Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The onset of October comes with a shift in the average high-temperature, falling from a moderately hot 74.1°F (23.4°C) in September to a refreshing 61.9°F (16.6°C). During October, Ottawa's temperature falls to a steady low-temperature average of 46.2°F (7.9°C).Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In Ottawa, in October, during 13.8 rainfall days, 1.97" (50mm) 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
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Ottawa, during the entire year, snow falls for 50.5 days and aggregates up to 13.66" (347mm) of snow.Daylight
The average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 7:33 am and sunset at 7:17 pm. On the last day of October, sunrise is at 8:06 am and sunset at 6:32 pm EDT.
Sunshine
The average sunshine in October is 5.9h.UV index
In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during October leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the least humid month in Ottawa?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Ottawa have in October?
What is the UV index intensity in October?
Average temperature in October
Ottawa, OH
- Average high temperature in October: 61.9°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 October: 46.2°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 October
Ottawa, OH
- Average pressure in October: 30.02"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 October
Ottawa, OH
- Average wind speed in October: 8.8mph
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 October
Ottawa, OH
- Average humidity in October: 74%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Ottawa, OH
- Average rainfall in October: 1.97"
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 October
Ottawa, OH
- Average rainfall days in October: 13.8 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 October
Ottawa, OH
- Average snowfall in October: 0.04"
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 October
Ottawa, OH
- Average snowfall days in October: 0.3 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 October /
Average sunshine in October
Ottawa, OH
- Average daylight in October: 11h and 1min
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 October: 5h and 5min
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 October
Ottawa, OH
- Average sunshine days in October: 14.9 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 October
Ottawa, OH
- Average UV index in October: 2
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 October
Ottawa, OH
- Average cloud cover in October: 43
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 October
Ottawa, OH
- Average visibility in October: 6mi
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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