Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The months of July and August see the peak of Dún Laoghaire's temperatures, averaging a high of 16.9°C (62.4°F).Humidity
In August, the average relative humidity in Dún Laoghaire is 85%.Rainfall
In Dún Laoghaire, in August, it is raining for 19.3 days, with typically 53mm (2.09") of accumulated precipitation. In Dún Laoghaire, during the entire year, the rain falls for 200.5 days and collects up to 530mm (20.87") of precipitation.Snowfall
In Dún Laoghaire, snow does not fall in April through October.Sea temperature
The month with the warmest seawater in Dún Laoghaire is August, with an average sea temperature of 14.9°C (58.8°F).Note: Swimming in 14.9°C (58.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
In August, the average length of the day in Dún Laoghaire is 14h and 43min.On the first day of the month, sunrise is at 5:42 am and sunset at 9:19 pm. On the last day of August, in Dún Laoghaire, Ireland, sunrise is at 6:33 am and sunset at 8:15 pm IST.
Sunshine
In August, the average sunshine in Dún Laoghaire is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Dún Laoghaire. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 4 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the warmest month in Dún Laoghaire?
What is the average August temperature in Dún Laoghaire?
What is the average humidity in August in Dún Laoghaire?
How many days does it rain in August in Dún Laoghaire?
When it does not snow in Dún Laoghaire?
What is the month with the warmest sea water in Dún Laoghaire?
What is the sea water temperature in August in Dún Laoghaire?
How many hours of daylight does Dún Laoghaire have in August?
When are sunrise and sunset in August in Dún Laoghaire?
How many hours of sunshine does Dún Laoghaire have in August?
What are the months with the highest UV index in Dún Laoghaire?
What is the UV index reading in August in Dún Laoghaire?
Average temperature in August
Dún Laoghaire, Ireland
- Average high temperature in August: 16.9°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 August: 12.7°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 August
Dún Laoghaire, Ireland
- Average pressure in August: 1012.9mbar
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 August
Dún Laoghaire, Ireland
- Average wind speed in August: 17.7km/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 August
Dún Laoghaire, Ireland
- Average humidity in August: 85%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall in August
Dún Laoghaire, Ireland
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in August
Dún Laoghaire, Ireland
- Average rainfall days in August: 19.3 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 August
Dún Laoghaire, Ireland
- Average snowfall in August: 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 August
Dún Laoghaire, Ireland
- Average snowfall days in August: 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 August
Dún Laoghaire, Ireland
- Average sea temperature in August: 14.9°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 August /
Average sunshine in August
Dún Laoghaire, Ireland
- Average daylight in August: 14h 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 August: 7h and 4min
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 August
Dún Laoghaire, Ireland
- Average sunshine days in August: 7.6 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 August
Dún Laoghaire, Ireland
- Average UV index in August: 4
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 August
Dún Laoghaire, Ireland
- Average cloud cover in August: 51
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 August
Dún Laoghaire, Ireland
- Average visibility in August: 9km
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).
Dún Laoghaire, Ireland
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