Chalfont Saint Giles Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chalfont Saint Giles.
Climate overview of Chalfont Saint Giles
Temperatures in Chalfont Saint Giles, Buckinghamshire, United Kingdom, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 9°C (48°F).
With around 726 mm (29 in) of annual rain/snowfall, the city has moderate precipitation levels. November is the wettest month and March the driest. It also has warm summers and cold winters. The most sunshine falls in July, with an average of 7.3 hours of daily sunshine.
Chalfont Saint Giles Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chalfont Saint Giles - and find the best time to visit.
Monthly Temperature in Chalfont Saint Giles
The climate in Chalfont Saint Giles is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 13°C (55°F) in July 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 Chalfont Saint Giles
Generally, Chalfont Saint Giles receives mid-range precipitation levels, with 726 mm (29 in) annually. Precipitation levels in Chalfont Saint Giles remain relatively steady throughout the year. November has the most rain, with 68 mm (2.7 in) over 16 days. In the driest month March, this drops slightly to 49 mm (1.9 in), making the city's climate fairly predictable. For more details, please visit our Chalfont Saint Giles 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 Chalfont Saint Giles
For those who appreciate different seasons, Chalfont Saint Giles serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.3 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
Daily percentage of sunshine
Humidity in Chalfont Saint Giles by Month
The relative humidity is high throughout the year in Chalfont Saint Giles.
The city experiences its highest humidity in November, reaching 81%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Chalfont Saint Giles
The mean wind speed over the year ranges from 3 m/s (6 knots) in May, June, July, August, September, October and November to 4 m/s (8 knots) in January, February, March, April and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Chalfont Saint Giles
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: May and July
- Fewer rainy days: February, June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Chalfont Saint Giles
What is the best time to visit Chalfont Saint Giles?
June, July, August and September typically offer the most optimal weather in Chalfont Saint Giles. In contrast, January, February and December tend to have less optimal conditions. Chalfont Saint Giles has warm summers and cold winters.
What temperatures can I expect in Chalfont Saint Giles?
Daytime highs range from 9°C (48°F) in January to 23°C (73°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 Chalfont Saint Giles get?
Annual rainfall is around 726 mm (29 in). November is the wettest month with 68 mm (2.7 in), while March is the driest with 49 mm (1.9 in).
How sunny is Chalfont Saint Giles?
Chalfont Saint Giles receives around 1,675 hours of sunshine per year. July is the sunniest month with 219 hours, while December is the cloudiest with just 54 hours.
Chalfont Saint Giles 3-Day Forecast
Chalfont Saint Giles 3-Day Forecast
Chalfont Saint Giles on the map
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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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