August weather forecast
Thorne Bay, AK

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Weather in August

August brings cooler weather to Thorne Bay, Alaska, with a slight drop in temperatures to between 49.8°F (9.9°C) and 60.4°F (15.8°C). Despite the temperatures remaining similar to July, rainfall sees an increase, hitting a substantial 5.24" (133mm) over the course of the month. Despite the downpours, August marks the peak of the salmon run, attracting both anglers and bears along the riverbanks. The high precipitation and lower temperatures signify an imminent seasonal transition.

Temperature

Thorne Bay witnesses its highest temperatures in July and August, reaching an average of 60.4°F (15.8°C).

Humidity

The average relative humidity in August is 89%.

Rainfall

In August, the rain falls for 19.3 days. Throughout August, 5.24" (133mm) of precipitation is accumulated. Throughout the year, there are 231.7 rainfall days, and 67.83" (1723mm) of precipitation is accumulated.

Snowfall

In Thorne Bay, snow does not fall in May through October.

Daylight

The average length of the day in August is 14h and 58min.
On the first day of the month, sunrise is at 4:57 am and sunset at 8:55 pm. On the last day of August, in Thorne Bay, Alaska, sunrise is at 5:55 am and sunset at 7:45 pm AKDT.

Sunshine

In Thorne Bay, the average sunshine in August is 5.6h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, an average UV index of 4 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

Thorne Bay sees its peak of temperatures during July and August, with an average high-temperature of 60.4°F (15.8°C).

What are August temperatures?

An average high-temperature, in August, in Thorne Bay, is 60.4°F (15.8°C) and the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in August?

The average relative humidity in August is 89%.

How many days does it rain in August?

In August, the rain falls for 19.3 days. Throughout August, 5.24" (133mm) of precipitation is accumulated.

When it does not snow?

In Thorne Bay, snow does not fall in May through October.

How many hours of daylight does Thorne Bay have in August?

In August, the average day length is 14h and 58min.

When is the sunrise / sunset in August in Thorne Bay?

In August, on the first day of the month, sunrise is at 4:57 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:45 pm AKDT.

How many hours of sunshine does Thorne Bay have in August?

In August, the average sunshine duration is 5.6h.

When is the highest UV index?

The months with the highest UV index are July and August, with an average maximum UV index of 4.

What is the UV index reading in August in Thorne Bay?

In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Thorne Bay, AK

Average temperature in August - Thorne Bay, AK
  • Average high temperature in August: 60.4°F

The warmest months (with the highest average high temperature) are July and August (60.4°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in August: 49.8°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is February (30.2°F).

Average pressure in August
Thorne Bay, AK

Average pressure in August - Thorne Bay, AK
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).

Average wind speed in August
Thorne Bay, AK

Average wind speed in August - Thorne Bay, AK
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in August
Thorne Bay, AK

Average humidity in August - Thorne Bay, AK
  • Average humidity in August: 89%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are March and May (84%).

Average rainfall in August
Thorne Bay, AK

Average rainfall in August - Thorne Bay, AK
  • Average rainfall in August: 5.24"

The wettest month (with the highest rainfall) is November (8.03").
The driest month (with the least rainfall) is May (2.83").

Average rainfall days in August
Thorne Bay, AK

Average rainfall days in August - Thorne Bay, AK
  • Average rainfall days in August: 19.3 days

The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).

Average snowfall in August
Thorne Bay, AK

Average snowfall in August - Thorne Bay, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is March (10.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Thorne Bay, AK

Average snowfall days in August - Thorne Bay, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Thorne Bay, AK

Average daylight in August / Average sunshine in August - Thorne Bay, AK
  • Average daylight in August: 15h and 0min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in August: 5h and 4min

The months with the most sunshine are May and September (Average sunshine: 5h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in August
Thorne Bay, AK

Average sunshine days in August - Thorne Bay, AK
  • Average sunshine days in August: 10.4 days

The month with the most sunshine days is July (11.1 days).
The month with the least sunshine days is November (5.3 days).

Average UV index in August
Thorne Bay, AK

Average UV index in August - Thorne Bay, AK
  • Average UV index in August: 4

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in August
Thorne Bay, AK

Average cloud cover in August - Thorne Bay, AK
  • Average cloud cover in August: 68

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is September (Cloud cover 62).

Average visibility in August
Thorne Bay, AK

Average visibility in August - Thorne Bay, AK
  • Average visibility in August: 4mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are July and August (4mi).

Thorne Bay, Alaska, USA

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