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St Just Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit St Just.
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Climate overview of St Just
St Just, Cornwall, United Kingdom, has a moderate seasonal temperature range, with August reaching 19°C (66°F) and February cooling to 11°C (52°F).
With around 1033 mm (41 in) of annual rainfall, St Just has a notably wet climate. The wettest month is November. Sunshine peaks in May, when the city sees around 7.3 hours of sunshine per day.
St Just Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Just - and find the best time to visit.
Monthly Temperature in St Just
The weather in St Just changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 19°C (66°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).
At night, temperatures range from around 16°C (61°F) in August to 7°C (45°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in St Just
St Just is known for its substantial rainfall, with annual precipitation reaching 1033 mm (41 in). St Just experiences moderate seasonal variation in rainfall, with monthly averages ranging from 123 mm (4.8 in) in November, the wettest month, and 60 mm (2.4 in) in June, the driest month. For more details, please visit our St Just 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 St Just
St Just can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Hugh Town, the United Kingdom (51 KM, 31 Miles).
Daily hours of sunshine
Data from: Hugh Town, the United Kingdom (51 KM, 31 Miles).
Best Time to Visit St Just
Conditions in St Just are generally most comfortable in July, August and September. They are typically least comfortable in January and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
mixed
Mar
mixed
Apr
mixed
May
good
Jun
good
Jul
very good
Aug
very good
Sep
very good
Oct
mixed
Nov
mixed
Dec
wet
- Best overall: July, August and September
- Warmest weather: July, August and September
- Most sunshine: May
- Fewer rainy days: April, May, June, July and August
Frequently asked questions about the climate in St Just
What is the best time to visit St Just?
July, August and September typically offer the most optimal weather in St Just. In contrast, January and December tend to have less optimal conditions.
What temperatures can I expect in St Just?
Daytime highs range from 11°C (52°F) in February to 19°C (66°F) in August. Nighttime lows range from 7°C (45°F) to 16°C (61°F).
How much rain does St Just get?
Annual rainfall is around 1033 mm (41 in). November is the wettest month with 123 mm (4.8 in), while June is the driest with 60 mm (2.4 in).
How sunny is St Just?
St Just receives around 1,700 hours of sunshine per year. May is the sunniest month with 220 hours, while December is the cloudiest with just 55 hours.
St Just 3-Day Forecast
St Just on the map
St Just is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
16°C (61°F) Bath15°C (59°F) Torquay16°C (61°F) Manchester14°C (57°F) York15°C (59°F) Blackpool
15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
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