Grimsby weather in October

In October, Grimsby sees average daytime highs of 14°C and overnight lows near 8°C, with 59 mm of rain across 10.8 wet days and about 10.3 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 12°C by the end. The sky is clear or mostly clear about 13% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of October to 9 h 12 min by month's end. Set against the rest of the year, October is Grimsby's 10th-clearest and 6th-windiest month. For the whole year in context, see Grimsby's year-round climate.

Daytime high
14°
6th warmest
Overnight low
8th coldest
Rainfall
59 mm
10.8 wet days
Daylight
10 h 18 min
6:38 AM – 4:53 PM
Cloud cover
73%
10th clearest
Wind
19 km/h
6th windiest
Solar energy
1.74 kWh/m²
Travel score
3.8
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 12°C by the end.

A typical October day in Grimsby reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 17°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11610
21610
31610
4159
5159
6159
7159
8159
9159
10159
11149
12149
13149
14149
15148
16148
17148
18148
19138
20138
21138
22138
23138
24138
25137
26137
27137
28127
29127
30127
31127

How October really feels in Grimsby

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42674
52674
62575
72674
82674
92674
102674
112674
122674
132773
142773
152773
162872
172872
182971
193070
203070
213169
223169
233268
243268
253268
263268
273268
283268
293169
303169
313169

Chance of precipitation in October

Any precipitation

Grimsby gets around 59 mm of rain over 10.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
935
1035
1135
1234
1334
1434
1534
1634
1734
1834
1935
2035
2135
2235
2335
2435
2535
2635
2736
2836
2936
3037
3137

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18812
28812
38911
48911
59010
69010
7919
8919
9928
10928
11937
12937
13937
14937
15946
16946
17955
18955
19955
20964
21964
22973
23973
24973
25982
26982
27982
28982
29982
30982
31982

Wind in October

Winds average 19 km/h in October.

Across October, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 18 min at the start of October to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over October. Sunrise moves from 6:09 AM to 7:07 AM, and sunset from 5:29 PM to 4:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:095:29
211.36:115:27
311.26:135:24
411.16:155:22
511.06:175:19
611.06:195:17
710.96:215:14
810.86:235:12
910.76:245:09
1010.76:265:07
1110.66:285:05
1210.56:305:02
1310.56:325:00
1410.46:344:58
1510.36:364:55
1610.36:384:53
1710.26:404:51
1810.16:424:48
1910.06:444:46
2010.06:454:44
219.96:474:42
229.86:494:39
239.86:514:37
249.76:534:35
259.66:554:33
269.66:574:31
279.56:594:29
289.47:014:27
299.47:034:25
309.37:054:23
319.27:074:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.74 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 — October's 1.74 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.2Moderate
42.2Moderate
52.1Moderate
62.1Moderate
72.0Moderate
82.0Moderate
92.0Dim
101.9Dim
111.9Dim
121.9Dim
131.8Dim
141.8Dim
151.8Dim
161.7Dim
171.7Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.5Dim
231.5Dim
241.5Dim
251.4Dim
261.4Dim
271.4Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in October

Is October a good time to visit Grimsby?

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

3.8
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Grimsby.

What to pack for Grimsby in October

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

In October, Grimsby sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Grimsby in October

The nearest coast averages about 13°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. 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
October 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).