August weather forecastPort Arthur, WI
August
Weather in August
August, the last month of the summer in Port Arthur, is also a moderately hot month, with an average temperature varying between 76.8°F (24.9°C) and 56.3°F (13.5°C).Temperature
The transition into August shows a subtle variation to a still warm 76.8°F (24.9°C) from July's 78.8°F (26°C) in the average high-temperature. Throughout August nights, Port Arthur registers an average low-temperature of 56.3°F (13.5°C).Humidity
In Port Arthur, the average relative humidity in August is 78%.Rainfall
In Port Arthur, Wisconsin, in August, it is raining for 13.8 days, with typically 2.36" (60mm) of accumulated precipitation. In Port Arthur, during the entire year, the rain falls for 128.5 days and collects up to 23.94" (608mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 14h and 3min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:43 pm CDT.
Sunshine
In Port Arthur, the average sunshine in August is 9.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Port Arthur, WI
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in August: 56.3°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in August
Port Arthur, WI
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Port Arthur, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Port Arthur, WI
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Port Arthur, WI
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Port Arthur, WI
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in August
Port Arthur, WI
- Average snowfall in August: 0"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Port Arthur, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Port Arthur, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in August
Port Arthur, WI
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and April (10 days).
Average UV index in August
Port Arthur, WI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Port Arthur, WI
- Average cloud cover in August: 38
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in August
Port Arthur, WI
- Average visibility in August: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).
