June weather forecastLlansteffan, United Kingdom
June weather for Llansteffan, United Kingdom: The first month of the summer, June, is a comfortable month in Llansteffan, United Kingdom, with an average temperature varying between 16.3°C (61.3°F) and 11.5°C (52.7°F). On the first day of June in Llansteffan, United Kingdom, sunrise is at 5:04 am and sunset at 9:26 pm.
June
Weather in June
The first month of the summer, June, is a comfortable month in Llansteffan, United Kingdom, with an average temperature varying between 16.3°C (61.3°F) and 11.5°C (52.7°F).Temperature
Llansteffan's weather in June, with an average high-temperature of an enjoyable 16.3°C (61.3°F), subtly shifts from May's 13.9°C (57°F). The temperature during June nights demonstrates a small drop from the daytime highs, settling to an average of 11.5°C (52.7°F).Humidity
In June, the average relative humidity in Llansteffan is 83%.Rainfall
In Llansteffan, in June, it is raining for 13.9 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 165.1 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
March through November are months without snowfall.Sea temperature
In Llansteffan, in June, the average water temperature is 13.7°C (56.7°F).Note: Entering waters of 13.7°C (56.7°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
With an average of 16h and 36min of daylight, June has the longest days of the year.On the first day of June in Llansteffan, United Kingdom, sunrise is at 5:04 am and sunset at 9:26 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 9:39 pm BST.
Sunshine
In Llansteffan, the average sunshine in June is 7.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in June, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Llansteffan, United Kingdom
- Average high temperature in June: 16.3°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The months with the lowest average high temperature are January and February (7.9°C).
- Average low temperature in June: 11.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in June
Llansteffan, United Kingdom
- Average pressure in June: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in June
Llansteffan, United Kingdom
- Average wind speed in June: 15.9km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in June
Llansteffan, United Kingdom
- Average humidity in June: 83%
The months with the highest relative humidity are January, July, August, September, October and December (84%).
The month with the lowest relative humidity is April (81%).
Average rainfall in June
Llansteffan, United Kingdom
- Average rainfall in June: 29mm
The wettest month (with the highest rainfall) is December (35mm).
The driest months (with the least rainfall) are April and May (15mm).
Average rainfall days in June
Llansteffan, United Kingdom
- Average rainfall days in June: 13.9 days
The month with the highest number of rainy days is December (17.1 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in June
Llansteffan, United Kingdom
- Average snowfall in June: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in June
Llansteffan, United Kingdom
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in June
Llansteffan, United Kingdom
- Average sea temperature in June: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in June /
Average sunshine in June
Llansteffan, United Kingdom
- Average daylight in June: 16h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in June: 7h and 54min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Llansteffan, United Kingdom
- Average sunshine days in June: 10.8 days
The month with the most sunshine days is March (15.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in June
Llansteffan, United Kingdom
- 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 and December (UV index 2).
Average cloud cover in June
Llansteffan, United Kingdom
- Average cloud cover in June: 49
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in June
Llansteffan, United Kingdom
- Average visibility in June: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
