Slough weather
UK towns · Berkshire, England · 51.51°N 0.60°W
Slough, in Berkshire, England, has its warmest weather in August, when daytime temperatures average 22.5°C, while January nights are the coldest at around 2°C. The town sees roughly 801mm 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 | 7.8° | 2° | 62mm | 11 |
| Feb | 9.9° | 3.7° | 64mm | 12 |
| Mar | 11.2° | 3.9° | 66mm | 14 |
| Apr | 13.8° | 4.7° | 48mm | 9 |
| May | 17.4° | 8.2° | 61mm | 11 |
| Jun | 20.9° | 11.4° | 55mm | 11 |
| Jul | 22.2° | 13.4° | 69mm | 13 |
| Aug | 22.5° | 13.9° | 51mm | 9 |
| Sep | 20.2° | 11.8° | 71mm | 12 |
| Oct | 15.7° | 9° | 110mm | 16 |
| Nov | 11.2° | 5.5° | 71mm | 11 |
| Dec | 8.7° | 4° | 73mm | 13 |
Slough weather FAQs
What is the warmest month in Slough?
August is typically the warmest month in Slough, with average daytime highs of 22.5°C. Summer afternoons (June–August) average around 21.9°C.
What is the wettest month in Slough?
October is usually the wettest month, with around 110mm of rain over roughly 16 rainy days. April is typically the driest (48mm).
How much does it rain in Slough per year?
Slough receives roughly 801mm of precipitation per year, spread over about 142 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Slough?
Winter nights (December–February) in Slough average around 3.2°C, with January typically the coldest month (average low 2°C).