Grimsby weather in July

In July, Grimsby sees average daytime highs of 20°C and overnight lows near 13°C, with 70 mm of rain across 12.8 wet days and about 16.3 hours of daylight. It is the 1st-warmest and 1st-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 13% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 42 min at the start of July to 15 h 36 min by month's end. Set against the rest of the year, July is Grimsby's 4th-clearest and 12th-windiest month. For the whole year in context, see Grimsby's year-round climate.

Daytime high
20°
1st warmest
Overnight low
13°
12th coldest
Rainfall
70 mm
12.8 wet days
Daylight
16 h 18 min
3:57 AM – 8:15 PM
Cloud cover
70%
4th clearest
Wind
15 km/h
12th windiest
Solar energy
5.12 kWh/m²
Travel score
5.8
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical July day in Grimsby reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11912
21912
31912
42012
52012
62012
72012
82013
92013
102013
112013
122013
132013
142013
152013
162013
172113
182113
192113
202113
212113
222113
232113
242113
252113
262114
272114
282114
292114
302114
312114

How July really feels in Grimsby

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.

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

July 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 July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42872
52773
62773
72773
82872
92872
102872
112872
122971
133070
143169
153169
163169
173268
183268
193268
203268
213367
223367
233268
243268
253268
263268
273367
283367
293268
303268
313367

Chance of precipitation in July

Any precipitation

Grimsby gets around 70 mm of rain over 12.8 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
442
542
642
742
842
942
1042
1142
1241
1341
1440
1540
1639
1739
1839
1939
2039
2139
2239
2339
2439
2539
2639
2739
2839
2939
3039
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
173234
272244
371254
470264
570264
669274
768284
867294
967294
1066304
1166304
1265314
1365314
1464315
1564315
1662326
1762326
1861327
1960328
2058339
2158339
22573310
23553411
24543412
25543412
26543412
27533413
28533413
29533413
30533413
31523414

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.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 42 min at the start of July to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over July. Sunrise moves from 3:42 AM to 4:19 AM, and sunset from 8:26 PM to 7:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.73:428:26
216.73:428:25
316.73:438:25
416.73:448:24
516.73:458:24
616.63:468:23
716.63:478:23
816.63:478:22
916.63:488:22
1016.53:508:21
1116.53:518:20
1216.53:528:19
1316.43:538:18
1416.43:548:17
1516.43:558:16
1616.33:578:15
1716.33:588:14
1816.23:598:13
1916.24:018:12
2016.14:028:11
2116.14:038:09
2216.14:058:08
2316.04:068:07
2416.04:088:05
2515.94:098:04
2615.94:118:02
2715.84:128:01
2815.84:147:59
2915.74:167:57
3015.64:177:56
3115.64:197:54

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.12 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 — July's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in July

Is July a good time to visit Grimsby?

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

5.8
Sightseeing
2nd-best month of the year
3.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Grimsby for sightseeing.

What to pack for Grimsby in July

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

In July, Grimsby sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Grimsby in July

The nearest coast averages about 14°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 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 July

LowModerateHighVery highExtreme

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 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
July 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).