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
Weather in October
Temperature
The arrival of October brings an average high-temperature of a cool 12.1°C (53.8°F), closely following the temperature pattern of September. In Portmeirion, a slight decrease from the daytime peak is noted during the month of October, with an average low-temperature of 7.2°C (45°F).Humidity
In Portmeirion, the average relative humidity in October is 90%.Rainfall
In October, the rain falls for 19.5 days. Throughout October, 86mm (3.39") of precipitation is accumulated. Throughout the year, in Portmeirion, there are 230 rainfall days, and 940mm (37.01") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Portmeirion.Daylight
In October, the average length of the day is 10h and 35min.On the first day of the month, sunrise is at 7:18 am and sunset at 6:52 pm BST. On the last day of October, in Portmeirion, sunrise is at 7:12 am and sunset at 4:46 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 Portmeirion is 3.1h.UV index
In Portmeirion, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during October translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Portmeirion in October?
What is the average humidity in October in Portmeirion?
How much does it rain in Portmeirion in October?
When it does not snow in Portmeirion?
Does it snow in Portmeirion in October?
How many hours of daylight does Portmeirion have in October?
When is the sunrise / sunset in October in Portmeirion?
When does Daylight Saving Time (DST) end in October in Portmeirion?
How many hours of sunshine does Portmeirion have in October?
What is the UV index intensity in October in Portmeirion?
Average temperature in October
Portmeirion, United Kingdom
- Average high temperature in October: 12.1°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in October: 7.2°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in October
Portmeirion, United Kingdom
- Average pressure in October: 1013.7mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in October
Portmeirion, United Kingdom
- Average wind speed in October: 14.1km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in October
Portmeirion, United Kingdom
- Average humidity in October: 90%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in October
Portmeirion, United Kingdom
- Average rainfall in October: 86mm
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days in October
Portmeirion, United Kingdom
- Average rainfall days in October: 19.5 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in October
Portmeirion, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in October
Portmeirion, United Kingdom
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Portmeirion, United Kingdom
- Average daylight in October: 10h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in October: 3h and 1min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in October
Portmeirion, United Kingdom
- Average sunshine days in October: 8.4 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in October
Portmeirion, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in October
Portmeirion, United Kingdom
- Average cloud cover in October: 71
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in October
Portmeirion, United Kingdom
- Average visibility in October: 8km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
Portmeirion, United Kingdom
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