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 records an average high-temperature of a still wintry 36.1°F (2.3°C), indicating a minor variation from the preceding month. New Plymouth cools down to an average low-temperature of 23.5°F (-4.7°C) throughout the month of January.Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
In New Plymouth, in January, during 10.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 95.4 rainfall days, and 10.2" (259mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In January, it is snowing for 5.9 days. Throughout January, 3.27" (83mm) of snow is accumulated. Throughout the year, there are 22.5 snowfall days, and 12.01" (305mm) of snow is accumulated.Daylight
In New Plymouth, the average length of the day in January is 9h and 21min.On the first day of the month, sunrise is at 8:21 am and sunset at 5:19 pm. On the last day of January, sunrise is at 8:05 am and sunset at 5:55 pm MST.
Sunshine
In January, the average sunshine is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does New Plymouth have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does New Plymouth have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
New Plymouth, ID
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in January: 23.5°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure in January
New Plymouth, ID
- Average pressure in January: 30.24"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in January
New Plymouth, ID
- Average wind speed in January: 3.9mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in January
New Plymouth, ID
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (30%).
Average rainfall in January
New Plymouth, ID
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is March (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
New Plymouth, ID
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in January
New Plymouth, ID
- Average snowfall in January: 3.27"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
New Plymouth, ID
- Average snowfall days in January: 5.9 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
New Plymouth, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
New Plymouth, ID
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in January
New Plymouth, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
New Plymouth, ID
- Average cloud cover in January: 42
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in January
New Plymouth, ID
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
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