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 is the coldest month, with the temperature often reaching an average high of 42.6°F (5.9°C) and an average low of 27°F (-2.8°C).Humidity
January, July, August and October, with an average relative humidity of 73%, are the least humid months.Rainfall
In Galena, in January, it is raining for 7.4 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 151.8 rainfall days, and 35.71" (907mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall is January, when snow falls for 5.2 days and typically aggregates up to 2.52" (64mm) of snow.Daylight
The average length of the day in January is 9h and 59min.On the first day of the month, sunrise is at 7:26 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:37 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 5.3h of sunshine.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Galena. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during January translates into the following guidance:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the least humid month?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Galena have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Galena, MO
- Average high temperature in January: 42.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Galena, 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 (29.93"Hg).
Average wind speed in January
Galena, MO
- Average wind speed in January: 9.3mph
The windiest months (with the highest average wind speed) are February, March and April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in January
Galena, MO
- Average humidity in January: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in January
Galena, MO
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is May (5.16").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in January
Galena, MO
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Galena, MO
- Average snowfall in January: 2.52"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Galena, MO
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Galena, MO
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Galena, 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 July (11.5 days).
Average UV index in January
Galena, MO
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in January
Galena, MO
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Galena, 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).
Galena, Missouri, USA
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