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 sea temperature 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
With the advent of October, Porthmadog's high-temperatures adjust to a cool 12.1°C (53.8°F), closely aligning with the preceding month. Porthmadog notes a steady average temperature of 7.2°C (45°F) during the nights of October.Humidity
In October, the average relative humidity is 90%.Rainfall
In Porthmadog, in October, it is raining for 19.5 days, with typically 86mm (3.39") of accumulated precipitation. In Porthmadog, United Kingdom, during the entire year, the rain falls for 230 days and collects up to 940mm (37.01") of precipitation.Snowfall
In Porthmadog, United Kingdom, snow does not fall in May through October.Sea temperature
In October, the average sea temperature is 14.5°C (58.1°F).Note: Swimming in 14.5°C (58.1°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
The average length of the day in October in Porthmadog is 10h and 35min.On the first day of October, sunrise is at 7:18 am and sunset at 6:53 pm BST. On the last day of the month, sunrise is at 7:13 am and sunset at 4:47 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 Porthmadog, the average sunshine in October is 3.1h.UV index
In October, the average daily maximum UV index in Porthmadog, United Kingdom, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are October temperatures in Porthmadog?
What is the average humidity in October in Porthmadog?
How much does it rain in Porthmadog in October?
When it does not snow in Porthmadog?
Does it snow in Porthmadog in October?
What is the sea water temperature in October in Porthmadog?
How many hours of daylight does Porthmadog have in October?
When is the sunrise / sunset in October in Porthmadog?
When does Daylight Saving Time (DST) end in October in Porthmadog?
How many hours of sunshine does Porthmadog have in October?
What is the UV index reading in October in Porthmadog?
Average temperature in October
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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 sea temperature in October
Porthmadog, United Kingdom
- Average sea temperature in October: 14.5°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in October /
Average sunshine in October
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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
Porthmadog, 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).
Porthmadog, United Kingdom
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