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 onset of August brings an average high-temperature of a still warm 79.5°F (26.4°C), nearly matching the July temperature. Arthur's nighttime temperature during August is consistently averaged at a refreshing 61.3°F (16.3°C).Humidity
The average relative humidity in August is 79%.Rainfall
In Arthur, Iowa, in August, during 12.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Arthur, during the entire year, the rain falls for 97 days and collects up to 10.12" (257mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 50min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:46 am and sunset at 7:56 pm CDT.
Sunshine
In Arthur, the average sunshine in August is 9.5h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Arthur have 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
Arthur, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in August
Arthur, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Arthur, IA
- Average wind speed in August: 7.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Arthur, IA
- Average humidity in August: 79%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in August
Arthur, IA
- Average rainfall in August: 1.1"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in August
Arthur, IA
- Average rainfall days in August: 12.5 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in August
Arthur, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Arthur, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.7 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
Arthur, IA
- Average daylight in August: 13h and 5min
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 6min).
- Average sunshine in August: 9h and 3min
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 12min).
Average sunshine days in August
Arthur, IA
- Average sunshine days in August: 16 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in August
Arthur, 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 and February (UV index 1).
Average cloud cover in August
Arthur, IA
- Average cloud cover in August: 32
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
Arthur, 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).
Arthur, Iowa, USA
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