Colchester weather in July
In July, Colchester sees average daytime highs of 20°C and overnight lows near 14°C, with 58 mm of rain across 11.8 wet days and about 16 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 19% of the time in July, and the air most often feels dry.
Daylight stretches from about 16 h 24 min at the start of July to 15 h 24 min by month's end. Set against the rest of the year, July is Colchester's 1st-clearest and 12th-windiest month. For the whole year in context, see Colchester's year-round climate.
- Daytime high
- 20°
- 2nd warmest
- Overnight low
- 14°
- 11th coldest
- Rainfall
- 58 mm
- 11.8 wet days
- Daylight
- 16 hours
- 4:01 AM – 8:03 PM
- Cloud cover
- 64%
- 1st clearest
- Wind
- 15 km/h
- 12th windiest
- Solar energy
- 5.3 kWh/m²
- Travel score
- 6.1
- out of 10
Colchester is city in Essex, England, UK.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 19°C in the first days to 21°C by the end.
A typical July day in Colchester reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 19 | 13 |
| 2 | 19 | 13 |
| 3 | 20 | 13 |
| 4 | 20 | 13 |
| 5 | 20 | 14 |
| 6 | 20 | 14 |
| 7 | 20 | 14 |
| 8 | 20 | 14 |
| 9 | 20 | 14 |
| 10 | 20 | 14 |
| 11 | 20 | 14 |
| 12 | 20 | 14 |
| 13 | 20 | 14 |
| 14 | 20 | 14 |
| 15 | 20 | 14 |
| 16 | 20 | 14 |
| 17 | 21 | 14 |
| 18 | 21 | 14 |
| 19 | 21 | 14 |
| 20 | 21 | 14 |
| 21 | 21 | 15 |
| 22 | 21 | 15 |
| 23 | 21 | 15 |
| 24 | 21 | 15 |
| 25 | 21 | 15 |
| 26 | 21 | 15 |
| 27 | 21 | 15 |
| 28 | 21 | 15 |
| 29 | 21 | 15 |
| 30 | 21 | 15 |
| 31 | 21 | 15 |
How July really feels in Colchester
Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Colchester weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 3° | 57 | 12.1 | 0.9 | 8.1 | 0.8 |
| Feb | 7° / 3° | 46 | 9.7 | 1.1 | 9.6 | 0.9 |
| Mar | 9° / 4° | 43 | 10.2 | 0.6 | 11.5 | 1.9 |
| Apr | 12° / 6° | 45 | 10.4 | 0 | 13.6 | 3.0 |
| May | 15° / 9° | 53 | 10 | 0 | 15.4 | 4.4 |
| Jun | 18° / 12° | 57 | 10.9 | 0 | 16.4 | 5.5 |
| Jul | 20° / 14° | 58 | 11.8 | 0 | 16 | 6.1 |
| Aug | 21° / 14° | 64 | 10.7 | 0 | 14.4 | 6.2 |
| Sep | 18° / 12° | 52 | 10.3 | 0 | 12.4 | 5.6 |
| Oct | 14° / 9° | 64 | 11.4 | 0 | 10.4 | 3.9 |
| Nov | 10° / 6° | 61 | 11.1 | 0.2 | 8.6 | 2.2 |
| Dec | 8° / 4° | 62 | 11.6 | 0.8 | 7.6 | 1.1 |
Cloud cover in July
The sky is clear or mostly clear about 19% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 61%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 37 | 37 | 37 | 38 | 37 | 37 | 38 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 40 | 41 | 41 | 42 | 42 | 42 | 40 | 40 | 40 | 41 | 41 | 41 | 40 | 40 |
