Climate averages 1991–2020
Ipswich weather
in December.
A cold, moderately wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Ipswich: daytime highs average 7.5°C and nights cool to about 3.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 65 mm of rain on roughly 12 days, which makes December a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 50 min on an average December day.
The nearest other city in this atlas is Colchester (26 km away). In December its highs average 7.6°C, about as warm as Ipswich, with 62 mm of rain.
Among the 143 cities listed in the United Kingdom, Ipswich ranks joint 40th of 143 for the warmest December highs and joint 75th of 143 for the driest December (rainfall, lowest first). The mean December high of those 143 cities is 7.2°C; Ipswich is 0.4°C warmer than that mean.
From December to January, average highs fall by 0.5°C to 7.0°C, and monthly rainfall falls from 65 mm to 60 mm.
The annual picture
December 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
Ipswich climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.0°C2.8°C | 2.8°C | 60 | 12.1 | 8.38 h |
| February | 7.4°C2.6°C | 2.6°C | 48 | 9.9 | 9.910 h |
| March | 9.6°C3.8°C | 3.8°C | 43 | 10.1 | 11.812 h |
| April | 12.3°C5.7°C | 5.7°C | 41 | 9.3 | 13.914 h |
| May | 15.4°C8.7°C | 8.7°C | 51 | 9.7 | 15.716 h |
| June | 18.3°C11.6°C | 11.6°C | 53 | 10.2 | 16.617 h |
| July | 20.8°C14.0°C | 14.0°C | 57 | 11.4 | 16.216 h |
| August | 20.8°C14.2°C | 14.2°C | 62 | 10.3 | 14.715 h |
| September | 18.1°C12.1°C | 12.1°C | 54 | 9.9 | 12.713 h |
| October | 14.3°C9.3°C | 9.3°C | 67 | 11.7 | 10.711 h |
| November | 10.2°C5.8°C | 5.8°C | 64 | 11.8 | 8.99 h |
| December, selected | 7.5°C3.5°C | 3.5°C | 65 | 12.1 | 7.88 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
December in nearby cities
- Colchester in DecemberUnited Kingdom · 26 kmHigh 7.6°C · Low 3.7°C · 62 mm rain
- Chelmsford in DecemberUnited Kingdom · 59 kmHigh 7.6°C · Low 3.3°C · 54 mm rain
- Lowestoft in DecemberUnited Kingdom · 62 kmHigh 7.7°C · Low 4.7°C · 72 mm rain
- Norwich in DecemberUnited Kingdom · 64 kmHigh 7.4°C · Low 3.2°C · 53 mm rain
- Southend-on-Sea in DecemberUnited Kingdom · 65 kmHigh 7.7°C · Low 4.0°C · 74 mm rain
- Cambridge, United Kingdom in DecemberUnited Kingdom · 73 kmHigh 7.4°C · Low 2.8°C · 52 mm rain
- Basildon in DecemberUnited Kingdom · 73 kmHigh 7.7°C · Low 3.7°C · 55 mm rain
- Harlow in DecemberUnited Kingdom · 78 kmHigh 7.3°C · Low 2.6°C · 55 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 Ipswich) is explained once on the Ipswich year overview and on the Sources, method and limits page.