Cardiff
United Kingdom
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Cardiff, United Kingdom

October, the same as September, in Cardiff, United Kingdom, is a moderate autumn month, with average temperature varying between 14.9°C (58.8°F) and 7.7°C (45.9°F).

Temperature

In Cardiff, the average high-temperature slightly decreases, from an enjoyable 18.8°C (65.8°F) in September, to a moderate 14.9°C (58.8°F). The average low-temperature, in October, is 7.7°C (45.9°F).

Rainfall

The month with the most rainfall in Cardiff is October when the rain falls for 15.5 days and typically aggregates up to 133.5mm (5.3") of precipitation.

Sea temperature

In Cardiff, United Kingdom, the average seawater temperature in October is 15.4°C (59.7°F).
Note: For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Cardiff, United Kingdom, the average length of the day is 10.7h.

Sunshine

In October, the average sunshine is 3.3h.

UV index

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in October in Cardiff?

In October, the average high-temperature is 14.9°C (58.8°F), and the average low-temperature is 7.7°C (45.9°F).

How much does it rain in Cardiff in October?

In Cardiff, United Kingdom, during October, the rain falls for 15.5 days and regularly aggregates up to 133.5mm (5.3") of precipitation.

What is the wettest month in Cardiff?

October is the month with the most rainfall. Rain falls for 15.5 days and accumulates 133.5mm (5.3") of precipitation.

How cold is the water in October in Cardiff?

In Cardiff, in October, the average water temperature is 15.4°C (59.7°F). For most, swimming in 15.4°C (59.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Cardiff have in October?

In October, the average length of the day is 10.7h.

How long on average sun shines in October in Cardiff?

In Cardiff, the average sunshine in October is 3.3h.

What is the UV index reading in October in Cardiff?

The average daily maximum UV index in October in Cardiff is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.
Average temperature in October - Cardiff, United Kingdom
  • Average high temperature in October: 14.9°C

The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in October: 7.7°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

Average rainfall in October - Cardiff, United Kingdom
  • Average rainfall in October: 133.5mm

The wettest month (with the highest rainfall) is October (133.5mm).
The driest month (with the lowest rainfall) is June (66.6mm).

Average rainfall days in October - Cardiff, United Kingdom
  • Average rainfall days in October: 15.5 days

The month with the highest number of rainy days is January (15.7 days).
The month with the lowest number of rainy days is June (10.1 days).

Average sea temperature in October - Cardiff, United Kingdom
  • Average sea temperature in October: 15.4°C

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: 10.7h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 7.9h).

  • Average sunshine in October: 3.3h

The month with most sunshine is July (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 1.6h).

Average UV index in October - Cardiff, United Kingdom
  • Average UV index in October: 2

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 0).