| Cloudier (%) | 63 | 63 | 63 | 62 | 63 | 63 | 62 | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 60 | 59 | 59 | 58 | 58 | 58 | 60 | 60 | 60 | 59 | 59 | 59 | 60 | 60 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 37 | 63 |
| 2 | 37 | 63 |
| 3 | 37 | 63 |
| 4 | 38 | 62 |
| 5 | 37 | 63 |
| 6 | 37 | 63 |
| 7 | 38 | 62 |
| 8 | 37 | 63 |
| 9 | 37 | 63 |
| 10 | 38 | 62 |
| 11 | 38 | 62 |
| 12 | 38 | 62 |
| 13 | 39 | 61 |
| 14 | 39 | 61 |
| 15 | 39 | 61 |
| 16 | 39 | 61 |
| 17 | 39 | 61 |
| 18 | 40 | 60 |
| 19 | 41 | 59 |
| 20 | 41 | 59 |
| 21 | 42 | 58 |
| 22 | 42 | 58 |
| 23 | 42 | 58 |
| 24 | 40 | 60 |
| 25 | 40 | 60 |
| 26 | 40 | 60 |
| 27 | 41 | 59 |
| 28 | 41 | 59 |
| 29 | 41 | 59 |
| 30 | 40 | 60 |
| 31 | 40 | 60 |
Chance of precipitation in July
Colchester gets around 58 mm of rain over 11.8 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 38 | 39 | 39 | 39 | 39 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 39 |
| 3 | 39 |
| 4 | 39 |
| 5 | 39 |
| 6 | 40 |
| 7 | 40 |
| 8 | 39 |
| 9 | 39 |
| 10 | 39 |
| 11 | 39 |
| 12 | 38 |
| 13 | 38 |
| 14 | 37 |
| 15 | 37 |
| 16 | 36 |
| 17 | 36 |
| 18 | 36 |
| 19 | 35 |
| 20 | 35 |
| 21 | 35 |
| 22 | 35 |
| 23 | 36 |
| 24 | 36 |
| 25 | 36 |
| 26 | 36 |
| 27 | 36 |
| 28 | 36 |
| 29 | 36 |
| 30 | 36 |
| 31 | 36 |
Humidity in July
Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the dry band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 62 | 60 | 59 | 58 | 57 | 56 | 55 | 53 | 53 | 52 | 52 | 50 | 50 | 49 | 49 | 48 | 47 | 46 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 39 | 38 | 38 | 38 | 37 |
| Comfortable (%) | 32 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 44 | 44 | 45 | 45 | 45 | 45 | 45 |
| Humid (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 62 | 32 | 6 |
| 2 | 60 | 34 | 6 |
| 3 | 59 | 35 | 6 |
| 4 | 58 | 36 | 6 |
| 5 | 57 | 37 | 6 |
| 6 | 56 | 38 | 6 |
| 7 | 55 | 39 | 6 |
| 8 | 53 | 40 | 7 |
| 9 | 53 | 40 | 7 |
| 10 | 52 | 41 | 7 |
| 11 | 52 | 41 | 7 |
| 12 | 50 | 42 | 8 |
| 13 | 50 | 42 | 8 |
| 14 | 49 | 42 | 9 |
| 15 | 49 | 42 | 9 |
| 16 | 48 | 42 | 10 |
| 17 | 47 | 42 | 11 |
| 18 | 46 | 42 | 12 |
| 19 | 46 | 42 | 13 |
| 20 | 45 | 42 | 13 |
| 21 | 44 | 42 | 14 |
| 22 | 43 | 42 | 15 |
| 23 | 42 | 43 | 15 |
| 24 | 41 | 43 | 16 |
| 25 | 40 | 44 | 16 |
| 26 | 39 | 44 | 16 |
| 27 | 39 | 45 | 16 |
| 28 | 38 | 45 | 17 |
| 29 | 38 | 45 | 17 |
| 30 | 38 | 45 | 17 |
| 31 | 37 | 45 | 17 |
Wind in July
Winds average 15 km/h in July, the calmest month.
