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 advent of August sees the average high-temperature at a still moderately hot 79.2°F (26.2°C), subtly shifted from July's 81°F (27.2°C). Barnum encounters a steady low-temperature average of 61.2°F (16.2°C) throughout the month of August.Humidity
In Barnum, the average relative humidity in August is 81%.Rainfall
In Barnum, in August, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 84.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Snowfall
In Barnum, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 51min.On the first day of August in Barnum, sunrise is at 6:10 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in August in Barnum is 9.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Barnum in August?
What is the average humidity in August in Barnum?
How many days does it rain in August in Barnum?
When it does not snow in Barnum?
What is the average length of the day in August in Barnum?
When are sunrise and sunset in August in Barnum?
How long on average sun shines in August in Barnum?
How high is the UV index in August in Barnum?
Average temperature in August
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, IA
- Average daylight in August: 13h and 5min
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 6min).
- Average sunshine in August: 9h and 3min
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
Barnum, 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
Barnum, 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
Barnum, 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
Barnum, 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).
Barnum, Iowa, USA
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