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
Transitioning into August, Saint Lucas records an average high-temperature of a still moderately hot 77.5°F (25.3°C), almost identical to July's 79°F (26.1°C). During the month of August, an average low-temperature of 59.5°F (15.3°C) is recorded in Saint Lucas.Humidity
In Saint Lucas, the average relative humidity in August is 82%.Rainfall
In Saint Lucas, in August, during 14.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Saint Lucas, during the entire year, the rain falls for 146.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
In Saint Lucas, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:43 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 9.8h of sunshine.UV index
The months with the highest UV index in Saint Lucas, Iowa, are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the temperature in August in Saint Lucas?
What is the average humidity in August in Saint Lucas?
How much does it rain in Saint Lucas in August?
When it does not snow in Saint Lucas?
What is the average length of the day in August in Saint Lucas?
When is the sunrise / sunset in August in Saint Lucas?
What month has the most sunshine in Saint Lucas?
How long on average sun shines in August in Saint Lucas?
What is the month with the highest UV index in Saint Lucas?
What is the UV index reading in August in Saint Lucas?
Average temperature in August
Saint Lucas, IA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Saint Lucas, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Saint Lucas, IA
- Average wind speed in August: 7.1mph
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 (7.1mph).
Average humidity in August
Saint Lucas, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in August
Saint Lucas, IA
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Saint Lucas, IA
- Average rainfall days in August: 14.1 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Saint Lucas, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint Lucas, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Lucas, 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 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Saint Lucas, IA
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in August
Saint Lucas, 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 and December (UV index 1).
Average cloud cover in August
Saint Lucas, 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
Saint Lucas, 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).
Saint Lucas, Iowa, USA
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