Colchester weather in April

In April, Colchester sees average daytime highs of 12°C and overnight lows near 6°C, with 45 mm of rain across 10.4 wet days and about 13.6 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 13°C by the end. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 30 min by month's end. Set against the rest of the year, April is Colchester's 4th-clearest and 8th-windiest month. For the whole year in context, see Colchester's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Rainfall
45 mm
10.4 wet days
Daylight
13 h 36 min
5:08 AM – 6:45 PM
Cloud cover
66%
4th clearest
Wind
17 km/h
8th windiest
Solar energy
4.36 kWh/m²
Travel score
3.0
out of 10

Colchester is city in Essex, England, UK.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 13°C by the end.

A typical April day in Colchester reaches about 12°C in the afternoon and slips back to 6°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1115
2115
3115
4115
5115
6115
7115
8115
9115
10116
11116
12116
13126
14126
15126
16126
17126
18126
19126
20126
21127
22137
23137
24137
25137
26137
27137
28137
29137
30137

How April really feels in Colchester

Once humidity and wind are folded in, April 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.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5712.10.98.10.8
Feb / 469.71.19.60.9
Mar / 4310.20.611.51.9
Apr12° / 4510.4013.63.0
May15° / 5310015.44.4
Jun18° / 12°5710.9016.45.5
Jul20° / 14°5811.80166.1
Aug21° / 14°6410.7014.46.2
Sep18° / 12°5210.3012.45.6
Oct14° / 6411.4010.43.9
Nov10° / 6111.10.28.62.2
Dec / 6211.60.87.61.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53367
63367
73367
83367
93268
103268
113268
123367
133367
143367
153367
163466
173466
183466
193466
203466
213565
223565
233565
243565
253565
263565
273565
283664
293664
303664

Chance of precipitation in April

Any precipitation

Colchester gets around 45 mm of rain over 10.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
433
533
633
733
833
933
1033
1133
1232
1332
1432
1532
1633
1733
1833
1934
2034
2135
2235
2336
2436
2536
2636
2736
2836
2936
3036

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 17 km/h in April.

Across April, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
118light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over April. Sunrise moves from 5:43 AM to 4:39 AM, and sunset from 6:19 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:436:19
212.75:416:21
312.75:386:22
412.85:366:24
512.95:346:26
612.95:316:28
713.05:296:29
813.15:276:31
913.15:246:33
1013.25:226:35
1113.35:206:36
1213.35:176:38
1313.45:156:40
1413.55:136:41
1513.55:116:43
1613.65:086:45
1713.75:066:47
1813.75:046:48
1913.85:026:50
2013.94:596:52
2113.94:576:54
2214.04:556:55
2314.14:536:57
2414.14:516:59
2514.24:497:00
2614.34:477:02
2714.34:457:04
2814.44:437:06
2914.44:417:07
3014.54:397:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.36 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 — April's 4.36 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.7Moderate
33.7Moderate
43.8Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Colchester?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Colchester.

What to pack for Colchester in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Colchester sees daytime highs around 12°C and nights near 6°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Colchester in April

The nearest coast averages about 9°C in April — 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.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Colchester in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

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.

3 km
59 m
16 km
100 m
80 km
249 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Sudbury 20 km · Clacton-on-Sea 21 km · Witham 21 km · Maldon 24 km · Braintree 24 km · Frinton-on-Sea 24 km · Walton-on-the-Naze 25 km · Ipswich 26 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
Christian 60%none 26%Muslim 4%other 2%

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).