October weather forecastGrimsby, United Kingdom
October
Weather in October
October, the same as September, in Grimsby, United Kingdom, is a moderate autumn month, with an average temperature ranging between max 13.7°C (56.7°F) and min 9.8°C (49.6°F).Temperature
October's onset corresponds with a subtle shift in the average high-temperature, slightly moving from an enjoyable 17.2°C (63°F) in September to a still refreshing 13.7°C (56.7°F). Grimsby's October nights observe a minor shift from the daytime temperatures, resulting in an average dip to a frosty 9.8°C (49.6°F).Humidity
In October, the average relative humidity is 82%.Rainfall
October is the month with the most rainfall in Grimsby. Rain falls for 13.4 days and accumulates 45mm (1.77") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
In Grimsby, in October, the average water temperature is 13.2°C (55.8°F).Note: You can swim in 13.2°C (55.8°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.
Daylight
In Grimsby, the average length of the day in October is 10h and 34min.On the first day of October in Grimsby, sunrise is at 7:03 am and sunset at 6:36 pm BST. On the last day of the month, sunrise is at 6:58 am and sunset at 4:29 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.
Sunshine
In October, the average sunshine is 4.1h.UV index
In October, the average daily maximum UV index in Grimsby is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 3 in October transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grimsby, United Kingdom
- Average high temperature in October: 13.7°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in October: 9.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in October
Grimsby, United Kingdom
- Average pressure in October: 1014mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in October
Grimsby, United Kingdom
- Average wind speed in October: 20.2km/h
The windiest month (with the highest average wind speed) is December (23.4km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in October
Grimsby, United Kingdom
- Average humidity in October: 82%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in October
Grimsby, United Kingdom
- Average rainfall in October: 45mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in October
Grimsby, United Kingdom
- Average rainfall days in October: 13.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in October
Grimsby, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Grimsby, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
Grimsby, United Kingdom
- Average sea temperature in October: 13.2°C
The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (6.6°C).
Average daylight in October /
Average sunshine in October
Grimsby, United Kingdom
- Average daylight in October: 10h and 36min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in October: 4h and 6min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in October
Grimsby, United Kingdom
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in October
Grimsby, United Kingdom
- Average UV index in October: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Grimsby, United Kingdom
- Average cloud cover in October: 57
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 49).
Average visibility in October
Grimsby, United Kingdom
- Average visibility in October: 10km
The months with the highest visibility are February, March, April, August, September and October (10km).
The months with the lowest visibility are January, May, June, July, November and December (9km).





