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
August observes an average high-temperature of a still warm 77.5°F (25.3°C), marking an insignificant difference from July's 79.3°F (26.3°C). An average minimum temperature of 60.3°F (15.7°C) is recorded during the month of August.Humidity
In August, the average relative humidity is 82%.Rainfall
In August, the rain falls for 9.1 days. Throughout August, 0.67" (17mm) of precipitation is accumulated. In Hayfield Junction, during the entire year, the rain falls for 80.2 days and collects up to 6.14" (156mm) of precipitation.Snowfall
In Hayfield Junction, snow does not fall in June through September.Daylight
The average length of the day in August in Hayfield Junction is 13h and 53min.On the first day of August, sunrise is at 6:05 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:50 pm CDT.
Sunshine
In Hayfield Junction, the average sunshine in August is 9.6h.UV index
In Hayfield Junction, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during August translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August in Hayfield Junction?
How many days 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?
How high is the UV index in August?
Average temperature in August
Hayfield Junction, IA
- Average high temperature in August: 77.5°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 (22.5°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in August
Hayfield Junction, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Hayfield Junction, IA
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in August
Hayfield Junction, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Hayfield Junction, IA
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is January (0.2").
Average rainfall days in August
Hayfield Junction, IA
- Average rainfall days in August: 9.1 days
The month with the highest number of rainy days is June (12 days).
The months with the least rainy days are January and February (1.7 days).
Average snowfall in August
Hayfield Junction, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hayfield Junction, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hayfield Junction, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Hayfield Junction, IA
- Average sunshine days in August: 17.8 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in August
Hayfield Junction, 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 December (UV index 1).
Average cloud cover in August
Hayfield Junction, 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
Hayfield Junction, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Hayfield Junction, Iowa, USA
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