June
Weather in June
Temperature
June ushers in an average high-temperature of a still refreshing 19.2°C (66.6°F), aligning closely with the preceding month. The average temperature during June nights is registered at a fresh 12.1°C (53.8°F).Rainfall
June is the month with the least rainfall in Portsmouth. Rain falls for 7.4 days and accumulates 42mm (1.65") of precipitation.Sea temperature
In Portsmouth, in June, the average water temperature is 13.6°C (56.5°F).Note: Navigating the 13.6°C (56.5°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The month with the longest days is June, with an average of 16h and 24min of daylight.On the first day of June, sunrise is at 4:55 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 9:21 pm BST.
Sunshine
In Portsmouth, United Kingdom, the average sunshine in June is 8.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Portsmouth, United Kingdom. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in June transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June in Portsmouth?
What is the driest month in Portsmouth?
How much does it rain in Portsmouth in June?
What is the water temperature in June in Portsmouth?
When are the longest days in Portsmouth?
What is the average length of the day in June in Portsmouth?
When is the sunrise / sunset in June in Portsmouth?
How long on average sun shines in June in Portsmouth?
What are the months with the highest UV index in Portsmouth?
How high is the UV index in June in Portsmouth?
Average temperature in June
Portsmouth, United Kingdom
- Average high temperature in June: 19.2°C
The warmest months (with the highest average high temperature) are July and August (21.4°C).
The months with the lowest average high temperature are January and February (8.2°C).
- Average low temperature in June: 12.1°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average rainfall in June
Portsmouth, United Kingdom
- Average rainfall in June: 42mm
The wettest month (with the highest rainfall) is October (86.2mm).
The driest month (with the least rainfall) is June (42mm).
Average rainfall days in June
Portsmouth, United Kingdom
- Average rainfall days in June: 7.4 days
The months with the highest number of rainy days are January and December (11.2 days).
The month with the least rainy days is July (5.4 days).
Average sea temperature in June
Portsmouth, United Kingdom
- Average sea temperature in June: 13.6°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight in June /
Average sunshine in June
Portsmouth, United Kingdom
- Average daylight in June: 16h and 2min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in June: 8h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average UV index in June
Portsmouth, United Kingdom
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
