Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month, with the temperature often reaching an average high of 30.7°F (-0.7°C) and an average low of 18.3°F (-7.6°C).Humidity
With an average relative humidity of 86%, January is the most humid month in Ontario, Ohio.Rainfall
In Ontario, in January, it is raining for 6.5 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 136.4 rainfall days, and 13.15" (334mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Ontario, in January, snow falls for 9.1 days, with typically accumulated 1.14" (29mm) of snow. In Ontario, during the entire year, snow falls for 33.8 days and aggregates up to 5.12" (130mm) of snow.Daylight
The average length of the day in January is 9h and 39min.On the first day of January in Ontario, sunrise is at 7:54 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:46 pm EST.
Sunshine
With an average of 3.1h of sunshine, January has the least sunshine of the year in Ontario.UV index
In Ontario, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Ontario?
How cold is January in Ontario?
What is the most humid month in Ontario?
What is the average humidity in January in Ontario?
How many days does it rain in January in Ontario?
How much does it snow in Ontario in January?
How many hours of daylight does Ontario have in January?
When are sunrise and sunset in January in Ontario?
What is the month with the least sunshine in Ontario?
How many hours of sunshine does Ontario have in January?
What is the UV index reading in January in Ontario?
Average temperature in January
Ontario, OH
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Ontario, OH
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Ontario, OH
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Ontario, OH
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (78%).
Average rainfall in January
Ontario, OH
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in January
Ontario, OH
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Ontario, OH
- Average snowfall in January: 1.14"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Ontario, OH
- Average snowfall days in January: 9.1 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ontario, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Ontario, OH
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Ontario, OH
- Average UV index in January: 2
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Ontario, OH
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Ontario, OH
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Ontario, Ohio, USA
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