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 month when Ruby experiences its coldest temperatures, averaging a high of -0.8°F (-18.2°C) and a low of -10.5°F (-23.6°C).Humidity
January through March, with an average relative humidity of 96%, are the most humid months.Rainfall
January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.59" (15mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Ruby, during January, snow falls for 14.2 days and regularly aggregates up to 4.49" (114mm) of snow. In Ruby, during the entire year, snow falls for 115.2 days and aggregates up to 43.07" (1094mm) of snow.Daylight
In January, the average length of the day is 5h and 23min.On the first day of the month, sunrise is at 11:23 am and sunset at 3:27 pm. On the last day of January, sunrise is at 10:09 am and sunset at 5:00 pm AKST.
Sunshine
The average sunshine in January is 2.8h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What are the most humid months?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Ruby have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Ruby have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Ruby, AK
- Average high temperature in January: -0.8°F
The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).
- Average low temperature in January: -10.5°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in January
Ruby, AK
- Average pressure in January: 29.91"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in January
Ruby, AK
- Average wind speed in January: 4.6mph
The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in January
Ruby, AK
- Average humidity in January: 96%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).
Average rainfall in January
Ruby, AK
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Ruby, AK
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in January
Ruby, AK
- Average snowfall in January: 4.49"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Ruby, AK
- Average snowfall days in January: 14.2 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in January /
Average sunshine in January
Ruby, AK
- Average daylight in January: 5h and 2min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in January
Ruby, AK
- Average sunshine days in January: 18 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in January
Ruby, AK
- Average UV index in January: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in January
Ruby, AK
- Average cloud cover in January: 58
The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in January
Ruby, AK
- Average visibility in January: 2mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).
Ruby, Alaska, USA
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