August weather forecastCantwell, AK
August
Weather in August
August, the last month of the summer in Cantwell, is another cool month, with an average temperature ranging between max 51.8°F (11°C) and min 37.9°F (3.3°C).Temperature
A mild drop in Cantwell's average high-temperature is observed in August, transitioning from a mild 57.7°F (14.3°C) in July to a fresh 51.8°F (11°C). Cantwell experiences a mean temperature of 37.9°F (3.3°C) during August nights.Humidity
The average relative humidity in August is 81%.Rainfall
In Cantwell, in August, during 16.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Cantwell, Alaska, during the entire year, the rain falls for 124.9 days and collects up to 14.88" (378mm) of precipitation.Snowfall
Months with snowfall in Cantwell are January through June, August through December. August is the first month it typically snows. Throughout August, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 145.2 snowfall days, and 58.39" (1483mm) of snow is accumulated.Daylight
In August, the average length of the day is 16h and 7min.On the first day of the month, sunrise is at 5:13 am and sunset at 10:50 pm. On the last day of August, sunrise is at 6:40 am and sunset at 9:10 pm AKDT.
Sunshine
In Cantwell, the average sunshine in August is 8.2h.UV index
The average daily maximum UV index in August is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during August translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cantwell, AK
- Average high temperature in August: 51.8°F
The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (3.4°F).
- Average low temperature in August: 37.9°F
The month with the highest average low temperature is July (41.7°F).
The coldest month (with the lowest average low temperature) is January (-8°F).
Average pressure in August
Cantwell, AK
- Average pressure in August: 29.85"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in August
Cantwell, AK
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is December (5.5mph).
The calmest months (with the lowest average wind speed) are May and June (4.8mph).
Average humidity in August
Cantwell, AK
- Average humidity in August: 81%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in August
Cantwell, AK
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in August
Cantwell, AK
- Average rainfall days in August: 16.6 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Cantwell, AK
- Average snowfall in August: 0.08"
The month with the highest snowfall is October (10.98").
The month with the least snowfall is July (0").
Average snowfall days in August
Cantwell, AK
- Average snowfall days in August: 0.3 days
The months with the highest number of snowfall days are March and April (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight in August /
Average sunshine in August
Cantwell, AK
- Average daylight in August: 16h and 6min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in August: 8h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in August
Cantwell, AK
- Average sunshine days in August: 12 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in August
Cantwell, AK
- Average UV index in August: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in August
Cantwell, AK
- Average cloud cover in August: 59
The month with the most cloud cover is April (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in August
Cantwell, AK
- Average visibility in August: 4mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, March and November (3mi).





