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
The advent of August reveals an average high-temperature of a still warm 77.7°F (25.4°C), showing minimal difference from the prior month. Monona records an average nighttime low of 59.5°F (15.3°C) in August.Humidity
In Monona, the average relative humidity in August is 81%.Rainfall
In Monona, during August, the rain falls for 14.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 145.2 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:26 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:41 pm CDT.
Sunshine
With an average of 9.8h of sunshine, August has the most sunshine of the year in Monona.UV index
In August, the average daily maximum UV index in Monona is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during August translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Monona?
What is the average humidity in August in Monona?
How much does it rain in Monona in August?
When it does not snow in Monona?
What is the average length of the day in August in Monona?
What time are sunrise and sunset in August in Monona?
What month has the most sunshine in Monona?
How many hours of sunshine does Monona have in August?
What is the UV index reading in August in Monona?
Average temperature in August
Monona, IA
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in August
Monona, 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 (29.89"Hg).
Average wind speed in August
Monona, IA
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in August
Monona, IA
- Average humidity in August: 81%
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
Monona, IA
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Monona, IA
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in August
Monona, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Monona, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Monona, 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 5min
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 30min).
Average sunshine days in August
Monona, IA
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in August
Monona, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Monona, 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
Monona, IA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Monona, Iowa, USA
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