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
Troy records the coldest temperatures in January, averaging a high of 32.4°F (0.2°C) and a low of 20.7°F (-6.3°C).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Troy, during January, the rain falls for 7.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 149.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Troy, during January, snow falls for 9.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 34.4 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 7:58 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:54 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.UV index
In Troy, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January in Troy?
How many days does it snow in January?
How many hours of daylight does Troy have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January in Troy?
How high is the UV index in January in Troy?
Average temperature in January
Troy, OH
- Average high temperature in January: 32.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Troy, OH
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Troy, OH
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Troy, OH
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Troy, OH
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in January
Troy, OH
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7 days).
Average snowfall in January
Troy, OH
- Average snowfall in January: 1.85"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Troy, OH
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Troy, 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 24min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Troy, OH
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in January
Troy, OH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Troy, OH
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Troy, OH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Troy, Ohio, USA
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