Sudbury Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sudbury.
Climate overview of Sudbury
Temperatures in Sudbury, Suffolk, United Kingdom, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 8°C (46°F).
Sudbury sees a moderate amount of rain/snowfall, totalling around 694 mm (27 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. Sunshine peaks in July, when the city sees around 7.0 hours of sunshine per day.
Sudbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sudbury - and find the best time to visit.
Monthly Temperature in Sudbury
The climate in Sudbury is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, 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 14°C (57°F) in July to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sudbury
Generally, Sudbury receives mid-range precipitation levels, with 694 mm (27 in) annually. Year-round, Sudbury has a balanced climate with minimal variation in precipitation. The difference between the wettest month, August, with 68 mm (2.7 in), and the driest month, March, with 46 mm (1.8 in), is minimal. For more details, please visit our Sudbury 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 Sudbury
Seasonal changes in sunshine hours are quite dramatic in Sudbury. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Sudbury
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Sudbury
What is the best time to visit Sudbury?
June, July, August and September typically offer the most optimal weather in Sudbury. In contrast, January, February and December tend to have less optimal conditions. Sudbury has warm summers and cold winters.
What temperatures can I expect in Sudbury?
Daytime highs range from 8°C (46°F) in January to 23°C (73°F) in July. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Sudbury get?
Annual rainfall is around 694 mm (27 in). August is the wettest month with 68 mm (2.7 in), while March is the driest with 46 mm (1.8 in).
How sunny is Sudbury?
Sudbury receives around 1,609 hours of sunshine per year. July is the sunniest month with 211 hours, while December is the cloudiest with just 49 hours.
Sudbury 3-Day Forecast
Sudbury 3-Day Forecast
Sudbury on the map
Sudbury is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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