August weather forecastNenana, AK
August
Weather in August
August in Nenana, Alaska, experiences a shift in weather, giving early signs of the approaching autumn. The clear blue skies of July are gradually replaced by cloudy skies and a decrease in daylight hours. Despite the highest rainfall of the year - 2.56" (65mm) - August retains much of the summer’s warmth. The leaves start changing color, painting a picturesque scene in this part of Alaska. Evenings turn slightly nippy, hinting the transition to autumn, prompting residents to pull out their comfy sweaters and jackets.Temperature
With the commencement of August, Nenana records a moderate temperature decline, with the average high easing from July's pleasant 73°F (22.8°C) to an enjoyable 65.7°F (18.7°C). During August, Nenana experiences an average low-temperature of 46.8°F (8.2°C) at night.Humidity
The average relative humidity in August is 70%.Rainfall
The month with the most rainfall is August, when the rain falls for 14.9 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
In Nenana, snow does not fall in June through August.Daylight
In August, the average length of the day is 16h and 22min.On the first day of August, sunrise is at 5:02 am and sunset at 11:02 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 9:15 pm AKDT.
Sunshine
In Nenana, the average sunshine in August is 9.2h.UV index
In August, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, a daily UV index of 3 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Nenana, AK
- Average high temperature in August: 65.7°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (1.4°F).
- Average low temperature in August: 46.8°F
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (-10.8°F).
Average pressure in August
Nenana, AK
- Average pressure in August: 29.84"Hg
The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in August
Nenana, AK
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is July (5.2mph).
The calmest months (with the lowest average wind speed) are January, August, September and October (4.7mph).
Average humidity in August
Nenana, AK
- Average humidity in August: 70%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (54%).
Average rainfall in August
Nenana, AK
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in August
Nenana, AK
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is February (0.8 days).
Average snowfall in August
Nenana, AK
- Average snowfall in August: 0"
The month with the highest snowfall is November (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Nenana, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Nenana, AK
- Average daylight in August: 16h and 24min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 6min).
- Average sunshine in August: 9h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in August
Nenana, AK
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in August
Nenana, AK
- Average UV index in August: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in August
Nenana, AK
- Average cloud cover in August: 51
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 42).
Average visibility in August
Nenana, AK
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are February and March (2mi).





