January weather forecastRomulus, MI
January
Weather in January
January, the same as December, in Romulus, Michigan, is another subzero cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 29.1°F (-1.6°C).Temperature
In Romulus, Michigan, the month of January registers the lowest temperatures, averaging 29.1°F (-1.6°C) at the peak and 18.9°F (-7.3°C) at the lowest.Humidity
The months with the highest humidity in Romulus are January and February, with an average relative humidity of 84%.Rainfall
In Romulus, in January, it is raining for 6.1 days, with typically 1.22" (31mm) of accumulated precipitation. In Romulus, during the entire year, the rain falls for 153.7 days and collects up to 23.82" (605mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 11.1 days. Throughout January, 3.39" (86mm) of snow is accumulated. Throughout the year, in Romulus, there are 40.4 snowfall days, and 12.24" (311mm) of snow is accumulated.Daylight
In Romulus, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 8:02 am and sunset at 5:11 pm. On the last day of January, in Romulus, sunrise is at 7:47 am and sunset at 5:46 pm EST.
Sunshine
January has the least sunshine of the year in Romulus, with an average of 3.1h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Romulus, MI
- Average high temperature in January: 29.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Romulus, MI
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Romulus, MI
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Romulus, MI
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and October (75%).
Average rainfall in January
Romulus, MI
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in January
Romulus, MI
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in January
Romulus, MI
- Average snowfall in January: 3.39"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Romulus, MI
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Romulus, MI
- Average daylight in January: 9h and 30min
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 12min).
- Average sunshine in January: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Romulus, MI
- Average sunshine days in January: 15.7 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in January
Romulus, MI
- 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
Romulus, MI
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Romulus, MI
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





