August weather forecastPalmer, IA
August
Weather in August
August, the last month of the summer in Palmer, is another warm month, with an average temperature ranging between max 79.2°F (26.2°C) and min 61.2°F (16.2°C).Temperature
Palmer experiences an average high-temperature of a still moderately hot 79.2°F (26.2°C) in August, marking an insignificant shift from 81°F (27.2°C) in July. During August, the nighttime temperature averages of 61.2°F (16.2°C).Humidity
In Palmer, the average relative humidity in August is 81%.Rainfall
In Palmer, during August, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Palmer, during the entire year, the rain falls for 84.6 days and collects up to 7.91" (201mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 6:11 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:53 pm CDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
In Palmer, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Palmer, IA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Palmer, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Palmer, 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
Palmer, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in August
Palmer, IA
- Average rainfall in August: 0.79"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in August
Palmer, IA
- Average rainfall days in August: 10.1 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Palmer, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Palmer, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Palmer, IA
- Average daylight in August: 13h and 54min
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 30min
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
Palmer, IA
- Average sunshine days in August: 18.8 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in August
Palmer, 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 and February (UV index 1).
Average cloud cover in August
Palmer, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in August
Palmer, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





