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, noted for its average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.6°F (-4.1°C), is considered the coldest month.Humidity
In January, the average relative humidity in Ellisville, Missouri, is 75%.Rainfall
In Ellisville, in January, during 6.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Ellisville, Missouri, there are 134.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In January, in Ellisville, it is snowing for 6.4 days. Throughout January, 1.14" (29mm) of snow is accumulated. Throughout the year, in Ellisville, there are 19.5 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:22 pm CST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year in Ellisville.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Ellisville?
How cold is January in Ellisville?
What is the average humidity in January in Ellisville?
How many days does it rain in January in Ellisville?
How much does it snow in Ellisville in January?
What is the average length of the day in January in Ellisville?
What time are sunrise and sunset in January in Ellisville?
What is the month with the least sunshine in Ellisville?
How many hours of sunshine does Ellisville have in January?
What are the months with the lowest UV index in Ellisville?
How high is the UV index in January in Ellisville?
Average temperature in January
Ellisville, MO
- Average high temperature in January: 38.5°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in January: 24.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in January
Ellisville, 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
Ellisville, MO
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Ellisville, MO
- Average humidity in January: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Ellisville, MO
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in January
Ellisville, MO
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.1 days).
Average snowfall in January
Ellisville, MO
- Average snowfall in January: 1.14"
The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Ellisville, MO
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ellisville, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Ellisville, MO
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in January
Ellisville, MO
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Ellisville, MO
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in January
Ellisville, 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).
Ellisville, Missouri, USA
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