Across July, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in July
Daylight runs from about 16 h 24 min at the start of July to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 60 minutes over July. Sunrise moves from 3:47 AM to 4:22 AM, and sunset from 8:12 PM to 7:43 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 16.4 | 16.4 | 16.4 | 16.4 | 16.3 | 16.3 | 16.3 | 16.3 | 16.3 | 16.2 | 16.2 | 16.2 | 16.1 | 16.1 | 16.1 | 16.0 | 16.0 | 16.0 | 15.9 | 15.9 | 15.8 | 15.8 | 15.7 | 15.7 | 15.7 | 15.6 | 15.6 | 15.5 | 15.5 | 15.4 | 15.4 |
| Sunrise (AM) | 3:47 | 3:48 | 3:49 | 3:49 | 3:50 | 3:51 | 3:52 | 3:53 | 3:54 | 3:55 | 3:56 | 3:57 | 3:58 | 3:59 | 4:00 | 4:01 | 4:02 | 4:04 | 4:05 | 4:06 | 4:07 | 4:09 | 4:10 | 4:11 | 4:13 | 4:14 | 4:16 | 4:17 | 4:19 | 4:20 | 4:22 |
| Sunset (PM) | 8:12 | 8:12 | 8:12 | 8:11 | 8:11 | 8:10 | 8:10 | 8:09 | 8:09 | 8:08 | 8:07 | 8:06 | 8:06 | 8:05 | 8:04 | 8:03 | 8:02 | 8:01 | 8:00 | 7:59 | 7:57 | 7:56 | 7:55 | 7:54 | 7:52 | 7:51 | 7:49 | 7:48 | 7:46 | 7:45 | 7:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 16.4 | 3:47 | 8:12 |
| 2 | 16.4 | 3:48 | 8:12 |
| 3 | 16.4 | 3:49 | 8:12 |
| 4 | 16.4 | 3:49 | 8:11 |
| 5 | 16.3 | 3:50 | 8:11 |
| 6 | 16.3 | 3:51 | 8:10 |
| 7 | 16.3 | 3:52 | 8:10 |
| 8 | 16.3 | 3:53 | 8:09 |
| 9 | 16.3 | 3:54 | 8:09 |
| 10 | 16.2 | 3:55 | 8:08 |
| 11 | 16.2 | 3:56 | 8:07 |
| 12 | 16.2 | 3:57 | 8:06 |
| 13 | 16.1 | 3:58 | 8:06 |
| 14 | 16.1 | 3:59 | 8:05 |
| 15 | 16.1 | 4:00 | 8:04 |
| 16 | 16.0 | 4:01 | 8:03 |
| 17 | 16.0 | 4:02 | 8:02 |
| 18 | 16.0 | 4:04 | 8:01 |
| 19 | 15.9 | 4:05 | 8:00 |
| 20 | 15.9 | 4:06 | 7:59 |
| 21 | 15.8 | 4:07 | 7:57 |
| 22 | 15.8 | 4:09 | 7:56 |
| 23 | 15.7 | 4:10 | 7:55 |
| 24 | 15.7 | 4:11 | 7:54 |
| 25 | 15.7 | 4:13 | 7:52 |
| 26 | 15.6 | 4:14 | 7:51 |
| 27 | 15.6 | 4:16 | 7:49 |
| 28 | 15.5 | 4:17 | 7:48 |
| 29 | 15.5 | 4:19 | 7:46 |
| 30 | 15.4 | 4:20 | 7:45 |
| 31 | 15.4 | 4:22 | 7:43 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.3 kWh/m².
For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.49 kWh/m² in June across the year — July's 5.3 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
| 31 | 5.1 | Bright |
Is July a good time to visit Colchester?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Colchester for sightseeing.
What to pack for Colchester in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Colchester sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear and sun protection. About 12 days see rain.
Sea temperature near Colchester in July
The nearest coast averages about 17°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 km away) is warmest in August at about 18°C and coldest in February near 6°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 7 | 6 | 7 | 9 | 12 | 15 | 17 | 18 | 17 | 15 | 12 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 7 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 15 | Bracing |
| Nov | 12 | Bracing |
| Dec | 9 | Bracing |
UV index in Colchester in July
Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Colchester peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 3 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Colchester?
Colchester sits at 51.9°N, 0.9°E, 29 m above sea level, in United Kingdom. The nearest listed city is Sudbury, 20 km away.
Topography around Colchester
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colchester.
Within 3 km, the terrain around Colchester has only modest variations in elevation — a maximum elevation change of 59 m around an average of 29 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 249 m.
The land around Colchester is covered by artificial surfaces (41%), trees (33%) and grassland (22%) within 3 km, cropland (41%) and grassland (26%) within 16 km, and cropland (40%) and water (25%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Colchester (51.8892°, 0.9042°, elevation 29 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).