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
In August, Holy Cross experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 77.9°F (25.5°C), closely mirroring the climate in July. Holy Cross, during the month of August, experiences an average low-temperature of 60.4°F (15.8°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In August, the rain falls for 14.3 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 150.8 rainfall days, and 32.4" (823mm) of precipitation is accumulated.Snowfall
In Holy Cross, snow does not fall in May through September.Daylight
The average length of the day in August in Holy Cross is 13h and 52min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:39 pm CDT.
Sunshine
The average sunshine in August in Holy Cross is 9.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Holy Cross?
What is the average humidity in August in Holy Cross?
How many days does it rain in August in Holy Cross?
When it does not snow in Holy Cross?
What is the average length of the day in August in Holy Cross?
When is the sunrise / sunset in August in Holy Cross?
How many hours of sunshine does Holy Cross have in August?
What is the month with the highest UV index in Holy Cross?
What is the UV index reading in August in Holy Cross?
Average temperature in August
Holy Cross, IA
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in August
Holy Cross, 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 (29.9"Hg).
Average wind speed in August
Holy Cross, IA
- Average wind speed in August: 7mph
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 (7mph).
Average humidity in August
Holy Cross, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in August
Holy Cross, IA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in August
Holy Cross, IA
- Average rainfall days in August: 14.3 days
The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Holy Cross, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Holy Cross, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14 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
Holy Cross, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Holy Cross, IA
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in August
Holy Cross, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Holy Cross, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in August
Holy Cross, IA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Holy Cross, Iowa, USA
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