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
The arrival of January sees an average high-temperature of a still freezing cold 17.4°F (-8.1°C), hardly diverging from December's 18.9°F (-7.3°C). In the month of January, Portal witnesses a consistent average low-temperature of 3.7°F (-15.7°C).Humidity
With an average relative humidity of 91%, January is the most humid month in Portal, North Dakota.Rainfall
The months with the least rainfall in Portal, North Dakota, are January and February Rain falls for 2 days and accumulates 0.39" (10mm) of rain.Snowfall
Months with snowfall in Portal are January through May, October through December. In January, in Portal, it is snowing for 13.5 days. Throughout January, 2.24" (57mm) of snow is accumulated. In Portal, during the entire year, snow falls for 73.2 days and aggregates up to 17.83" (453mm) of snow.Daylight
In Portal, the average length of the day in January is 8h and 47min.On the first day of January in Portal, North Dakota, sunrise is at 8:44 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 5:45 pm CST.
Sunshine
In January, the average sunshine is 3.5h.UV index
The months with the lowest UV index in Portal are January, February and 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 ordinary individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Portal?
What is the most humid month in Portal?
What is the average humidity in January in Portal?
What is the driest month in Portal?
How many days does it rain in January in Portal?
How many days does it snow in January in Portal?
How many hours of daylight does Portal have in January?
When is the sunrise / sunset in January in Portal?
How many hours of sunshine does Portal have in January?
What is the month with the lowest UV index in Portal?
What is the UV index reading in January in Portal?
Average temperature in January
Portal, ND
- Average high temperature in January: 17.4°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is February (17.2°F).
- Average low temperature in January: 3.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).
Average pressure in January
Portal, ND
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Portal, ND
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in January
Portal, ND
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in January
Portal, ND
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in January
Portal, ND
- Average rainfall days in January: 2 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in January
Portal, ND
- Average snowfall in January: 2.24"
The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portal, ND
- Average snowfall days in January: 13.5 days
The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Portal, ND
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in January
Portal, ND
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in January
Portal, ND
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Portal, ND
- Average cloud cover in January: 64
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in January
Portal, 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).
Portal, North Dakota, USA
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