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 transition from July to August brings an average high-temperature of a still moderately hot 78.1°F (25.6°C), barely different from July's 80.2°F (26.8°C). In Halfa, the average nighttime temperature during August is a refreshing 59.5°F (15.3°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In August, in Halfa, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Halfa, Iowa, during the entire year, the rain falls for 123.7 days and collects up to 23.66" (601mm) of precipitation.Snowfall
June through September are months without snowfall in Halfa.Daylight
In August, the average length of the day is 13h and 55min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:39 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:54 pm CDT.
Sunshine
In Halfa, Iowa, the average sunshine in August is 9.6h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Halfa in August?
What is the average humidity in August in Halfa?
How many days does it rain in August in Halfa?
When it does not snow in Halfa?
What is the average length of the day in August in Halfa?
What time are sunrise and sunset in August in Halfa?
How many hours of sunshine does Halfa have in August?
How high is the UV index in August in Halfa?
Average temperature in August
Halfa, IA
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in August
Halfa, IA
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Halfa, IA
- Average wind speed in August: 7.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in August
Halfa, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Halfa, IA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Halfa, IA
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Halfa, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Halfa, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Halfa, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Halfa, IA
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in August
Halfa, 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
Halfa, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in August
Halfa, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Halfa, Iowa, USA
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