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 beginning of August reveals an average high-temperature of a still moderately hot 77.9°F (25.5°C), showing minimal deviation from the previous month. Throughout August, the temperature in Rowan falls to an average low of 60.3°F (15.7°C).Humidity
In Rowan, Iowa, the average relative humidity in August is 82%.Rainfall
In August, the rain falls for 14.3 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 136.3 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Rowan, Iowa.Daylight
In Rowan, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:34 pm. On the last day of August, in Rowan, sunrise is at 6:38 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in August in Rowan is 9.7h.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 unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are August temperatures in Rowan?
What is the average humidity in August in Rowan?
How much does it rain in Rowan in August?
When it does not snow in Rowan?
How many hours of daylight does Rowan have in August?
What time are sunrise and sunset in August in Rowan?
How long on average sun shines in August in Rowan?
What is the UV index reading in August in Rowan?
Average temperature in August
Rowan, IA
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Rowan, 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
Rowan, IA
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Rowan, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Rowan, IA
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Rowan, IA
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in August
Rowan, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rowan, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rowan, 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: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Rowan, IA
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Rowan, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Rowan, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Rowan, 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).
Rowan, Iowa, USA
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