June weather forecastSaint John Harbor, AK
June
Weather in June
June, the first month of the summer in Saint John Harbor, is a mild month, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 46.2°F (7.9°C).Temperature
Entering June, the average high-temperature is recorded at a moderate 55.4°F (13°C), exhibiting a minimal shift from May's 51.6°F (10.9°C). Saint John Harbor encounters a steady low-temperature average of 46.2°F (7.9°C) throughout the month of June.Humidity
The average relative humidity in June is 83%.Rainfall
In Saint John Harbor, in June, during 19.3 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 197.9 rainfall days, and 53.03" (1347mm) of precipitation is accumulated.Snowfall
In Saint John Harbor, snow does not fall in June through September.Daylight
With an average of 17h and 36min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 4:09 am and sunset at 9:30 pm. On the last day of June, sunrise is at 4:06 am and sunset at 9:44 pm AKDT.
Sunshine
In Saint John Harbor, the average sunshine in June is 7.1h.UV index
In Saint John Harbor, the average daily maximum UV index in June is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in June transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint John Harbor, AK
- Average high temperature in June: 55.4°F
The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in June: 46.2°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).
Average pressure in June
Saint John Harbor, AK
- Average pressure in June: 29.98"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in June
Saint John Harbor, AK
- Average wind speed in June: 4.1mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).
Average humidity in June
Saint John Harbor, AK
- Average humidity in June: 83%
The months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).
Average rainfall in June
Saint John Harbor, AK
- Average rainfall in June: 3.19"
The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").
Average rainfall days in June
Saint John Harbor, AK
- Average rainfall days in June: 19.3 days
The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in June
Saint John Harbor, AK
- Average snowfall in June: 0"
The month with the highest snowfall is March (13.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Saint John Harbor, AK
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Saint John Harbor, AK
- Average daylight in June: 17h and 36min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in June: 7h and 6min
The month with the most sunshine is May (Average sunshine: 7h and 24min).
The months with the least sunshine are January and November (Average sunshine: 3h and 24min).
Average sunshine days in June
Saint John Harbor, AK
- Average sunshine days in June: 9 days
The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).
Average UV index in June
Saint John Harbor, AK
- Average UV index in June: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in June
Saint John Harbor, AK
- Average cloud cover in June: 61
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are February and May (Cloud cover 54).
Average visibility in June
Saint John Harbor, AK
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





