Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
October is characterized by a mild reduction in the average high-temperature, from a comfortable 18.8°C (65.8°F) in September to a moderate 15°C (59°F). October nights observe an average temperature dip to a frosty 8.9°C (48°F).Humidity
In October, the average relative humidity in Harrow on the Hill is 83%.Rainfall
In October, in Harrow on the Hill, the rain falls for 12.5 days. Throughout October, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 165.8 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
In Harrow on the Hill, snow does not fall in April through October.Daylight
In October, the average length of the day is 10h and 40min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:38 pm BST. On the last day of October, in Harrow on the Hill, sunrise is at 6:54 am and sunset at 4:35 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 4.6h.UV index
The average daily maximum UV index in October in Harrow on the Hill, United Kingdom, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, a regular UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Harrow on the Hill?
What is the average humidity in October in Harrow on the Hill?
How many days does it rain in October in Harrow on the Hill?
When it does not snow in Harrow on the Hill?
Does it snow in Harrow on the Hill in October?
What is the average length of the day in October in Harrow on the Hill?
When are sunrise and sunset in October in Harrow on the Hill?
When does Daylight Saving Time (DST) end in October in Harrow on the Hill?
How long on average sun shines in October in Harrow on the Hill?
What is the UV index intensity in October in Harrow on the Hill?
Average temperature in October
Harrow on the Hill, United Kingdom
- Average high temperature in October: 15°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: 8.9°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in October
Harrow on the Hill, 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
Harrow on the Hill, 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
Harrow on the Hill, United Kingdom
- Average humidity in October: 83%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in October
Harrow on the Hill, United Kingdom
- Average rainfall in October: 26mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in October
Harrow on the Hill, United Kingdom
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in October
Harrow on the Hill, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Harrow on the Hill, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.1 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
Harrow on the Hill, United Kingdom
- Average daylight in October: 10h and 4min
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 4min
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
Harrow on the Hill, United Kingdom
- Average sunshine days in October: 14.9 days
The month with the most sunshine days is December (16.3 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in October
Harrow on the Hill, 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
Harrow on the Hill, United Kingdom
- Average cloud cover in October: 55
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in October
Harrow on the Hill, 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).
