Costessey Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Costessey.
Climate overview of Costessey
Costessey, Norfolk, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in August, while winters cool to 8°C (46°F) in January.
With around 735 mm (29 in) of annual rain/snowfall, the city has moderate precipitation levels. August is the wettest month and March the driest. It also has pleasant summers and cold winters. The most sunshine falls in July, with an average of 7.1 hours of daily sunshine.
Costessey Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Costessey - and find the best time to visit.
Monthly Temperature in Costessey
Depending on the time of the year, temperatures range from pleasant to chilly in Costessey. Typically, average maximum daytime temperatures range from a pleasant 22°C (72°F) in August to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 14°C (57°F) in August to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Costessey
Generally, Costessey has a moderate amount of precipitation, averaging 735 mm (29 in) of rain/snowfall annually. Precipitation levels in Costessey remain relatively steady throughout the year. August has the most rain, with 73 mm (2.9 in) over 13 days. In the driest month March, this drops slightly to 51 mm (2 in), making the city's climate fairly predictable. For more details, please visit our Costessey 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 Costessey
For those who appreciate different seasons, Costessey serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.1 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Costessey
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: June, July and August
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Costessey
What is the best time to visit Costessey?
July and August typically offer the most optimal weather in Costessey. In contrast, January, February and December tend to have less optimal conditions. Costessey has pleasant summers and cold winters.
What temperatures can I expect in Costessey?
Daytime highs range from 8°C (46°F) in January to 22°C (72°F) in August. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Costessey get?
Annual rainfall is around 735 mm (29 in). August is the wettest month with 73 mm (2.9 in), while March is the driest with 51 mm (2 in).
How sunny is Costessey?
Costessey receives around 1,650 hours of sunshine per year. July is the sunniest month with 213 hours, while December is the cloudiest with just 55 hours.
Costessey 3-Day Forecast
Costessey 3-Day Forecast
Costessey on the map
Costessey 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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