislake receives around 1,729 hours of sunshine per year. May is the sunniest month with 222 hours, while December is the cloudiest with just 55 hours.
Gunnislake 3-Day Forecast
Gunnislake on the map
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