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
McCook Lake records the coldest temperatures in January, averaging a high of 27°F (-2.8°C) and a low of 13.1°F (-10.5°C).Humidity
With an average relative humidity of 84%, January is the most humid month.Rainfall
In McCook Lake, during January, the rain falls for 3.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In McCook Lake, during the entire year, the rain falls for 122 days and collects up to 21.61" (549mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 9.6 days and typically aggregates up to 2.95" (75mm) of snow.Daylight
The average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:55 am and sunset at 5:03 pm. On the last day of January, sunrise is at 7:41 am and sunset at 5:37 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January in McCook Lake?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does McCook Lake have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine in McCook Lake?
How long on average sun shines in January in McCook Lake?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
McCook Lake, SD
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 13.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in January
McCook Lake, SD
- 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
McCook Lake, SD
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in January
McCook Lake, SD
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall in January
McCook Lake, SD
- Average rainfall in January: 0.75"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in January
McCook Lake, SD
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
McCook Lake, SD
- Average snowfall in January: 2.95"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
McCook Lake, SD
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
McCook Lake, SD
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
McCook Lake, SD
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in January
McCook Lake, SD
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
McCook Lake, SD
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
McCook Lake, 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).
McCook Lake, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location