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
In Maryland Heights, the month of January is known for its lowest average temperatures, reaching a high of 37.2°F (2.9°C) and a low of 24.3°F (-4.3°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 1.61" (41mm) of precipitation is accumulated. In Maryland Heights, during the entire year, the rain falls for 141.9 days and collects up to 27.68" (703mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Maryland Heights. In January, it is snowing for 6.8 days. Throughout January, 1.46" (37mm) of snow is accumulated. In Maryland Heights, Missouri, during the entire year, snow falls for 21.6 days and aggregates up to 6.73" (171mm) of snow.Daylight
In Maryland Heights, the average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine in Maryland Heights is January, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. 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 UV index of 2 in January translates into these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Maryland Heights?
How cold is January in Maryland Heights?
What is the average humidity in January in Maryland Heights?
How much does it rain in Maryland Heights in January?
How many days does it snow in January in Maryland Heights?
What is the average length of the day in January in Maryland Heights?
When is the sunrise / sunset in January in Maryland Heights?
What is the month with the least sunshine in Maryland Heights?
How many hours of sunshine does Maryland Heights have in January?
What are the months with the lowest UV index in Maryland Heights?
What is the UV index reading in January in Maryland Heights?
Average temperature in January
Maryland Heights, MO
- Average high temperature in January: 37.2°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Maryland Heights, MO
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Maryland Heights, MO
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Maryland Heights, MO
- Average humidity in January: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Maryland Heights, MO
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in January
Maryland Heights, MO
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).
Average snowfall in January
Maryland Heights, MO
- Average snowfall in January: 1.46"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Maryland Heights, MO
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Maryland Heights, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Maryland Heights, MO
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Maryland Heights, MO
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Maryland Heights, MO
- Average cloud cover in January: 50
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Maryland Heights, MO
- 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).
Maryland Heights, Missouri, USA
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