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 stands out as Mercer's coldest month, with temperatures ranging between an average high of 30.6°F (-0.8°C) and a low of 16.9°F (-8.4°C).Humidity
In January, the average relative humidity is 80%.Rainfall
The months with the least rainfall are January and December Rain falls for 4.8 days and accumulates 0.67" (17mm) of rain.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 2.72" (69mm) of snow.Daylight
In January, the average length of the day is 9h and 40min.On the first day of the month, sunrise is at 7:37 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:30 pm CST.
Sunshine
With an average of 4.4h of sunshine, January has the least sunshine of the year.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, the UV index of 1 transforms into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Mercer?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index in Mercer?
What is the UV index intensity in January?
Average temperature in January
Mercer, MO
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in January
Mercer, 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 (29.89"Hg).
Average wind speed in January
Mercer, MO
- Average wind speed in January: 10.4mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Mercer, MO
- Average humidity in January: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Mercer, MO
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days in January
Mercer, MO
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in January
Mercer, MO
- Average snowfall in January: 2.72"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mercer, MO
- Average snowfall days in January: 8.6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mercer, MO
- 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 18min).
- Average sunshine in January: 4h and 2min
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 24min).
Average sunshine days in January
Mercer, MO
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in January
Mercer, MO
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Mercer, MO
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Mercer, 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).
Mercer, Missouri, USA
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