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
In October, Greystones experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 15.2°C (59.4°F) in September to a still moderate 13.4°C (56.1°F). Greystones nights in October witness a mild cool down to an average temperature of 9.9°C (49.8°F).Humidity
The average relative humidity in October is 84%.Rainfall
In October, in Greystones, the rain falls for 15.8 days. Throughout October, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Greystones, there are 200.5 rainfall days, and 530mm (20.87") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Greystones, Ireland.Sea temperature
In Greystones, in October, the average water temperature is 14.1°C (57.4°F).Note: To swim in 14.1°C (57.4°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
The average length of the day in October in Greystones, Ireland, is 10h and 35min.On the first day of October, sunrise is at 7:26 am and sunset at 7:00 pm IST. On the last day of the month, sunrise is at 7:21 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
The average sunshine in October in Greystones is 4.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in October, converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are October temperatures in Greystones?
What is the average humidity in October in Greystones?
How much does it rain in Greystones in October?
When it does not snow in Greystones?
Does it snow in Greystones in October?
What is the water temperature in October in Greystones?
What is the average length of the day in October in Greystones?
When are sunrise and sunset in October in Greystones?
When does Daylight Saving Time (DST) start in October in Greystones?
How many hours of sunshine does Greystones have in October?
How high is the UV index in October in Greystones?
Average temperature in October
Greystones, Ireland
- Average high temperature in October: 13.4°C
The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in October: 9.9°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in October
Greystones, Ireland
- Average pressure in October: 1012.8mbar
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
Greystones, Ireland
- Average wind speed in October: 21.1km/h
The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in October
Greystones, Ireland
- Average humidity in October: 84%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall in October
Greystones, Ireland
- Average rainfall in October: 48mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in October
Greystones, Ireland
- Average rainfall days in October: 15.8 days
The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).
Average snowfall in October
Greystones, Ireland
- Average snowfall in October: 0mm
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Greystones, Ireland
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in October
Greystones, Ireland
- Average sea temperature in October: 14.1°C
The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in October /
Average sunshine in October
Greystones, 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: 4h and 3min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in October
Greystones, Ireland
- Average sunshine days in October: 9.5 days
The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in October
Greystones, Ireland
- 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, November and December (UV index 2).
Average cloud cover in October
Greystones, Ireland
- Average cloud cover in October: 54
The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in October
Greystones, Ireland
- Average visibility in October: 10km
The months with the highest visibility are January, March, October and November (10km).
The months with the lowest visibility are February, April, May, June, July, August, September and December (9km).
Greystones, Ireland
Weather forecast for your location
2. Allow the app to use your location
