Gloucester weather forecast
UK towns · Gloucestershire, England · 51.86°N 2.24°W
Gloucester, in Gloucestershire, England, has its warmest weather in August, when daytime temperatures average 21.7°C, while January nights are the coldest at around 2°C. The town sees roughly 872mm 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 | 7.7° | 2° | 66mm | 12 |
| Feb | 9.8° | 3.7° | 83mm | 13 |
| Mar | 10.9° | 3.9° | 71mm | 14 |
| Apr | 13.4° | 4.4° | 50mm | 10 |
| May | 16.9° | 8.2° | 66mm | 11 |
| Jun | 20.2° | 11.3° | 52mm | 11 |
| Jul | 21.3° | 13° | 76mm | 13 |
| Aug | 21.7° | 13.4° | 58mm | 12 |
| Sep | 19.4° | 11.4° | 69mm | 11 |
| Oct | 15.3° | 9.1° | 113mm | 16 |
| Nov | 11.1° | 5.4° | 71mm | 11 |
| Dec | 8.7° | 4° | 97mm | 15 |
Seasons in Gloucester
Spring (March–May). Daytime highs in Gloucester climb from 10.9°C in March to 16.9°C by May, while nights ease from 3.9°C to 8.2°C. The season brings around 187mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 21.1°C, peaking in August at 21.7°C. June is usually the driest of the summer months (52mm over ~11 rainy days). Around the June solstice, Gloucester gets roughly 16.5 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 19.4°C in September to 11.1°C by November, and rainfall builds to its annual peak — October is the wettest month of the year (113mm).
Winter (December–February). Nights average 3.2°C, with January the coldest month (average low 2°C, daytime high 7.7°C). Expect about 40 days with measurable rain over the three months, and only around 7.5 hours of daylight in mid-December.
How Gloucester compares
| Gloucester | UK town average | |
|---|---|---|
| Annual rainfall | 872mm | 1054mm |
| Rainy days per year | 149 | 167 |
| Summer daytime high | 21.1°C | 19.7°C |
| Winter night low | 3.2°C | 3.4°C |
Gloucester is about 17% drier than the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Gloucester weather FAQs
What is the warmest month in Gloucester?
August is typically the warmest month in Gloucester, with average daytime highs of 21.7°C. Summer afternoons (June–August) average around 21.1°C.
What is the wettest month in Gloucester?
October is usually the wettest month, with around 113mm of rain over roughly 16 rainy days. April is typically the driest (50mm).
How much does it rain in Gloucester per year?
Gloucester receives roughly 872mm of precipitation per year, spread over about 149 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Gloucester?
Winter nights (December–February) in Gloucester average around 3.2°C, with January typically the coldest month (average low 2°C).
When is the best time to visit Gloucester for good weather?
Late spring and summer offer the most reliable weather in Gloucester. June is typically the driest of the warm months (52mm of rain), while August is the warmest, averaging 21.7°C by day — and near the June solstice there are around 16 hours of daylight to enjoy.
How does Gloucester's weather compare with the rest of the UK?
Gloucester receives 872mm of rain a year, about 17% drier than the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 21.1°C against a UK-town average of 19.7°C, and winter nights average 3.2°C versus 3.4°C.
Is it going to rain in Gloucester?
For up-to-the-minute rain tracking, check the live rain radar — as a long-term guide, Gloucester averages 149 rainy days a year, with October the wettest month (113mm) and April the driest (50mm).
What is the 7-day forecast for Gloucester?
See the live hourly and 7-day forecast for day-by-day temperatures and rain chance. The figures on this page are long-term climate averages from 2020–2024, not the live forecast.