October weather forecastGrantham, United Kingdom
October
Weather in October
October, the same as September, in Grantham, United Kingdom, is another mild autumn month, with temperature in the range of an average high of 14°C (57.2°F) and an average low of 8.3°C (46.9°F).Temperature
The beginning of October brings a slight decrease in the average high-temperature, transitioning from a comfortable 17.9°C (64.2°F) in September to a mild 14°C (57.2°F). During October, an average low-temperature of 8.3°C (46.9°F) is observed.Humidity
In October, the average relative humidity in Grantham is 85%.Rainfall
In Grantham, United Kingdom, during October, the rain falls for 10.5 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 152.3 rainfall days, and 262mm (10.31") of precipitation is accumulated.Snowfall
In Grantham, snow does not fall in May through October.Daylight
In Grantham, United Kingdom, the average length of the day in October is 10h and 35min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:39 pm BST. On the last day of October, sunrise is at 6:59 am and sunset at 4:33 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 in Grantham, United Kingdom, is 4.3h.UV index
The average daily maximum UV index in October in Grantham is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during October leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grantham, United Kingdom
- Average high temperature in October: 14°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in October: 8.3°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in October
Grantham, United Kingdom
- Average pressure in October: 1014.3mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in October
Grantham, United Kingdom
- Average wind speed in October: 15.6km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in October
Grantham, United Kingdom
- Average humidity in October: 85%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in October
Grantham, United Kingdom
- Average rainfall in October: 23mm
The wettest month (with the highest rainfall) is June (37mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in October
Grantham, United Kingdom
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in October
Grantham, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in October
Grantham, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Grantham, United Kingdom
- Average daylight in October: 10h and 36min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in October: 4h and 18min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in October
Grantham, United Kingdom
- Average sunshine days in October: 15.9 days
The months with the most sunshine days are October and December (15.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in October
Grantham, 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
Grantham, United Kingdom
- Average cloud cover in October: 57
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in October
Grantham, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).





