August weather forecastClinton, IA
August
Weather in August
August continues the summer trend, with near-identical weather conditions as July. Highs remain steadfast at around 79.9°F (26.6°C), making it one of the warmest months in Clinton, Iowa. August proves a favorite month for water sports enthusiasts as the water temperature remains pleasingly warm. Despite the heat, the constant touch of the cool breeze off the Mississippi River adds a hint of freshness to the summer air.Temperature
Shifting into August, Clinton records an average high-temperature of a still moderately hot 79.9°F (26.6°C), presenting minor fluctuations compared to the previous month. In August, Clinton's temperature tends to fall to an average low of 61.9°F (16.6°C) during the night.Humidity
In Clinton, the average relative humidity in August is 81%.Rainfall
In Clinton, in August, during 11.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Clinton, during the entire year, the rain falls for 126.2 days and collects up to 19.37" (492mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Clinton, Iowa, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:35 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Clinton, IA
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in August
Clinton, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Clinton, IA
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Clinton, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Clinton, IA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in August
Clinton, IA
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in August
Clinton, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Clinton, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Clinton, IA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Clinton, IA
- Average sunshine days in August: 17.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in August
Clinton, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Clinton, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Clinton, IA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
