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The best time to visit Watford

Month-by-month climate averages for Watford, England, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Watford is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest September rain is behind you.

Watford is warmest in August (highs near 22°C) and coldest in January (lows around 2°C), with roughly 913 mm of precipitation across the year and September the wettest month. The sweet spot for most visitors is May, June, July and August.

These are long-run averages. For the actual days you are travelling, check the live Watford forecast — and note how much the models agree, because that tells you how much to trust it.

Watford weather by month

what to expect in Watford through the year

Here is Watford's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Watford by season.

Jan
8°
2°
Cool
Feb
10°
4°
Cool
Mar
11°
4°
Cool
Apr
13°
5°
Cool
May
17°
9°
Mild
Jun
21°
11°
Mild
Jul
21°
13°
Mild
Aug
22°
13°
Warm
Sep
20°
12°
Mild
Wettest
Oct
15°
9°
Mild
Nov
10°
5°
Cool
Dec
9°
5°
Cool

Common questions

When is the best time to visit Watford?
The most comfortable time to visit Watford is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest September rain is behind you.
What is the warmest month in Watford?
August is the warmest month in Watford, averaging highs near 22°C.
What is the coldest month in Watford?
January is the coldest month in Watford, with lows around 2°C.
When is the rainy season in Watford?
The wettest month in Watford is usually September, out of roughly 913 mm of precipitation across the year.

Watford month by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember