August weather forecast
Bethel, AK

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Weather in August

August sees slight cooling, with temperatures dropping from July’s peak to between 59.9°F (15.5°C) to 47.8°F (8.8°C). Increased cloud cover and highest rainfall of the year, 2.09" (53mm), ensures the lushness continues. While sunshine hours start to decrease, they are still ample for outdoor activities. As summer winds down, the weather remains favorable for those looking to experience Bethel's natural beauty. This month demonstrates nature in its prime, with a vibrancy seen only during high summer.

Temperature

August's arrival brings an average high-temperature of a mild 59.9°F (15.5°C), slightly deviating from July's 62.4°F (16.9°C). Bethel observes an average low-temperature of 47.8°F (8.8°C) during August nights.

Humidity

In August, the average relative humidity is 80%.

Rainfall

August is the month with the most rainfall. Rain falls for 19.7 days and accumulates 2.09" (53mm) of precipitation.

Snowfall

In Bethel, Alaska, snow does not fall in June through August.

Daylight

In August, the average length of the day is 15h and 39min.
On the first day of the month, sunrise is at 6:25 am and sunset at 11:21 pm. On the last day of August, sunrise is at 7:40 am and sunset at 9:54 pm AKDT.

Sunshine

The average sunshine in August is 5.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 3 in August translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What are August temperatures?

The high-temperature, in August, in Bethel, records 59.9°F (15.5°C), while the low-temperature is 47.8°F (8.8°C).

What is the average humidity in August?

In August, the average relative humidity is 80%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 19.7 days and accumulates 2.09" (53mm) of precipitation.

How many days does it rain in August?

In Bethel, in August, during 19.7 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow?

In Bethel, Alaska, snow does not fall in June through August.

Does it snow in August?

In Bethel, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Bethel have in August?

The average day length in August in Bethel is 15h and 39min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:25 am and sunset at 11:21 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 9:54 pm AKDT.

How long on average sun shines in August?

In August, the average sunshine duration in Bethel is 5.6h.

What is the month with the highest UV index?

The months with the highest UV index in Bethel are May through August, with an average maximum UV index of 3.

What is the UV index reading in August?

The average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Bethel, AK

Average temperature in August - Bethel, AK
  • Average high temperature in August: 59.9°F

The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).

  • Average low temperature in August: 47.8°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

Average pressure in August
Bethel, AK

Average pressure in August - Bethel, AK
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

Average wind speed in August
Bethel, AK

Average wind speed in August - Bethel, AK
  • Average wind speed in August: 9.3mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in August
Bethel, AK

Average humidity in August - Bethel, AK
  • Average humidity in August: 80%

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).

Average rainfall in August
Bethel, AK

Average rainfall in August - Bethel, AK
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").

Average rainfall days in August
Bethel, AK

Average rainfall days in August - Bethel, AK
  • Average rainfall days in August: 19.7 days

The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).

Average snowfall in August
Bethel, AK

Average snowfall in August - Bethel, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Bethel, AK

Average snowfall days in August - Bethel, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Bethel, AK

Average daylight in August / Average sunshine in August - Bethel, AK
  • Average daylight in August: 15h and 4min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in August: 5h and 4min

The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in August
Bethel, AK

Average sunshine days in August - Bethel, AK
  • Average sunshine days in August: 8.6 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).

Average UV index in August
Bethel, AK

Average UV index in August - Bethel, AK
  • Average UV index in August: 3

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).

Average cloud cover in August
Bethel, AK

Average cloud cover in August - Bethel, AK
  • Average cloud cover in August: 67

The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).

Average visibility in August
Bethel, AK

Average visibility in August - Bethel, AK
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).

Bethel, Alaska, USA

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