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
During August, Charles City observes a subtle ascent to a still moderately hot 77.5°F (25.3°C) from July's 79.2°F (26.2°C) in the average high-temperature. The average temperature during August nights dips to a moderate 59.9°F (15.5°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In Charles City, during August, the rain falls for 13.2 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 136.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
In Charles City, Iowa, snow does not fall in June through September.Daylight
In August, the average length of the day in Charles City, Iowa, is 13h and 53min.On the first day of August, sunrise is at 6:02 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:46 pm CDT.
Sunshine
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August in Charles City is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during August leads to these advisories:
Take precautions - Protection against sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in August in Charles City?
What is the average humidity in August in Charles City?
How much does it rain in Charles City in August?
When it does not snow in Charles City?
How many hours of daylight does Charles City have in August?
When is the sunrise / sunset in August in Charles City?
What is the month with the most sunshine in Charles City?
How many hours of sunshine does Charles City have in August?
What is the UV index intensity in August in Charles City?
Average temperature in August
Charles City, IA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Charles City, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Charles City, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Charles City, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Charles City, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in August
Charles City, IA
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Charles City, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Charles City, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Charles City, 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 months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Charles City, IA
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Charles City, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Charles City, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Charles City, IA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Charles City, Iowa, USA
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