Climate averages 1991–2020
Basildon weather
in December.
A cold, moderately wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Basildon: daytime highs average 7.7°C and nights cool to about 3.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 55 mm of rain on roughly 11 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 55 min on an average December day.
The nearest other city in this atlas is Grays (14 km away). In December its highs average 7.8°C, about as warm as Basildon, with 56 mm of rain.
Among the 143 cities listed in the United Kingdom, Basildon ranks joint 23rd of 143 for the warmest December highs and joint 10th of 143 for the driest December (rainfall, lowest first). The mean December high of those 143 cities is 7.2°C; Basildon is 0.5°C warmer than that mean.
From December to January, average highs fall by 0.5°C to 7.2°C, and monthly rainfall falls from 55 mm to 49 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
Basildon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C3.0°C | 3.0°C | 49 | 10.8 | 8.48 h |
| February | 7.6°C2.8°C | 2.8°C | 42 | 9.4 | 9.910 h |
| March | 9.8°C4.1°C | 4.1°C | 39 | 9.7 | 11.812 h |
| April | 12.6°C5.9°C | 5.9°C | 45 | 11.1 | 13.814 h |
| May | 15.6°C8.9°C | 8.9°C | 50 | 9.7 | 15.616 h |
| June | 18.7°C11.8°C | 11.8°C | 52 | 9.5 | 16.617 h |
| July | 21.0°C14.1°C | 14.1°C | 52 | 10.3 | 16.116 h |
| August | 20.9°C14.2°C | 14.2°C | 58 | 9.9 | 14.615 h |
| September | 18.2°C12.1°C | 12.1°C | 45 | 8.7 | 12.713 h |
| October | 14.4°C9.4°C | 9.4°C | 56 | 10.5 | 10.711 h |
| November | 10.3°C5.9°C | 5.9°C | 57 | 10.6 | 8.99 h |
| December, selected | 7.7°C3.7°C | 3.7°C | 55 | 11.0 | 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
December in nearby cities
- Grays in DecemberUnited Kingdom · 14 kmHigh 7.8°C · Low 3.4°C · 56 mm rain
- Southend-on-Sea in DecemberUnited Kingdom · 18 kmHigh 7.7°C · Low 4.0°C · 74 mm rain
- Chelmsford in DecemberUnited Kingdom · 19 kmHigh 7.6°C · Low 3.3°C · 54 mm rain
- Dagenham in DecemberUnited Kingdom · 20 kmHigh 7.7°C · Low 3.4°C · 56 mm rain
- Gillingham in DecemberUnited Kingdom · 21 kmHigh 7.7°C · Low 3.5°C · 55 mm rain
- Bexley in DecemberUnited Kingdom · 26 kmHigh 7.8°C · Low 3.3°C · 56 mm rain
- Barking in DecemberUnited Kingdom · 26 kmHigh 7.7°C · Low 3.2°C · 57 mm rain
- Ilford in DecemberUnited Kingdom · 27 kmHigh 7.7°C · Low 3.3°C · 57 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 Basildon) is explained once on the Basildon year overview and on the Sources, method and limits page.
Gillingham lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.