Climate averages 1991–2020
Cheltenham weather
in August.
A mild, moderately wet month: the 2nd warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Cheltenham: daytime highs average 20.3°C and nights cool to about 12.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 62 mm of rain on roughly 11 days, which makes August a moderately wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 39 min on an average August day.
The nearest other city in this atlas is Gloucester, United Kingdom (12 km away). In August its highs average 20.5°C, about as warm as Cheltenham, with 63 mm of rain.
Among the 143 cities listed in the United Kingdom, Cheltenham ranks 53rd of 143 for the warmest August highs and joint 30th of 143 for the driest August (rainfall, lowest first). The mean August high of those 143 cities is 19.7°C; Cheltenham is 0.6°C warmer than that mean.
From August to September, average highs fall by 2.5°C to 17.9°C, and monthly rainfall falls from 62 mm to 57 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cheltenham climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C2.2°C | 2.2°C | 57 | 11.3 | 8.38 h |
| February | 7.8°C2.0°C | 2.0°C | 46 | 9.9 | 9.910 h |
| March | 10.1°C3.1°C | 3.1°C | 50 | 10.6 | 11.812 h |
| April | 12.8°C4.7°C | 4.7°C | 56 | 11.7 | 13.914 h |
| May | 15.8°C7.7°C | 7.7°C | 63 | 11.3 | 15.616 h |
| June | 18.6°C10.7°C | 10.7°C | 62 | 11.0 | 16.617 h |
| July | 20.7°C12.8°C | 12.8°C | 62 | 11.0 | 16.216 h |
| August, selected | 20.3°C12.8°C | 12.8°C | 62 | 10.7 | 14.715 h |
| September | 17.9°C10.7°C | 10.7°C | 57 | 9.1 | 12.713 h |
| October | 14.0°C8.0°C | 8.0°C | 67 | 11.5 | 10.711 h |
| November | 10.0°C4.9°C | 4.9°C | 67 | 12.0 | 8.99 h |
| December | 7.5°C2.7°C | 2.7°C | 62 | 11.5 | 7.98 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Gloucester, United Kingdom in AugustUnited Kingdom · 12 kmHigh 20.5°C · Low 12.9°C · 63 mm rain
- Worcester, United Kingdom in AugustUnited Kingdom · 34 kmHigh 20.5°C · Low 12.7°C · 58 mm rain
- Swindon in AugustUnited Kingdom · 43 kmHigh 20.2°C · Low 12.5°C · 65 mm rain
- Redditch in AugustUnited Kingdom · 46 kmHigh 19.9°C · Low 12.2°C · 59 mm rain
- Oxford in AugustUnited Kingdom · 59 kmHigh 20.5°C · Low 12.8°C · 61 mm rain
- Solihull in AugustUnited Kingdom · 61 kmHigh 19.8°C · Low 12.3°C · 62 mm rain
- Bristol in AugustUnited Kingdom · 61 kmHigh 20.1°C · Low 13.1°C · 69 mm rain
- Bath in AugustUnited Kingdom · 62 kmHigh 19.8°C · Low 12.6°C · 67 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cheltenham) is explained once on the Cheltenham year overview and on the Sources, method and limits page.