January weather forecastPlatteville, CO
January
Weather in January
January, the same as December, is another cold winter month in Platteville, Colorado, with an average temperature fluctuating between 41.5°F (5.3°C) and 22.5°F (-5.3°C).Temperature
Platteville, Colorado, in January witnesses an average high-temperature of a still wintry 41.5°F (5.3°C), indicating a slight variation from December's 39.9°F (4.4°C). An average low-temperature of 22.5°F (-5.3°C) is noted during the month of January.Humidity
January and February, with an average relative humidity of 64%, are the most humid months.Rainfall
The months with the least rainfall are January and December Rain falls for 3 days and accumulates 0.12" (3mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Platteville, during January, snow falls for 4.3 days and regularly aggregates up to 0.94" (24mm) of snow. In Platteville, Colorado, during the entire year, snow falls for 29.6 days and aggregates up to 10.2" (259mm) of snow.Daylight
In January, the average length of the day is 9h and 42min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:16 pm MST.
Sunshine
The average sunshine in January is 6.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Platteville, CO
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in January
Platteville, CO
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Platteville, CO
- Average wind speed in January: 5.9mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in January
Platteville, CO
- Average humidity in January: 64%
The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (42%).
Average rainfall in January
Platteville, CO
- Average rainfall in January: 0.12"
The wettest month (with the highest rainfall) is May (0.67").
The driest months (with the least rainfall) are January and December (0.12").
Average rainfall days in January
Platteville, CO
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and November (3 days).
Average snowfall in January
Platteville, CO
- Average snowfall in January: 0.94"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Platteville, CO
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Platteville, CO
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in January
Platteville, CO
- Average sunshine days in January: 25.5 days
The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in January
Platteville, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Platteville, CO
- Average cloud cover in January: 23
The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in January
Platteville, CO
- 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).
