City break

Watford weather in May

Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

68

Holiday weather in May

Good

Best time to visit: May – September

What is the weather like in Watford in May?

In May, Watford is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 57 mm in total. All in all, May is a good month for a holiday in Watford.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score506880
Day13°16°19°
Night5°8°11°
Sun6 h7 h7 h
Rain days111110

More details for May

Daylight
15 h 35 min05:10 – 20:45
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
67 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+1Europe/London

How the score comes together

  • Temperatureweight 50 %82 %
  • Sunshineweight 20 %62 %
  • Few rainy daysweight 30 %50 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Watford in May: quick answers

Is Watford hot in May?

No. In May, Watford is mild: daytime highs average 16 °C and nights drop to about 8 °C.

Does it rain much in Watford in May?

Rain is frequent, with about 11 rainy days and 57 mm in total.

Watford month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences