Slough Average Yearly Weather

Typically the weather in Slough provides about 15 throughout the year, with temperatures varying each month

July is when it is the hottest time and January is when its coolest so temperatures vary by about 16. Expect average temperatures to be 14 in Spring (during May – May) 22 during Summer (June to Aug) and 15 throughout Autumn and about 7 in Winter too.

MonthDegrees Celsius
January7
February7
March11
April13
May17
June20
July23
August23
September20
October15
November11
December8


When is the best time to go to Slough?

Our historical stats throughout the months and seasons helps determine the best time to visit Slough

  • Typical Average Daily Temperature: 15
  • Typical Hottest Month: July
  • Typical Coldest Month: January
  • Average Spring Temperature: 14
  • Average Summer Temperature: 22
  • Average Autumn Temperature: 15
  • Average Winter Temperature: 7