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
August commences with an average high-temperature of a still warm 79.5°F (26.4°C), showing little deviation from July's 80.8°F (27.1°C). In the month of August, the nighttime temperature in Chelsea dips to a steady average of 61.9°F (16.6°C).Humidity
In Chelsea, the average relative humidity in August is 81%.Rainfall
In Chelsea, Iowa, during August, the rain falls for 13.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Chelsea, Iowa, during the entire year, the rain falls for 139 days and collects up to 29.49" (749mm) of precipitation.Snowfall
In Chelsea, snow does not fall in June through September.Daylight
The average length of the day in August in Chelsea, Iowa, 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 Chelsea, sunrise is at 6:35 am and sunset at 7:44 pm CDT.
Sunshine
In August, the average sunshine in Chelsea is 9.7h.UV index
In Chelsea, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the average August temperature in Chelsea?
What is the average humidity in August in Chelsea?
How many days does it rain in August in Chelsea?
When it does not snow in Chelsea?
How many hours of daylight does Chelsea have in August?
When are sunrise and sunset in August in Chelsea?
How long on average sun shines in August in Chelsea?
What is the UV index reading in August in Chelsea?
Average temperature in August
Chelsea, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Chelsea, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Chelsea, IA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Chelsea, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Chelsea, IA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Chelsea, IA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in August
Chelsea, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Chelsea, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Chelsea, 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 12min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Chelsea, IA
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in August
Chelsea, 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, October, November and December (UV index 2).
Average cloud cover in August
Chelsea, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Chelsea, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Chelsea, Iowa, USA
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