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
The move into October in Cardiff indicates a slight reduction in the average high-temperature, down from September's comfortable 17.1°C (62.8°F) to a moderate 14.1°C (57.4°F). Cardiff encounters a negligible difference from daytime peaks throughout the October nights, with a low-temperature average of 9.7°C (49.5°F).Humidity
The average relative humidity in October in Cardiff is 85%.Rainfall
In October, the rain falls for 10.9 days. Throughout October, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Cardiff, there are 132.6 rainfall days, and 252mm (9.92") of precipitation is accumulated.Snowfall
March through October are months without snowfall.Sea temperature
In Cardiff, the average seawater temperature in October is 15.4°C (59.7°F).Note: In water with a temperature of 15.4°C (59.7°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in October is 10h and 40min.On the first day of October in Cardiff, United Kingdom, sunrise is at 7:14 am and sunset at 6:50 pm BST. On the last day of the month, sunrise is at 7:05 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 Cardiff, United Kingdom, the average sunshine in October is 4.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are the temperatures in Cardiff in October?
What is the average humidity in October in Cardiff?
How many days does it rain in October in Cardiff?
When it does not snow in Cardiff?
Does it snow in Cardiff in October?
What is the sea temperature in October in Cardiff?
What is the average length of the day in October in Cardiff?
When are sunrise and sunset in October in Cardiff?
When does Daylight Saving Time (DST) end in October in Cardiff?
How long on average sun shines in October in Cardiff?
What is the UV index reading in October in Cardiff?
Average temperature in October
Cardiff, United Kingdom
- Average high temperature in October: 14.1°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in October: 9.7°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in October
Cardiff, United Kingdom
- Average pressure in October: 1014.6mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in October
Cardiff, United Kingdom
- Average wind speed in October: 18.6km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).
Average humidity in October
Cardiff, United Kingdom
- Average humidity in October: 85%
The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in October
Cardiff, United Kingdom
- Average rainfall in October: 26mm
The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in October
Cardiff, United Kingdom
- Average rainfall days in October: 10.9 days
The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).
Average snowfall in October
Cardiff, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Cardiff, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in October
Cardiff, United Kingdom
- Average sea temperature in October: 15.4°C
The best months for swimming (with the highest average sea temperature) are August and September (16.6°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in October /
Average sunshine in October
Cardiff, 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 month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in October
Cardiff, United Kingdom
- Average sunshine days in October: 16 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in October
Cardiff, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Cardiff, United Kingdom
- Average cloud cover in October: 54
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in October
Cardiff, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).
Cardiff, United Kingdom
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