Watford weather
UK towns · Hertfordshire, England · 51.66°N 0.39°W
Watford, in Hertfordshire, England, has its warmest weather in August, when daytime temperatures average 22°C, while January nights are the coldest at around 1.8°C. The town sees roughly 823mm of rain a year; October is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 7.5° | 1.8° | 69mm | 12 |
| Feb | 9.5° | 3.4° | 67mm | 12 |
| Mar | 10.7° | 3.8° | 67mm | 13 |
| Apr | 13.4° | 4.5° | 43mm | 9 |
| May | 17° | 8.1° | 65mm | 11 |
| Jun | 20.6° | 11.2° | 56mm | 11 |
| Jul | 21.7° | 13.2° | 70mm | 13 |
| Aug | 22° | 13.6° | 55mm | 9 |
| Sep | 19.7° | 11.7° | 70mm | 11 |
| Oct | 15.3° | 8.9° | 110mm | 15 |
| Nov | 10.8° | 5.3° | 73mm | 11 |
| Dec | 8.3° | 3.8° | 78mm | 13 |
Watford weather FAQs
What is the warmest month in Watford?
August is typically the warmest month in Watford, with average daytime highs of 22°C. Summer afternoons (June–August) average around 21.4°C.
What is the wettest month in Watford?
October is usually the wettest month, with around 110mm of rain over roughly 15 rainy days. April is typically the driest (43mm).
How much does it rain in Watford per year?
Watford receives roughly 823mm of precipitation per year, spread over about 140 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Watford?
Winter nights (December–February) in Watford average around 3.0°C, with January typically the coldest month (average low 1.8°C).