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
The lowest temperatures are recorded in January, with averages reaching a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).Humidity
In January, the average relative humidity is 81%.Rainfall
In Armstrong, in January, it is raining for 7.3 days, with typically 1.42" (36mm) of accumulated precipitation. In Armstrong, during the entire year, the rain falls for 146.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Armstrong. In January, in Armstrong, it is snowing for 9.8 days. Throughout January, 2.05" (52mm) of snow is accumulated. In Armstrong, during the entire year, snow falls for 34.2 days and aggregates up to 7.8" (198mm) of snow.Daylight
In January, the average length of the day in Armstrong is 9h and 41min.On the first day of January, sunrise is at 7:14 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:08 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
In January, the average daily maximum UV index in Armstrong is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during January leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the coldest months in Armstrong?
How cold is it in Armstrong in January?
What is the average humidity in January in Armstrong?
How many days does it rain in January in Armstrong?
How many days does it snow in January in Armstrong?
How many hours of daylight does Armstrong have in January?
When is the sunrise / sunset in January in Armstrong?
What is the month with the least sunshine in Armstrong?
How long on average sun shines in January in Armstrong?
What is the UV index reading in January in Armstrong?
Average temperature in January
Armstrong, IL
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Armstrong, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Armstrong, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Armstrong, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Armstrong, IL
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in January
Armstrong, IL
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in January
Armstrong, IL
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Armstrong, IL
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 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
Armstrong, IL
- 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 24min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Armstrong, IL
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in January
Armstrong, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Armstrong, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in January
Armstrong, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Armstrong, Illinois, USA
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