June weather forecastUnalaska, AK
June
Weather in June
June reveals a more pleasant profile of weather in Unalaska, reflecting a clear summer onset with the average high temperatures climbing until they hit the mid-40s°F. The daylight hours reach their zenith, emphasizing the arrival of the Alaskan summer. There's a noticeable calmness in the wind, adding to the overall soothing summer feel. Sea temperatures register a mild increment compared to previous months. The visibility witnesses a slight increment, improving general weather conditions.Temperature
In the transition from May to June, Unalaska reports an average high-temperature of a frosty 46.4°F (8°C), indicating a close resemblance to the prior month. Recording a slight drop from the daily maximum, Unalaska notes an average low temperature of 43°F (6.1°C) in the month of June.Humidity
In June, the average relative humidity is 89%.Rainfall
In Unalaska, in June, it is raining for 17.2 days, with typically 2.13" (54mm) of accumulated precipitation. In Unalaska, during the entire year, the rain falls for 198.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
June through September are months without snowfall.Ocean temperature
In Unalaska, the average seawater temperature in June is 44.4°F (6.9°C).Note: Swimming in 44.4°F (6.9°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
June has the longest days of the year, with an average of 17h and 0min of daylight.On the first day of June, sunrise is at 6:40 am and sunset at 11:27 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 11:40 pm AKDT.
Sunshine
The month with the most sunshine is June, with an average of 5.8h of sunshine.UV index
In Unalaska, the average daily maximum UV index in June is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during June leads to these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Unalaska, AK
- Average high temperature in June: 46.4°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is March (34.7°F).
- Average low temperature in June: 43°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (30.7°F).
Average pressure in June
Unalaska, AK
- Average pressure in June: 29.88"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is January (29.5"Hg).
Average wind speed in June
Unalaska, AK
- Average wind speed in June: 9.6mph
The windiest months (with the highest average wind speed) are November and December (16.5mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in June
Unalaska, AK
- Average humidity in June: 89%
The month with the highest relative humidity is July (91%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall in June
Unalaska, AK
- Average rainfall in June: 2.13"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in June
Unalaska, AK
- Average rainfall days in June: 17.2 days
The month with the highest number of rainy days is October (21.8 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in June
Unalaska, AK
- Average snowfall in June: 0"
The month with the highest snowfall is January (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Unalaska, AK
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in June
Unalaska, AK
- Average sea temperature in June: 44.5°F
The best month for swimming (with the highest average sea temperature) is August (50.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in June /
Average sunshine in June
Unalaska, AK
- Average daylight in June: 17h and 0min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in June: 5h and 48min
The month with the most sunshine is June (Average sunshine: 5h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in June
Unalaska, AK
- Average sunshine days in June: 8.8 days
The month with the most sunshine days is August (9.7 days).
The month with the least sunshine days is April (3.8 days).
Average UV index in June
Unalaska, AK
- Average UV index in June: 2
The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are February, March, April and November (UV index 1).
Average cloud cover in June
Unalaska, AK
- Average cloud cover in June: 70
The month with the most cloud cover is July (Cloud cover 74).
The months with the least cloud cover are September and October (Cloud cover 66).
Average visibility in June
Unalaska, AK
- Average visibility in June: 6mi
The months with the highest visibility are May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, July and December (5mi).





