October weather forecast
Welwyn, United Kingdom

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Weather in October

October, like September, is a moderate autumn month in Welwyn, United Kingdom, with an average temperature varying between 14.5°C (58.1°F) and 8.6°C (47.5°F).

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.

Frequently asked questions

What is the usual temperature for Welwyn in October?

Welwyn in October has an average high-temperature of 14.5°C (58.1°F) and an average low-temperature of 8.6°C (47.5°F).

What is the average humidity in October in Welwyn?

The average relative humidity in October in Welwyn, United Kingdom, is 84%.

How many days does it rain in October in Welwyn?

In Welwyn, in October, it is raining for 11.3 days, with typically 23mm (0.91") of accumulated precipitation.

When it does not snow in Welwyn?

April through October are months without snowfall.

Does it snow in Welwyn in October?

In Welwyn, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Welwyn?

In Welwyn, United Kingdom, the average day length in October is 10h and 39min.

When are sunrise and sunset in October in Welwyn?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:38 pm BST. On the last day of the month, in Welwyn, United Kingdom, sunrise is at 6:54 am and sunset at 4:34 pm GMT.

When does Daylight Saving Time (DST) end in October in Welwyn?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Welwyn, United Kingdom, and the time zone changes from BST to GMT. The next DST starts on Sunday, 30. March 2025, at 1:00 am.

How many hours of sunshine does Welwyn have in October?

In October, the average sunshine duration is 4.5h.

How high is the UV index in October in Welwyn?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Welwyn, United Kingdom

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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).

Welwyn, United Kingdom

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