June weather forecastSaint Johns, Guernsey
June
Weather in June
June, the first month of the summer in Saint Johns, is a refreshing month, with an average temperature fluctuating between 13.2°C (55.8°F) and 15.2°C (59.4°F).Temperature
In June, the average high-temperature registers at a moderate 15.2°C (59.4°F), nearly identical to May's 12.8°C (55°F). During the June nights, Saint Johns's temperature maintains an average close to the daytime highs, settling at a still mild 13.2°C (55.8°F).Humidity
June and July, with an average relative humidity of 84%, are the most humid months.Rainfall
In Saint Johns, during June, the rain falls for 11.5 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
June has the longest days of the year, with an average of 16h and 12min of daylight.On the first day of the month, sunrise is at 05:07 and sunset at 21:08. On the last day of June, sunrise is at 05:07 and sunset at 21:20 BST.
Sunshine
In June, the average sunshine is 9.1h.UV index
The average daily maximum UV index in June is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during June leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint Johns, Guernsey
- Average high temperature in June: 15.2°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).
- Average low temperature in June: 13.2°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in June
Saint Johns, Guernsey
- Average pressure in June: 1016.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in June
Saint Johns, Guernsey
- Average wind speed in June: 22.8km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in June
Saint Johns, Guernsey
- Average humidity in June: 84%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in June
Saint Johns, Guernsey
- Average rainfall in June: 33mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in June
Saint Johns, Guernsey
- Average rainfall days in June: 11.5 days
The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in June
Saint Johns, Guernsey
- Average snowfall in June: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in June
Saint Johns, Guernsey
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in June /
Average sunshine in June
Saint Johns, Guernsey
- Average daylight in June: 16h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in June: 9h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in June
Saint Johns, Guernsey
- Average sunshine days in June: 16 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).
Average UV index in June
Saint Johns, Guernsey
- Average UV index in June: 4
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in June
Saint Johns, Guernsey
- Average cloud cover in June: 41
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in June
Saint Johns, Guernsey
- Average visibility in June: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
