November weather forecast
Castleknock, Ireland

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Weather in November

November, the last month of the autumn in Castleknock, is also a frosty month, with an average temperature fluctuating between 4.8°C (40.6°F) and 9.1°C (48.4°F).

Temperature

November ushers in a minor alteration in Castleknock's climate, with the average high-temperature moving from October's fresh 12.8°C (55°F) to a frosty 9.1°C (48.4°F). Castleknock's average temperature during the nights of November is recorded at a cold 4.8°C (40.6°F).

Humidity

In November, the average relative humidity is 89%.

Rainfall

In November, the rain falls for 14.6 days. Throughout November, 60mm (2.36") of precipitation is accumulated. In Castleknock, during the entire year, the rain falls for 209.2 days and collects up to 564mm (22.2") of precipitation.

Snowfall

Months with snowfall in Castleknock are January through March, November and December. November is the first month it typically snows. Throughout November, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 7.1 snowfall days, and 56mm (2.2") of snow is accumulated.

Daylight

In Castleknock, Ireland, the average length of the day in November is 8h and 39min.
On the first day of November, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:11 pm GMT.

Sunshine

February, October and November, with an average of 3.9h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Castleknock are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during November morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jan 27, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for Castleknock in November?

The high-temperature in Castleknock, Ireland, during November is 9.1°C (48.4°F) and the low-temperature is 4.8°C (40.6°F).

What is the average humidity in November in Castleknock?

In Castleknock, Ireland, the average relative humidity in November is 89%.

How many days does it rain in November in Castleknock?

In Castleknock, during November, the rain falls for 14.6 days and regularly aggregates up to 60mm (2.36") of precipitation.

When does it start to snow in Castleknock?

November is the first month it typically snows in Castleknock, Ireland. Throughout November, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow.

How many hours of daylight does Castleknock have in November?

In November, the average day length is 8h and 39min.

What time are sunrise and sunset in November in Castleknock?

In November, on the first day of the month, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:11 pm GMT.

What are the months with the least sunshine in Castleknock?

February, October and November, with an average of 3.9h of sunshine, are months with the least sunshine in Castleknock, Ireland.

How many hours of sunshine does Castleknock have in November?

The average sunshine duration in November in Castleknock is 3.9h.

When is the lowest UV index in Castleknock?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castleknock.

How high is the UV index in November in Castleknock?

In Castleknock, the average daily maximum UV index in November is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Castleknock, Ireland

Average temperature in November - Castleknock, Ireland
  • Average high temperature in November: 9.1°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in November: 4.8°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

Average pressure in November
Castleknock, Ireland

Average pressure in November - Castleknock, Ireland
  • Average pressure in November: 1008.3mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).

Average wind speed in November
Castleknock, Ireland

Average wind speed in November - Castleknock, Ireland
  • Average wind speed in November: 18.9km/h

The windiest month (with the highest average wind speed) is January (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).

Average humidity in November
Castleknock, Ireland

Average humidity in November - Castleknock, Ireland
  • Average humidity in November: 89%

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).

Average rainfall in November
Castleknock, Ireland

Average rainfall in November - Castleknock, Ireland
  • Average rainfall in November: 60mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in November
Castleknock, Ireland

Average rainfall days in November - Castleknock, Ireland
  • Average rainfall days in November: 14.6 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (13.6 days).

Average snowfall in November
Castleknock, Ireland

Average snowfall in November - Castleknock, Ireland
  • Average snowfall in November: 1mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in November
Castleknock, Ireland

Average snowfall days in November - Castleknock, Ireland
  • Average snowfall days in November: 0.2 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in November /
Average sunshine in November
Castleknock, Ireland

Average daylight in November / Average sunshine in November - Castleknock, Ireland
  • Average daylight in November: 8h and 4min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in November: 3h and 5min

The months with the most sunshine are April and May (Average sunshine: 6h and 42min).
The months with the least sunshine are February, October and November (Average sunshine: 3h and 54min).

Average sunshine days in November
Castleknock, Ireland

Average sunshine days in November - Castleknock, Ireland
  • Average sunshine days in November: 12.8 days

The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.4 days).

Average UV index in November
Castleknock, Ireland

Average UV index in November - Castleknock, Ireland
  • Average UV index in November: 2

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, November and December (UV index 2).

Average cloud cover in November
Castleknock, Ireland

Average cloud cover in November - Castleknock, Ireland
  • Average cloud cover in November: 60

The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in November
Castleknock, Ireland

Average visibility in November - Castleknock, Ireland
  • Average visibility in November: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).

Castleknock, Ireland

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