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 experiences an average high-temperature of a still icy 32.5°F (0.3°C), barely different from December's 32.4°F (0.2°C). Porcupine, in January, witnesses an average low-temperature of 18.1°F (-7.7°C).Humidity
The most humid month in Porcupine is January, with an average relative humidity of 80%.Rainfall
January is the month with the least rainfall in Porcupine. Rain falls for 3.5 days and accumulates 0.55" (14mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Porcupine, in January, snow falls for 10.2 days, with typically accumulated 2.87" (73mm) of snow. In Porcupine, during the entire year, snow falls for 47.4 days and aggregates up to 22.72" (577mm) of snow.Daylight
In Porcupine, South Dakota, the average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:05 am and sunset at 4:59 pm MST.
Sunshine
The average sunshine in January in Porcupine is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Porcupine. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in January translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Porcupine in January?
What is the most humid month in Porcupine?
What is the average humidity in January in Porcupine?
What is the driest month in Porcupine?
How many days does it rain in January in Porcupine?
How many days does it snow in January in Porcupine?
What is the average length of the day in January in Porcupine?
When is the sunrise / sunset in January in Porcupine?
How long on average sun shines in January in Porcupine?
What is the month with the lowest UV index in Porcupine?
What is the UV index intensity in January in Porcupine?
Average temperature in January
Porcupine, SD
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in January: 18.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in January
Porcupine, SD
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Porcupine, SD
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in January
Porcupine, SD
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in January
Porcupine, SD
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Porcupine, SD
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in January
Porcupine, SD
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Porcupine, SD
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Porcupine, SD
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Porcupine, SD
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in January
Porcupine, SD
- 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
Porcupine, SD
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Porcupine, SD
- 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).
Porcupine, South Dakota, USA
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