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
Temperature records mark January as the coldest month, with highs averaging 38.8°F (3.8°C) and lows at 24.3°F (-4.3°C).Humidity
In Altona, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall in Altona. Rain falls for 3.5 days and accumulates 0.35" (9mm) of precipitation.Snowfall
Months with snowfall in Altona are January through March, May, October through December. In Altona, during January, snow falls for 2.8 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, in Altona, Missouri, there are 11.5 snowfall days, and 2.2" (56mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 51min.On the first day of January, sunrise is at 7:34 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:37 pm CST.
Sunshine
With an average of 5.3h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets 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. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What time of the year is the coldest in Altona?
Is January cold in Altona?
What is the average humidity in January in Altona?
What is the driest month in Altona?
How much does it rain in Altona in January?
How much does it snow in Altona in January?
How many hours of daylight does Altona have in January?
When is the sunrise / sunset in January in Altona?
What is the month with the least sunshine in Altona?
How long on average sun shines in January in Altona?
When is the lowest UV index in Altona?
How high is the UV index in January in Altona?
Average temperature in January
Altona, MO
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°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
Altona, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Altona, MO
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Altona, MO
- Average humidity in January: 73%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Altona, MO
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in January
Altona, MO
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in January
Altona, MO
- Average snowfall in January: 0.59"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in January
Altona, MO
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Altona, 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Altona, MO
- Average sunshine days in January: 25.2 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in January
Altona, 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
Altona, MO
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Altona, 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).
Altona, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location
