December weather forecastBerthoud, CO
December
Weather in December
The first month of the winter, December, is also a wintry month in Berthoud, Colorado, with an average temperature varying between 39.4°F (4.1°C) and 20.7°F (-6.3°C).Temperature
Berthoud, Colorado, notes the coldest temperatures in December, with a high average of 39.4°F (4.1°C) and a low of 20.7°F (-6.3°C).Humidity
In December, the average relative humidity is 63%.Rainfall
In December, the rain falls for 4 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 109.5 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Berthoud, Colorado, in December, during 6.5 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 39.7 snowfall days, and 26.14" (664mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Berthoud, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm MST.
Sunshine
In Berthoud, Colorado, the average sunshine in December 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berthoud, CO
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (39.4°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Berthoud, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Berthoud, CO
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are August and December (5.7mph).
Average humidity in December
Berthoud, CO
- Average humidity in December: 63%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Berthoud, CO
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Berthoud, CO
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Berthoud, CO
- Average snowfall in December: 2.8"
The month with the highest snowfall is April (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berthoud, CO
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Berthoud, CO
- Average daylight in December: 9h and 24min
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 December: 6h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Berthoud, CO
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Berthoud, CO
- Average UV index in December: 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 December
Berthoud, CO
- Average cloud cover in December: 24
The months with the most cloud cover are April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in December
Berthoud, 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).
