Weather in June
Temperature
Upon the onset of June, Londonderry witnesses an average high-temperature of a still refreshing 17°C (62.6°F), showing a close resemblance to the prior month. In Londonderry, the expected average low-temperature for June is a chilly 9.7°C (49.5°F).Rainfall
In Londonderry, in June, it is raining for 11 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, there are 170 rainfall days, and 853mm (33.58") of precipitation is accumulated.Sea temperature
In June, the average sea temperature is 12.1°C (53.8°F).Note: Danger awaits those who swim in 12.1°C (53.8°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
The month with the longest days in Londonderry is June, with an average of 17h and 18min of daylight.On the first day of the month, sunrise is at 4:56 am and sunset at 9:57 pm. On the last day of June, in Londonderry, sunrise is at 4:54 am and sunset at 10:11 pm BST.
Sunshine
In Londonderry, the average sunshine in June is 5.4h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 6 in June translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in June in Londonderry?
How many days does it rain in June in Londonderry?
How cold is the water in June in Londonderry?
When are the longest days in Londonderry?
What is the average length of the day in June in Londonderry?
When is the sunrise / sunset in June in Londonderry?
How many hours of sunshine does Londonderry have in June?
When is the highest UV index in Londonderry?
What is the UV index intensity in June in Londonderry?
Average temperature in June
Londonderry, United Kingdom
- Average high temperature in June: 17°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The months with the lowest average high temperature are January and December (8°C).
- Average low temperature in June: 9.7°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average rainfall in June
Londonderry, United Kingdom
- Average rainfall in June: 56.1mm
The wettest month (with the highest rainfall) is October (89mm).
The driest month (with the least rainfall) is May (51.2mm).
Average rainfall days in June
Londonderry, United Kingdom
- Average rainfall days in June: 11 days
The month with the highest number of rainy days is November (19 days).
The month with the least rainy days is June (11 days).
Average sea temperature in June
Londonderry, United Kingdom
- Average sea temperature in June: 12.1°C
The best month for swimming (with the highest average sea temperature) is August (14.7°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in June /
Average sunshine in June
Londonderry, United Kingdom
- Average daylight in June: 17h and 2min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in June: 5h and 2min
The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average UV index in June
Londonderry, United Kingdom
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 0).
Londonderry, United Kingdom
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