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 shift to January signals an average high-temperature of a still wintry 41.5°F (5.3°C), subtly varied from December's 39.9°F (4.4°C). During the month of January, the nighttime temperature falls to an average of 22.5°F (-5.3°C).Humidity
The months with the highest humidity in Platteville, Colorado, are January and February, with an average relative humidity of 64%.Rainfall
The months with the least rainfall in Platteville are January and December Rain falls for 3 days and accumulates 0.12" (3mm) of rain.Snowfall
Months with snowfall in Platteville are January through May, October through December. In Platteville, Colorado, during January, snow falls for 4.3 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, there are 29.6 snowfall days, and 10.2" (259mm) of snow is accumulated.Daylight
The average length of the day in January 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, in Platteville, sunrise is at 7:09 am and sunset at 5:16 pm MST.
Sunshine
In Platteville, Colorado, the average sunshine in January is 6.9h.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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
Is January cold in Platteville?
What are the most humid months in Platteville?
What is the average humidity in January in Platteville?
What is the driest month in Platteville?
How many days does it rain in January in Platteville?
How many days does it snow in January in Platteville?
What is the average length of the day in January in Platteville?
What time are sunrise and sunset in January in Platteville?
How long on average sun shines in January in Platteville?
When is the lowest UV index in Platteville?
How high is the UV index in January in Platteville?
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 4min
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 5min
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).
Platteville, Colorado, USA
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