Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Glennallen's August weather shows a modest shift in high-temperatures, falling from July's 67.5°F (19.7°C) to a still enjoyable 61.9°F (16.6°C). In August, the temperature drops to an average of 44.4°F (6.9°C) at night.Humidity
The average relative humidity in August in Glennallen is 68%.Rainfall
The month with the most rainfall is August, when the rain falls for 11.3 days and typically aggregates up to 0.91" (23mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day is 15h and 53min.On the first day of the month, sunrise is at 5:10 am and sunset at 10:26 pm. On the last day of August, sunrise is at 6:31 am and sunset at 8:53 pm AKDT.
Sunshine
In August, the average sunshine is 10.9h.UV index
The average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during August translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
What is the wettest month?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How long on average sun shines in August in Glennallen?
What is the UV index reading in August?
Average temperature in August
Glennallen, AK
- Average high temperature in August: 61.9°F
The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in August: 44.4°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).
Average pressure in August
Glennallen, AK
- Average pressure in August: 29.87"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).
Average wind speed in August
Glennallen, AK
- Average wind speed in August: 5.9mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in August
Glennallen, AK
- Average humidity in August: 68%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).
Average rainfall in August
Glennallen, AK
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").
Average rainfall days in August
Glennallen, AK
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).
Average snowfall in August
Glennallen, AK
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Glennallen, AK
- Average snowfall days in August: 0.1 days
The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in August /
Average sunshine in August
Glennallen, AK
- Average daylight in August: 15h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in August: 10h and 5min
The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in August
Glennallen, AK
- Average sunshine days in August: 17.3 days
The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).
Average UV index in August
Glennallen, AK
- Average UV index in August: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in August
Glennallen, AK
- Average cloud cover in August: 38
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Glennallen, AK
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and March (4mi).
Glennallen, Alaska, USA
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