Climate averages 1991–2020
Norwich weather
in May.
A mild, moderately wet month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Norwich: daytime highs average 15.3°C and nights cool to about 8.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 51 mm of rain on roughly 11 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 44 min on an average May day.
The nearest other city in this atlas is Lowestoft (35 km away). In May its highs average 13.2°C, 2.1°C cooler than Norwich, with 48 mm of rain.
Among the 143 cities listed in the United Kingdom, Norwich ranks joint 68th of 143 for the warmest May highs and joint 21st of 143 for the driest May (rainfall, lowest first). The mean May high of those 143 cities is 15.2°C; Norwich is 0.1°C warmer than that mean.
From May to June, average highs rise by 3.0°C to 18.3°C, and monthly rainfall rises from 51 mm to 63 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Lowestoft in MayUnited Kingdom · 35 kmHigh 13.2°C · Low 9.3°C · 48 mm rain
- Ipswich in MayUnited Kingdom · 64 kmHigh 15.4°C · Low 8.7°C · 51 mm rain
- Colchester in MayUnited Kingdom · 86 kmHigh 15.3°C · Low 8.9°C · 53 mm rain
- Cambridge, United Kingdom in MayUnited Kingdom · 93 kmHigh 16.2°C · Low 8.0°C · 54 mm rain
- Peterborough, United Kingdom in MayUnited Kingdom · 105 kmHigh 16.0°C · Low 7.9°C · 53 mm rain
- Chelmsford in MayUnited Kingdom · 114 kmHigh 15.8°C · Low 8.6°C · 51 mm rain
- Harlow in MayUnited Kingdom · 124 kmHigh 16.1°C · Low 7.9°C · 54 mm rain
- Southend-on-Sea in MayUnited Kingdom · 128 kmHigh 15.5°C · Low 9.3°C · 53 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.