Colchester weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Poor
Best time to visit: August
What is the weather like in Colchester in July?
In July, Colchester is mild: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 61 mm in total. All in all, July is not an ideal month for a holiday in Colchester.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 16 h 17 min04:54 – 21:11
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 63 %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 %30 %
- Seaweight 25 %6 %
- Sunshineweight 20 %65 %
- Few rainy daysweight 20 %40 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Colchester in July: quick answers
Is Colchester hot in July?
No. In July, Colchester is mild: daytime highs average 21 °C and nights drop to about 14 °C.
Can you swim in Colchester in July?
Only if you don't mind cold water: in July the sea averages just 17.4 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Colchester in July?
Rain is frequent, with about 12 rainy days and 61 mm in total.
Colchester month by month
The whole year in ColchesterAll destinations: United KingdomWhere to go in JulySea temperature in July
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