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 sea temperature 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
The transition from July to August sees an average high-temperature of a fresh 55°F (12.8°C), indicating a minor variance from the prior month. During August, the temperature is averaged to a low of 44.1°F (6.7°C) at night.Humidity
In August, the average relative humidity is 84%.Rainfall
In August, the rain falls for 19.6 days. Throughout August, 4.13" (105mm) of precipitation is accumulated. In Haines, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.Snowfall
In Haines, snow does not fall in June through September.Ocean temperature
With an average ocean temperature of 53.2°F (11.8°C), August is the month with the warmest seawater.Note: Swimming in 53.2°F (11.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In Haines, the average length of the day in August is 15h and 25min.On the first day of the month, sunrise is at 4:49 am and sunset at 9:26 pm. On the last day of August, sunrise is at 5:58 am and sunset at 8:04 pm AKDT.
Sunshine
The average sunshine in August in Haines is 7h.UV index
The average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 in August translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
When is the ocean warmest?
What is the water temperature in August?
How many hours of daylight does Haines have in August?
What time are sunrise and sunset in August in Haines?
How many hours of sunshine does Haines have in August?
What is the UV index intensity in August?
Average temperature in August
Haines, AK
- Average high temperature in August: 55°F
The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in August: 44.1°F
The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).
Average pressure in August
Haines, AK
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).
Average wind speed in August
Haines, AK
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).
Average humidity in August
Haines, AK
- Average humidity in August: 84%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall in August
Haines, AK
- Average rainfall in August: 4.13"
The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in August
Haines, AK
- Average rainfall days in August: 19.6 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in August
Haines, AK
- Average snowfall in August: 0"
The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Haines, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Haines, AK
- Average sea temperature in August: 53.1°F
The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).
Average daylight in August /
Average sunshine in August
Haines, AK
- Average daylight in August: 15h and 2min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in August: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in August
Haines, AK
- Average sunshine days in August: 8.8 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in August
Haines, AK
- Average UV index in August: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in August
Haines, AK
- Average cloud cover in August: 61
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in August
Haines, AK
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Haines, Alaska, USA
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