August weather forecastMarquette, IA
August
Weather in August
August, the last month of the summer in Marquette, is another warm month, with an average temperature varying between 78.6°F (25.9°C) and 59.4°F (15.2°C).Temperature
As July turns into August, the average high-temperatures rest at a still warm 78.6°F (25.9°C), showing a minor variation from the prior month. Marquette's temperature lowers to a mean of 59.4°F (15.2°C) during the nights in August.Humidity
In Marquette, Iowa, the average relative humidity in August is 80%.Rainfall
In August, the rain falls for 11.8 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Marquette, during the entire year, the rain falls for 124.7 days and collects up to 22.56" (573mm) of precipitation.Snowfall
June through September are months without snowfall in Marquette.Daylight
The average length of the day in August in Marquette is 13h and 53min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:25 pm. On the last day of August, in Marquette, sunrise is at 6:28 am and sunset at 7:40 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 9.8h of sunshine.UV index
In Marquette, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in August leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marquette, IA
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Marquette, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Marquette, IA
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Marquette, IA
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Marquette, IA
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in August
Marquette, IA
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Marquette, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marquette, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marquette, IA
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Marquette, IA
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in August
Marquette, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Marquette, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Marquette, IA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
