Grimsby weather in April

In April, Grimsby sees average daytime highs of 12°C and overnight lows near 5°C, with 48 mm of precipitation across 11.2 wet days and about 13.7 hours of daylight. It is the 7th-warmest and 10th-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 16% 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 42 min by month's end. Set against the rest of the year, April is Grimsby's 5th-clearest and 7th-windiest month. For the whole year in context, see Grimsby's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
48 mm
11.2 wet days
Daylight
13 h 42 min
5:09 AM – 6:52 PM
Cloud cover
71%
5th clearest
Wind
18 km/h
7th windiest
Solar energy
4.17 kWh/m²
Travel score
3.0
out of 10

Grimsby is seaport town in Lincolnshire, England, United Kingdom.

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 Grimsby reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°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)
1114
2115
3115
4115
5115
6115
7115
8115
9115
10115
11125
12125
13125
14125
15125
16125
17125
18125
19126
20126
21136
22136
23136
24136
25136
26136
27136
28136
29136
30137

How April really feels in Grimsby

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.

Grimsby weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 4911.20.97.80.8
Feb / 409.71.19.41.1
Mar10° / 4311.10.611.51.9
Apr12° / 4811.20.113.73.0
May15° / 5210.9015.64.3
Jun18° / 11°6511.9016.75.3
Jul20° / 13°7012.8016.35.8
Aug20° / 13°6611.7014.65.9
Sep18° / 11°569.8012.55.5
Oct14° / 5910.8010.33.8
Nov10° / 55120.28.32.1
Dec / 5211.217.31.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23268
33268
43268
53169
63169
73070
83070
93070
103169
113169
123169
133169
143169
153169
163169
173268
183169
193169
203268
213268
223268
233268
243367
253367
263268
273268
283367
293367
303466

Chance of precipitation in April

Any precipitation

Grimsby gets around 48 mm of rain and snow over 11.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
836
936
1036
1136
1235
1335
1435
1535
1636
1736
1836
1936
2037
2137
2238
2338
2438
2539
2639
2739
2838
2938
3038

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 18 km/h in April.

Across April, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over April. Sunrise moves from 5:46 AM to 4:38 AM, and sunset from 6:24 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:24
212.75:436:26
312.85:416:28
412.95:386:30
512.95:366:31
613.05:336:33
713.15:316:35
813.15:286:37
913.25:266:39
1013.35:246:41
1113.45:216:43
1213.45:196:44
1313.55:166:46
1413.65:146:48
1513.65:126:50
1613.75:096:52
1713.85:076:54
1813.95:046:56
1913.95:026:57
2014.05:006:59
2114.14:577:01
2214.14:557:03
2314.24:537:05
2414.34:517:07
2514.34:487:09
2614.44:467:10
2714.54:447:12
2814.54:427:14
2914.64:407:16
3014.74:387:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.17 kWh/m².

For context, solar energy here swings from a low near 0.56 kWh/m² to a high of 5.23 kWh/m² in June across the year — April's 4.17 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
Planning a trip in April

Is April a good time to visit Grimsby?

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 Grimsby.

What to pack for Grimsby in April

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

In April, Grimsby sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Grimsby in April

The nearest coast averages about 8°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 15 km away) is warmest in August at about 15°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr8Bracing
May9Bracing
Jun12Bracing
Jul14Bracing
Aug15Bracing
Sep14Bracing
Oct13Bracing
Nov10Bracing
Dec8Bracing

UV index in Grimsby 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 Grimsby peaks around August 12 at about 6 (high) — a little sun protection helps at midday. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Grimsby?

Grimsby sits at 53.6°N, 0.1°W, 4 m above sea level, in United Kingdom. The nearest listed city is Cleethorpes, 3.0 km away.

Topography around Grimsby

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grimsby.

Within 3 km, the terrain around Grimsby has only modest variations in elevation — a maximum elevation change of 27 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around Grimsby is covered by artificial surfaces (45%) and water (23%) within 3 km, cropland (47%) and water (29%) within 16 km, and cropland (49%) and water (28%) within 80 km.

3 km
27 m
16 km
157 m
80 km
268 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Cleethorpes 3.0 km · Louth 23 km · Kingston upon Hull 26 km · Brough 37 km · Scunthorpe 38 km · Beverley 39 km · Lincoln 49 km · Gainsborough 50 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 Grimsby (53.5654°, -0.0755°, elevation 4 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).