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
As October commences, the average high-temperature subtly reduces, transitioning from a refreshing 18.5°C (65.3°F) in September to a mild 14.5°C (58.1°F). An average low-temperature of 8.6°C (47.5°F) marks the nights throughout October.Humidity
In October, the average relative humidity is 84%.Rainfall
In October, the rain falls for 11.3 days. Throughout October, 23mm (0.91") of precipitation is accumulated. In Welwyn, United Kingdom, during the entire year, the rain falls for 153.2 days and collects up to 278mm (10.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Welwyn, the average length of the day in October is 10h and 39min.On the first day of October in Welwyn, sunrise is at 7:02 am and sunset at 6:38 pm BST. On the last day of the month, sunrise is at 6:54 am and sunset at 4:34 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 Welwyn is 4.5h.UV index
In October, the average daily maximum UV index in Welwyn is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Welwyn in October?
What is the average humidity in October in Welwyn?
How many days does it rain in October in Welwyn?
When it does not snow in Welwyn?
Does it snow in Welwyn in October?
What is the average length of the day in October in Welwyn?
When are sunrise and sunset in October in Welwyn?
When does Daylight Saving Time (DST) end in October in Welwyn?
How many hours of sunshine does Welwyn have in October?
How high is the UV index in October in Welwyn?
Average temperature in October
Welwyn, United Kingdom
- Average high temperature in October: 14.5°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.3°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
Welwyn, United Kingdom
- Average pressure in October: 1014.9mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in October
Welwyn, United Kingdom
- Average wind speed in October: 15.3km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in October
Welwyn, 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 (75%).
Average rainfall in October
Welwyn, United Kingdom
- Average rainfall in October: 23mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in October
Welwyn, United Kingdom
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in October
Welwyn, 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
Welwyn, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.3 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
Welwyn, 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 3min
The months with the most sunshine are July and August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in October
Welwyn, United Kingdom
- Average sunshine days in October: 15.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in October
Welwyn, 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
Welwyn, United Kingdom
- Average cloud cover in October: 56
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in October
Welwyn, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
