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, marked by an average high-temperature of 36.3°F (2.4°C) and a low-temperature of 23.4°F (-4.8°C), is the coldest month.Humidity
January, February and December, with an average relative humidity of 82%, are the most humid months in Altoona.Rainfall
In Altoona, in January, during 9.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 161.8 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 3.39" (86mm) of snow.Daylight
In Altoona, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:18 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:49 pm EST.
Sunshine
The month with the least sunshine in Altoona is January, with an average of 3.6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Altoona, Ohio. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Altoona?
How cold is January in Altoona?
What are the most humid months in Altoona?
What is the average humidity in January in Altoona?
How much does it rain in Altoona in January?
What is the snowiest month in Altoona?
How much does it snow in Altoona in January?
How many hours of daylight does Altoona have in January?
What time are sunrise and sunset in January in Altoona?
What is the month with the least sunshine in Altoona?
How many hours of sunshine does Altoona have in January?
When is the lowest UV index in Altoona?
How high is the UV index in January in Altoona?
Average temperature in January
Altoona, OH
- Average high temperature in January: 36.3°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Altoona, OH
- Average pressure in January: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Altoona, OH
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Altoona, OH
- Average humidity in January: 82%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in January
Altoona, OH
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in January
Altoona, OH
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Altoona, OH
- Average snowfall in January: 3.39"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Altoona, OH
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Altoona, OH
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Altoona, OH
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in January
Altoona, OH
- 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
Altoona, OH
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Altoona, OH
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Altoona, Ohio, USA
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