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, noted for its average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 6.3°F (-14.3°C), is considered the coldest month.Humidity
With an average relative humidity of 89%, January is the most humid month in Rock Haven, North Dakota.Rainfall
January is the month with the least rainfall. Rain falls for 3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Rock Haven, it is snowing for 11.4 days. Throughout January, 2.56" (65mm) of snow is accumulated. In Rock Haven, North Dakota, during the entire year, snow falls for 58.6 days and aggregates up to 18.27" (464mm) of snow.Daylight
The average length of the day in January is 9h and 2min.On the first day of the month, sunrise is at 8:28 am and sunset at 5:05 pm. On the last day of January, sunrise is at 8:09 am and sunset at 5:44 pm CST.
Sunshine
The month with the least sunshine in Rock Haven is January, with an average of 3.9h of sunshine.UV index
The average daily maximum UV index in January in Rock Haven, North Dakota, is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Rock Haven?
How cold is January in Rock Haven?
What is the most humid month in Rock Haven?
What is the average humidity in January in Rock Haven?
What is the driest month in Rock Haven?
How many days does it rain in January in Rock Haven?
How much does it snow in Rock Haven in January?
How many hours of daylight does Rock Haven have in January?
When is the sunrise / sunset in January in Rock Haven?
What is the month with the least sunshine in Rock Haven?
How long on average sun shines in January in Rock Haven?
How high is the UV index in January in Rock Haven?
Average temperature in January
Rock Haven, ND
- Average high temperature in January: 20.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in January: 6.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in January
Rock Haven, ND
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Rock Haven, ND
- Average wind speed in January: 10.2mph
The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Rock Haven, ND
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in January
Rock Haven, ND
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Rock Haven, ND
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Rock Haven, ND
- Average snowfall in January: 2.56"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rock Haven, ND
- Average snowfall days in January: 11.4 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rock Haven, ND
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Rock Haven, ND
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in January
Rock Haven, ND
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in January
Rock Haven, ND
- Average cloud cover in January: 59
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Rock Haven, ND
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Rock Haven, North Dakota, USA
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