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
Ottawa, Ohio, starts August with an average high-temperature of a still warm 79.2°F (26.2°C), hinting at a minimal fluctuation from July. An average low-temperature of 61.2°F (16.2°C) is observed during August nights in Ottawa.Humidity
The average relative humidity in August is 82%.Rainfall
In Ottawa, in August, during 15 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Ottawa, during the entire year, the rain falls for 161 days and collects up to 27.24" (692mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Ottawa, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:52 pm. On the last day of August, in Ottawa, sunrise is at 7:02 am and sunset at 8:09 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are August temperatures in Ottawa?
What is the average humidity in August in Ottawa?
How much does it rain in Ottawa in August?
When it does not snow in Ottawa?
How many hours of daylight does Ottawa have in August?
What time are sunrise and sunset in August in Ottawa?
How many hours of sunshine does Ottawa have in August?
How high is the UV index in August in Ottawa?
Average temperature in August
Ottawa, OH
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Ottawa, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Ottawa, OH
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Ottawa, OH
- Average humidity in August: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Ottawa, OH
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in August
Ottawa, OH
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in August
Ottawa, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Ottawa, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Ottawa, OH
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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: 3h and 18min).
Average sunshine days in August
Ottawa, OH
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in August
Ottawa, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Ottawa, OH
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Ottawa, OH
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Ottawa, Ohio, USA
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