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
At the onset of August, Spirit Lake records an average high-temperature of a still moderately hot 78.3°F (25.7°C), showing little deviation from the preceding month. The temperature dips to an average of 59.5°F (15.3°C) during August nights.Humidity
In August, the average relative humidity is 79%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. In Spirit Lake, during the entire year, the rain falls for 124.6 days and collects up to 24.37" (619mm) of precipitation.Snowfall
June through September are months without snowfall in Spirit Lake.Daylight
In August, the average length of the day is 13h and 55min.On the first day of August, sunrise is at 6:11 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:56 pm CDT.
Sunshine
In Spirit Lake, the average sunshine in August is 9.5h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Spirit Lake in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Spirit Lake have in August?
What is the UV index intensity in August?
Average temperature in August
Spirit Lake, IA
- Average high temperature in August: 78.3°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 (22.5°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 (9.3°F).
Average pressure in August
Spirit Lake, IA
- Average pressure in August: 29.95"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
Spirit Lake, IA
- Average wind speed in August: 7.9mph
The windiest months (with the highest average wind speed) are January, February and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in August
Spirit Lake, IA
- Average humidity in August: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Spirit Lake, IA
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in August
Spirit Lake, IA
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in August
Spirit Lake, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Spirit Lake, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Spirit Lake, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Spirit Lake, IA
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in August
Spirit Lake, 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, February and November (UV index 1).
Average cloud cover in August
Spirit Lake, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Spirit Lake, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Spirit Lake, Iowa, USA
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