January weather forecastHalfway, MO
January
Weather in January
January, like December, in Halfway, Missouri, is another cold winter month, with an average temperature varying between 25.5°F (-3.6°C) and 40.3°F (4.6°C).Temperature
The month of January, characterized by an average high of 40.3°F (4.6°C) and a low of 25.5°F (-3.6°C), is recognized as the coldest.Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.2 days and typically collects 1.61" (41mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, in Halfway, it is snowing for 5.3 days. Throughout January, 2.4" (61mm) of snow is accumulated. In Halfway, during the entire year, snow falls for 19.8 days and aggregates up to 9.25" (235mm) of snow.Daylight
The average length of the day in January is 9h and 55min.On the first day of January, sunrise is at 7:27 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:35 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Halfway, MO
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in January
Halfway, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in January
Halfway, MO
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in January
Halfway, MO
- Average humidity in January: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August, October and November (73%).
Average rainfall in January
Halfway, MO
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in January
Halfway, MO
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is December (6.9 days).
Average snowfall in January
Halfway, MO
- Average snowfall in January: 2.4"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Halfway, MO
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Halfway, MO
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Halfway, MO
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Halfway, 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, November and December (UV index 2).
Average cloud cover in January
Halfway, MO
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Halfway, 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).





