Colchester weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: August
What is the weather like in Colchester in October?
In October, Colchester is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 69 mm in total. All in all, October is not an ideal month for a holiday in Colchester.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 21 | 11 | 10 |
| Day | 18° | 15° | 10° |
| Night | 13° | 10° | 6° |
| Sea | 18° | 15° | 12° |
| Sun | 5 h | 4 h | 2 h |
| Rain days | 10 | 12 | 11 |
More details for October
- Daylight
- 10 h 46 min07:19 – 18:05
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/London
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 20 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Colchester in October: quick answers
Is Colchester hot in October?
No. In October, Colchester is cool: daytime highs average 15 °C and nights drop to about 10 °C.
Can you swim in Colchester in October?
Only if you don't mind cold water: in October the sea averages just 15.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Colchester in October?
Rain is frequent, with about 12 rainy days and 69 mm in total.
Colchester month by month
The whole year in ColchesterAll destinations: United KingdomWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences