August weather forecastHartwick, IA
August
Weather in August
The last month of the summer, August, is another warm month in Hartwick, Iowa, with an average temperature varying between 61.9°F (16.6°C) and 79.7°F (26.5°C).Temperature
August's weather records an average high-temperature of a still warm 79.7°F (26.5°C), showing little deviation from July. During August nights, Hartwick records an average temperature of 61.9°F (16.6°C).Humidity
The average relative humidity in August in Hartwick is 81%.Rainfall
In Hartwick, during August, the rain falls for 12.2 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Hartwick, Iowa, there are 135.6 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Hartwick is 13h and 49min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of August, in Hartwick, sunrise is at 6:35 am and sunset at 7:43 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
The average daily maximum UV index in August in Hartwick, Iowa, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in August transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hartwick, IA
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Hartwick, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Hartwick, IA
- Average wind speed in August: 7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Hartwick, IA
- Average humidity in August: 81%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Hartwick, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in August
Hartwick, IA
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in August
Hartwick, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hartwick, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hartwick, IA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Hartwick, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in August
Hartwick, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Hartwick, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Hartwick, 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).
