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
Gustavus registers an average high-temperature of a still mild 56.5°F (13.6°C) with the arrival of August, showing minor deviation from the preceding month. Gustavus's nighttime temperatures in August display a slight drop from daytime highs, averaging to a frosty 48.9°F (9.4°C).Humidity
The most humid month is August, with an average relative humidity of 90%.Rainfall
In Gustavus, in August, it is raining for 16.8 days, with typically 3.39" (86mm) of accumulated precipitation. In Gustavus, Alaska, during the entire year, the rain falls for 182.7 days and collects up to 37.4" (950mm) of precipitation.Snowfall
In Gustavus, snow does not fall in May through September.Daylight
The average length of the day in August is 15h and 18min.On the first day of August, sunrise is at 4:56 am and sunset at 9:22 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:04 pm AKDT.
Sunshine
In Gustavus, the average sunshine in August is 5.6h.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 exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in August transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Gustavus?
What is the most humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Gustavus have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August in Gustavus?
How high is the UV index in August?
Average temperature in August
Gustavus, AK
- Average high temperature in August: 56.5°F
The warmest month (with the highest average high temperature) is July (57.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 48.9°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).
Average pressure in August
Gustavus, AK
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).
Average wind speed in August
Gustavus, AK
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).
Average humidity in August
Gustavus, AK
- Average humidity in August: 90%
The month with the highest relative humidity is August (90%).
The month with the lowest relative humidity is November (84%).
Average rainfall in August
Gustavus, AK
- Average rainfall in August: 3.39"
The wettest months (with the highest rainfall) are October and November (4.21").
The driest month (with the least rainfall) is May (1.61").
Average rainfall days in August
Gustavus, AK
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in August
Gustavus, AK
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Gustavus, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Gustavus, AK
- Average daylight in August: 15h and 2min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in August: 5h and 4min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in August
Gustavus, AK
- Average sunshine days in August: 11.5 days
The months with the most sunshine days are February and May (12.5 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in August
Gustavus, 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 November and December (UV index 1).
Average cloud cover in August
Gustavus, AK
- Average cloud cover in August: 67
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in August
Gustavus, 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).
Gustavus, Alaska, USA
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