Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average sea temperature in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
June
Weather in June
Temperature
Portmarnock's weather in June, with an average high-temperature of a still refreshing 15.7°C (60.3°F), subtly shifts from May's 13.2°C (55.8°F). Portmarnock witnesses a consistent average low-temperature of 10.3°C (50.5°F) throughout June.Humidity
In Portmarnock, the average relative humidity in June is 85%.Rainfall
In Portmarnock, in June, during 14.9 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Portmarnock, during the entire year, the rain falls for 159.4 days and collects up to 362mm (14.25") of precipitation.Snowfall
In Portmarnock, Ireland, snow does not fall in April through October.Sea temperature
In Portmarnock, in June, the average water temperature is 12.3°C (54.1°F).Note: Swimming in 12.3°C (54.1°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
June has the longest days of the year in Portmarnock, Ireland, with an average of 16h and 54min of daylight.On the first day of the month, sunrise is at 5:01 am and sunset at 9:43 pm. On the last day of June, in Portmarnock, Ireland, sunrise is at 5:00 am and sunset at 9:56 pm IST.
Sunshine
April through June, with an average of 7.5h of sunshine, are months with the most sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In June, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature in Portmarnock?
What is the average humidity in June in Portmarnock?
How much does it rain in Portmarnock in June?
When it does not snow in Portmarnock?
What is the sea water temperature in June in Portmarnock?
When are the longest days in Portmarnock?
What is the average length of the day in June in Portmarnock?
When is the sunrise / sunset in June in Portmarnock?
What are the months with the most sunshine in Portmarnock?
How long on average sun shines in June in Portmarnock?
When is the highest UV index in Portmarnock?
What is the UV index reading in June in Portmarnock?
Average temperature in June
Portmarnock, Ireland
- Average high temperature in June: 15.7°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in June: 10.3°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in June
Portmarnock, Ireland
- Average pressure in June: 1015.2mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in June
Portmarnock, Ireland
- Average wind speed in June: 15.2km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in June
Portmarnock, Ireland
- Average humidity in June: 85%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in June
Portmarnock, Ireland
- Average rainfall in June: 39mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in June
Portmarnock, Ireland
- Average rainfall days in June: 14.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in June
Portmarnock, Ireland
- Average snowfall in June: 0mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in June
Portmarnock, Ireland
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in June
Portmarnock, Ireland
- Average sea temperature in June: 12.3°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 June /
Average sunshine in June
Portmarnock, Ireland
- Average daylight in June: 16h and 5min
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 June: 7h and 3min
The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in June
Portmarnock, Ireland
- Average sunshine days in June: 12.4 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in June
Portmarnock, Ireland
- Average UV index in June: 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 June
Portmarnock, Ireland
- Average cloud cover in June: 53
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in June
Portmarnock, Ireland
- Average visibility in June: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
