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 average high-temperature in October in Shannon, at a still refreshing 13.5°C (56.3°F), reveals a modest deviation from September's 15.8°C (60.4°F). An average nighttime temperature of 7.5°C (45.5°F) is recorded in Shannon during October.Humidity
In Shannon, the average relative humidity in October is 89%.Rainfall
In Shannon, Ireland, during October, the rain falls for 16.1 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 204.6 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Sea temperature
In October, the average sea temperature in Shannon, Ireland, is 13.8°C (56.8°F).Note: In 13.8°C (56.8°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
In October, the average length of the day in Shannon is 10h and 36min.On the first day of the month, sunrise is at 7:37 am and sunset at 7:12 pm IST. On the last day of October, sunrise is at 7:31 am and sunset at 5:06 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
In October, the average sunshine is 4.3h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, a daily UV index of 3 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Shannon in October?
What is the average humidity in October in Shannon?
How many days does it rain in October in Shannon?
When it does not snow in Shannon?
How cold is the water in October in Shannon?
How many hours of daylight does Shannon have in October?
When is the sunrise / sunset in October in Shannon?
When does Daylight Saving Time (DST) start in October in Shannon?
How long on average sun shines in October in Shannon?
What is the UV index intensity in October in Shannon?
Average temperature in October
Shannon, Ireland
- Average high temperature in October: 13.5°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in October: 7.5°C
The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).
Average pressure in October
Shannon, Ireland
- Average pressure in October: 1012.2mbar
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
Shannon, Ireland
- Average wind speed in October: 15.2km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).
Average humidity in October
Shannon, Ireland
- Average humidity in October: 89%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in October
Shannon, Ireland
- Average rainfall in October: 34mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in October
Shannon, Ireland
- Average rainfall days in October: 16.1 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in October
Shannon, Ireland
- Average snowfall in October: 0mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in October
Shannon, Ireland
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in October
Shannon, Ireland
- Average sea temperature in October: 13.8°C
The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).
Average daylight in October /
Average sunshine in October
Shannon, Ireland
- Average daylight in October: 10h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in October: 4h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in October
Shannon, Ireland
- Average sunshine days in October: 11.2 days
The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in October
Shannon, Ireland
- Average UV index in October: 3
The months with the highest UV index are May and June (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
Shannon, Ireland
- Average cloud cover in October: 61
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in October
Shannon, Ireland
- Average visibility in October: 8km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
Shannon, Ireland
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