Climate averages 1991–2020
Norwich weather
in August.
A mild, moderately wet month: one of the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Norwich: daytime highs average 20.7°C and nights cool to about 13.7°C. By daytime temperature it is one of the warmest months of the year.
Expect about 67 mm of rain on roughly 12 days, which makes August a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 43 min on an average August day.
The nearest other city in this atlas is Lowestoft (35 km away). In August its highs average 19.2°C, 1.5°C cooler than Norwich, with 64 mm of rain.
Among the 143 cities listed in the United Kingdom, Norwich ranks joint 36th of 143 for the warmest August highs and joint 82nd of 143 for the driest August (rainfall, lowest first). The mean August high of those 143 cities is 19.7°C; Norwich is 1.0°C warmer than that mean.
From August to September, average highs fall by 2.7°C to 18.0°C, and monthly rainfall falls from 67 mm to 58 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
Norwich climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.0°C2.5°C | 2.5°C | 50 | 11.8 | 8.28 h |
| February | 7.5°C2.3°C | 2.3°C | 42 | 10.2 | 9.810 h |
| March | 9.6°C3.4°C | 3.4°C | 45 | 11.0 | 11.812 h |
| April | 12.3°C5.2°C | 5.2°C | 43 | 10.5 | 13.914 h |
| May | 15.3°C8.3°C | 8.3°C | 51 | 10.7 | 15.716 h |
| June | 18.3°C11.2°C | 11.2°C | 63 | 11.4 | 16.817 h |
| July | 20.7°C13.5°C | 13.5°C | 65 | 12.2 | 16.316 h |
| August, selected | 20.7°C13.7°C | 13.7°C | 67 | 11.6 | 14.715 h |
| September | 18.0°C11.6°C | 11.6°C | 58 | 10.4 | 12.713 h |
| October | 14.2°C8.9°C | 8.9°C | 64 | 11.9 | 10.711 h |
| November | 10.1°C5.4°C | 5.4°C | 58 | 12.0 | 8.89 h |
| December | 7.4°C3.2°C | 3.2°C | 53 | 11.5 | 7.78 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
- Lowestoft in AugustUnited Kingdom · 35 kmHigh 19.2°C · Low 15.1°C · 64 mm rain
- Ipswich in AugustUnited Kingdom · 64 kmHigh 20.8°C · Low 14.2°C · 62 mm rain
- Colchester in AugustUnited Kingdom · 86 kmHigh 20.7°C · Low 14.4°C · 64 mm rain
- Cambridge, United Kingdom in AugustUnited Kingdom · 93 kmHigh 21.4°C · Low 13.4°C · 61 mm rain
- Peterborough, United Kingdom in AugustUnited Kingdom · 105 kmHigh 21.1°C · Low 13.1°C · 63 mm rain
- Chelmsford in AugustUnited Kingdom · 114 kmHigh 21.1°C · Low 13.9°C · 59 mm rain
- Harlow in AugustUnited Kingdom · 124 kmHigh 21.1°C · Low 13.2°C · 63 mm rain
- Southend-on-Sea in AugustUnited Kingdom · 128 kmHigh 20.8°C · Low 14.6°C · 63 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 Norwich) is explained once on the Norwich year overview and on the Sources, method and limits page.