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
Welcoming August, Marcus notes an average high-temperature of a still moderately hot 80.1°F (26.7°C), nearly consistent with July's 82°F (27.8°C). In August, Marcus reports a consistent average low-temperature of 61°F (16.1°C) during the nights.Humidity
In Marcus, the average relative humidity in August is 77%.Rainfall
In Marcus, in August, during 13.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Marcus, during the entire year, the rain falls for 116.2 days and collects up to 22.05" (560mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 6:15 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:58 pm CDT.
Sunshine
In August, the average sunshine is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Marcus in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Marcus, IA
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in August
Marcus, IA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Marcus, IA
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in August
Marcus, IA
- Average humidity in August: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Marcus, IA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in August
Marcus, IA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in August
Marcus, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Marcus, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marcus, IA
- Average daylight in August: 13h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Marcus, IA
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in August
Marcus, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Marcus, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Marcus, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Marcus, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location