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, with average temperatures reaching a high of 32°F (0°C) and a low of 18°F (-7.8°C), is the coldest month.Humidity
January is the most humid month, with an average relative humidity of 78%.Rainfall
In Roca, Nebraska, during January, the rain falls for 2.4 days and regularly aggregates up to 0.24" (6mm) of precipitation. In Roca, during the entire year, the rain falls for 84.8 days and collects up to 7.44" (189mm) of precipitation.Snowfall
Months with snowfall in Roca, Nebraska, are January through May, October through December. The month with the most snowfall is January, when snow falls for 5.1 days and typically aggregates up to 0.83" (21mm) of snow.Daylight
In Roca, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:50 am and sunset at 5:09 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:42 pm CST.
Sunshine
With an average of 5.1h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Roca are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the coldest time of year in Roca?
How cold is it in Roca in January?
What is the most humid month in Roca?
What is the average humidity in January in Roca?
How many days does it rain in January in Roca?
When does it snow the most in Roca?
How much does it snow in Roca in January?
How many hours of daylight does Roca have in January?
When are sunrise and sunset in January in Roca?
What is the month with the least sunshine in Roca?
How many hours of sunshine does Roca have in January?
What are the months with the lowest UV index in Roca?
How high is the UV index in January in Roca?
Average temperature in January
Roca, NE
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Roca, NE
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Roca, NE
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in January
Roca, NE
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (65%).
Average rainfall in January
Roca, NE
- Average rainfall in January: 0.24"
The wettest month (with the highest rainfall) is June (1.3").
The driest month (with the least rainfall) is February (0.16").
Average rainfall days in January
Roca, NE
- Average rainfall days in January: 2.4 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in January
Roca, NE
- Average snowfall in January: 0.83"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Roca, NE
- Average snowfall days in January: 5.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Roca, NE
- 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 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Roca, NE
- Average sunshine days in January: 25.5 days
The months with the most sunshine days are January and November (25.5 days).
The month with the least sunshine days is June (15 days).
Average UV index in January
Roca, NE
- Average UV index in January: 2
The months with the highest UV index are 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
Roca, NE
- Average cloud cover in January: 44
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in January
Roca, NE
- 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).
Roca, Nebraska, USA
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