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Gloucester Weather by Month
Average temperatures, rainfall and humidity for Gloucester, United Kingdom, month by month, built from OpenWeather’s historical records. Use it to see what a typical Gloucester month looks like before you travel — then check the live Gloucester forecast for the days ahead.
Warmest month
July
23°C average high
Coolest month
January
3°C average low
Wettest month
December
318 mm of rain
Driest month
July
61 mm of rain
Average temperature and rainfall in Gloucester by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 8°C | 3°C | -5°C / 14°C | 132 mm | 88% | 13 km/h |
| February | 9°C | 3°C | -6°C / 17°C | 141 mm | 85% | 15 km/h |
| March | 11°C | 4°C | -6°C / 21°C | 78 mm | 81% | 15 km/h |
| April | 14°C | 5°C | -4°C / 25°C | 73 mm | 74% | 12 km/h |
| May | 17°C | 8°C | 0°C / 32°C | 74 mm | 74% | 12 km/h |
| June | 20°C | 12°C | 6°C / 35°C | 65 mm | 74% | 11 km/h |
| July | 23°C | 13°C | 6°C / 36°C | 61 mm | 73% | 11 km/h |
| August | 22°C | 13°C | 5°C / 37°C | 75 mm | 76% | 11 km/h |
| September | 19°C | 11°C | 3°C / 30°C | 66 mm | 80% | 11 km/h |
| October | 15°C | 9°C | -1°C / 24°C | 96 mm | 85% | 13 km/h |
| November | 11°C | 5°C | -5°C / 18°C | 114 mm | 88% | 13 km/h |
| December | 9°C | 5°C | -6°C / 15°C | 318 mm | 89% | 14 km/h |
Best time to visit Gloucester
The most comfortable time to visit Gloucester is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 1,293 mm a year.
Travellers who prefer heat should aim for July, when highs average 23°C. December is the month to avoid if rain would spoil your plans — it averages 318 mm, roughly 5× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Gloucester forecast for what is happening now.
Weather across United Kingdom right now
- Barnet10°C
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