October weather forecastHarefield, United Kingdom
October
Weather in October
October, like September, is another mild autumn month in Harefield, United Kingdom, with an average temperature ranging between max 15.1°C (59.2°F) and min 8.8°C (47.8°F).Temperature
Transitioning from September to October involves a subtle drop in average high-temperatures, descending from a comfortable 18.7°C (65.7°F) to a mild 15.1°C (59.2°F). Throughout October, Harefield encounters an average temperature drop to a chilly 8.8°C (47.8°F).Humidity
In October, the average relative humidity is 83%.Rainfall
In Harefield, in October, it is raining for 10.7 days, with typically 19mm (0.75") of accumulated precipitation. In Harefield, during the entire year, the rain falls for 132.4 days and collects up to 214mm (8.43") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in October is 10h and 40min.On the first day of October, sunrise is at 7:03 am and sunset at 6:39 pm BST. On the last day of the month, sunrise is at 6:54 am and sunset at 4:36 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
The average sunshine in October is 4.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 3 in October transforms into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Harefield, United Kingdom
- Average high temperature in October: 15.1°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in October: 8.8°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in October
Harefield, United Kingdom
- Average pressure in October: 1015.1mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in October
Harefield, United Kingdom
- Average wind speed in October: 14.6km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in October
Harefield, United Kingdom
- Average humidity in October: 83%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in October
Harefield, United Kingdom
- Average rainfall in October: 19mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in October
Harefield, United Kingdom
- Average rainfall days in October: 10.7 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in October
Harefield, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Harefield, 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 daylight in October /
Average sunshine in October
Harefield, United Kingdom
- Average daylight in October: 10h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in October: 4h and 36min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in October
Harefield, United Kingdom
- Average sunshine days in October: 16.5 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is July (14 days).
Average UV index in October
Harefield, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are June and 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
Harefield, United Kingdom
- Average cloud cover in October: 55
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in October
Harefield, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
