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
With the start of August, Otis measures an average high-temperature of a still warm 79.5°F (26.4°C), not significantly differing from July's 80.8°F (27.1°C). During August nights, Otis witnesses a consistent average temperature of 62.1°F (16.7°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In Otis, in August, during 11.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Otis, during the entire year, the rain falls for 120.7 days and collects up to 18.31" (465mm) of precipitation.Snowfall
In Otis, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:41 pm CDT.
Sunshine
In Otis, Iowa, the average sunshine in August is 9.9h.UV index
In Otis, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during August leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow in Otis?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Otis, 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 (26.2°F).
- Average low temperature in August: 62.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in August
Otis, 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 (29.9"Hg).
Average wind speed in August
Otis, IA
- Average wind speed in August: 7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Otis, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Otis, IA
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in August
Otis, IA
- Average rainfall days in August: 11.9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Otis, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Otis, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Otis, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Otis, IA
- Average sunshine days in August: 17 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Otis, 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 December (UV index 1).
Average cloud cover in August
Otis, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Otis, 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).
Otis, Iowa, USA
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