Watford Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Watford. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 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

Generally, Watford has a moderate amount of precipitation, averaging 722 mm (28 in) of rain/snowfall annually. Despite minor fluctuations, Watford enjoys fairly consistent precipitation throughout the year. In August, you can expect around 68 mm (2.7 in) of precipitation, while in March, Watford receives about 49 mm (1.9 in). For more details, please visit our Watford Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Watford can be enjoyed more throughout the sunniest month of July 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

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Watford.

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

The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in May, June, July, August, September, October and November and higher in January, February, March, April and December. What does this mean?

The mean monthly wind speed over the year (meters per second)