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
The coldest time of the year is January, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 18.7°F (-7.4°C).Humidity
In January, the average relative humidity is 84%.Rainfall
In Royal Oak, during January, the rain falls for 6.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 147.7 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Royal Oak, in January, during 14.3 snowfall days, 4.33" (110mm) of snow is typically accumulated. Throughout the year, there are 53 snowfall days, and 15.43" (392mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 29min.On the first day of January, sunrise is at 8:02 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:44 pm EST.
Sunshine
With an average of 3h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Royal Oak, Michigan, are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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 is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine in Royal Oak?
How many hours of sunshine does Royal Oak have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Royal Oak, MI
- Average high temperature in January: 28.8°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 (28.8°F).
- Average low temperature in January: 18.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in January
Royal Oak, MI
- Average pressure in January: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Royal Oak, MI
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Royal Oak, MI
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in January
Royal Oak, MI
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in January
Royal Oak, MI
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (6.4 days).
Average snowfall in January
Royal Oak, MI
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Royal Oak, MI
- Average snowfall days in January: 14.3 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 January /
Average sunshine in January
Royal Oak, MI
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Royal Oak, MI
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Royal Oak, MI
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Royal Oak, MI
- 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 July (Cloud cover 29).
Average visibility in January
Royal Oak, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Royal Oak, Michigan, USA
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