Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is the month when Holyoke experiences its coldest temperatures, averaging a high of 39.2°F (4°C) and a low of 23.2°F (-4.9°C).Humidity
In December, the average relative humidity in Holyoke is 65%.Rainfall
In Holyoke, in December, during 4.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, in Holyoke, there are 119.5 rainfall days, and 16.14" (410mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Holyoke, in December, snow falls for 6.8 days, with typically accumulated 2.13" (54mm) of snow. Throughout the year, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.Daylight
The month with the shortest days in Holyoke is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:22 pm. On the last day of December, in Holyoke, sunrise is at 7:12 am and sunset at 4:32 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.2h of sunshine.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 exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What month is the coldest in Holyoke?
Is December cold in Holyoke?
What is the average humidity in December in Holyoke?
How many days does it rain in December in Holyoke?
How much does it snow in Holyoke in December?
What is the month with the shortest days in Holyoke?
How many hours of daylight does Holyoke have in December?
What time are sunrise and sunset in December in Holyoke?
What is the month with the least sunshine in Holyoke?
How long on average sun shines in December in Holyoke?
When is the lowest UV index in Holyoke?
How high is the UV index in December in Holyoke?
Average temperature in December
Holyoke, CO
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Holyoke, CO
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Holyoke, CO
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Holyoke, CO
- Average humidity in December: 65%
The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).
Average rainfall in December
Holyoke, CO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Holyoke, CO
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).
Average snowfall in December
Holyoke, CO
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holyoke, CO
- Average snowfall days in December: 6.8 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holyoke, CO
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Holyoke, CO
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Holyoke, CO
- Average UV index in December: 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 December
Holyoke, CO
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Holyoke, CO
- Average visibility in December: 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).
Holyoke, Colorado, USA
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