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
The shift from September to October coincides with a small decrease in the average high-temperature, down to a moderate 14.5°C (58.1°F) from a refreshing 18.5°C (65.3°F). The month of October records an average low-temperature of 8.6°C (47.5°F).Humidity
In October, the average relative humidity in Hemel Hempstead is 84%.Rainfall
In Hemel Hempstead, during October, the rain falls for 11.6 days and regularly aggregates up to 29mm (1.14") of precipitation. In Hemel Hempstead, during the entire year, the rain falls for 159.2 days and collects up to 359mm (14.13") of precipitation.Snowfall
In Hemel Hempstead, snow does not fall in April through October.Daylight
In Hemel Hempstead, the average length of the day in October is 10h and 39min.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 6:55 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
The average sunshine in October in Hemel Hempstead, United Kingdom, is 4.6h.UV index
In Hemel Hempstead, United Kingdom, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hemel Hempstead in October?
What is the average humidity in October in Hemel Hempstead?
How many days does it rain in October in Hemel Hempstead?
When it does not snow in Hemel Hempstead?
Does it snow in Hemel Hempstead in October?
What is the average length of the day in October in Hemel Hempstead?
What time are sunrise and sunset in October in Hemel Hempstead?
When does Daylight Saving Time (DST) end in October in Hemel Hempstead?
How many hours of sunshine does Hemel Hempstead have in October?
How high is the UV index in October in Hemel Hempstead?
Average temperature in October
Hemel Hempstead, United Kingdom
- Average high temperature in October: 14.5°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in October: 8.6°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in October
Hemel Hempstead, United Kingdom
- Average pressure in October: 1015mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in October
Hemel Hempstead, United Kingdom
- Average wind speed in October: 15.2km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in October
Hemel Hempstead, United Kingdom
- Average humidity in October: 84%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in October
Hemel Hempstead, United Kingdom
- Average rainfall in October: 29mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in October
Hemel Hempstead, United Kingdom
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in October
Hemel Hempstead, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Hemel Hempstead, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.5 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
Hemel Hempstead, 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
Hemel Hempstead, United Kingdom
- Average sunshine days in October: 16.2 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Hemel Hempstead, 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, March, November and December (UV index 2).
Average cloud cover in October
Hemel Hempstead, United Kingdom
- Average cloud cover in October: 55
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in October
Hemel Hempstead, 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).
