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
Weather in October
Temperature
As September transitions into October, the average high-temperature rests at a fresh 12.8°C (55°F), maintaining a close resemblance to the previous month. Nighttime temperatures in Castleknock during October report a consistent average of 8°C (46.4°F).Humidity
In Castleknock, Ireland, the average relative humidity in October is 89%.Rainfall
In Castleknock, during October, the rain falls for 16 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, there are 209.2 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Castleknock, Ireland.Daylight
In Castleknock, the average length of the day in October is 10h and 34min.On the first day of October in Castleknock, sunrise is at 7:28 am and sunset at 7:01 pm IST. On the last day of the month, sunrise is at 7:23 am and sunset at 4:54 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time lasts until Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to IST.
Sunshine
February, October and November, with an average of 3.9h of sunshine, are months with the least sunshine.UV index
In Castleknock, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Castleknock in October?
What is the average humidity in October in Castleknock?
How many days does it rain in October in Castleknock?
When it does not snow in Castleknock?
Does it snow in Castleknock in October?
What is the average length of the day in October in Castleknock?
What time are sunrise and sunset in October in Castleknock?
When does Daylight Saving Time (DST) start in October in Castleknock?
What is the month with the least sunshine in Castleknock?
How many hours of sunshine does Castleknock have in October?
How high is the UV index in October in Castleknock?
Average temperature in October
Castleknock, Ireland
- Average high temperature in October: 12.8°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 October: 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 October
Castleknock, Ireland
- Average pressure in October: 1012.7mbar
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 October
Castleknock, Ireland
- Average wind speed in October: 16.7km/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 October
Castleknock, Ireland
- Average humidity in October: 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 October
Castleknock, Ireland
- Average rainfall in October: 44mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in October
Castleknock, Ireland
- Average rainfall days in October: 16 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 October
Castleknock, Ireland
- Average snowfall in October: 0mm
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 October
Castleknock, Ireland
- Average snowfall days in October: 0 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 October /
Average sunshine in October
Castleknock, Ireland
- Average daylight in October: 10h 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 October: 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 October
Castleknock, Ireland
- Average sunshine days in October: 10.8 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 October
Castleknock, Ireland
- 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, November and December (UV index 2).
Average cloud cover in October
Castleknock, Ireland
- Average cloud cover in October: 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 October
Castleknock, Ireland
- Average visibility in October: 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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