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
Portnahaven notes an average high-temperature of a cool 12.9°C (55.2°F) in October, hardly diverging from September. Portnahaven, during October nights, records a temperature marginally cooler than the daytime average, at 11.1°C (52°F).Humidity
In Portnahaven, United Kingdom, the average relative humidity in October is 79%.Rainfall
In Portnahaven, in October, during 20.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Portnahaven, during the entire year, the rain falls for 238.1 days and collects up to 631mm (24.84") of precipitation.Snowfall
In Portnahaven, snow does not fall in January, March through November.Daylight
The average length of the day in October in Portnahaven is 10h and 26min.On the first day of October in Portnahaven, sunrise is at 7:30 am and sunset at 7:01 pm BST. On the last day of the month, sunrise is at 7:31 am and sunset at 4:48 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 3.9h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during October translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Portnahaven?
What is the average humidity in October in Portnahaven?
How many days does it rain in October in Portnahaven?
When it does not snow in Portnahaven?
What is the average length of the day in October in Portnahaven?
What time are sunrise and sunset in October in Portnahaven?
When does Daylight Saving Time (DST) end in October in Portnahaven?
How long on average sun shines in October in Portnahaven?
What is the UV index reading in October in Portnahaven?
Average temperature in October
Portnahaven, United Kingdom
- Average high temperature in October: 12.9°C
The warmest month (with the highest average high temperature) is August (15.3°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in October: 11.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in October
Portnahaven, United Kingdom
- Average pressure in October: 1010.9mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is November (1006.3mbar).
Average wind speed in October
Portnahaven, United Kingdom
- Average wind speed in October: 32.4km/h
The windiest month (with the highest average wind speed) is January (38km/h).
The calmest month (with the lowest average wind speed) is June (21.8km/h).
Average humidity in October
Portnahaven, United Kingdom
- Average humidity in October: 79%
The months with the highest relative humidity are June, July and August (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in October
Portnahaven, United Kingdom
- Average rainfall in October: 61mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in October
Portnahaven, United Kingdom
- Average rainfall days in October: 20.3 days
The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is April (15.4 days).
Average snowfall in October
Portnahaven, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is December (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in October
Portnahaven, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Portnahaven, United Kingdom
- Average daylight in October: 10h and 2min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in October: 3h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Portnahaven, United Kingdom
- Average sunshine days in October: 6.6 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is November (4.1 days).
Average UV index in October
Portnahaven, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in October
Portnahaven, United Kingdom
- Average cloud cover in October: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in October
Portnahaven, United Kingdom
- Average visibility in October: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
