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
Haswell reaches its lowest average temperatures in December, measuring 43.7°F (6.5°C) at the peak and 26.6°F (-3°C) at the lowest.Humidity
The average relative humidity in December in Haswell is 57%.Rainfall
January, November and December are months with the least rain in Haswell when the rain falls for 3.6 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Haswell, during December, snow falls for 4.8 days and regularly aggregates up to 1.46" (37mm) of snow. In Haswell, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.Daylight
The month with the shortest days in Haswell is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 6:51 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:42 pm MST.
Sunshine
In Haswell, the average sunshine in December is 6.8h.UV index
The months with the lowest UV index in Haswell are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Haswell?
How cold is it in Haswell in December?
What is the average humidity in December in Haswell?
What is the driest month in Haswell?
How much does it rain in Haswell in December?
How many days does it snow in December in Haswell?
What is the month with the shortest days in Haswell?
How many hours of daylight does Haswell have in December?
When is the sunrise / sunset in December in Haswell?
How many hours of sunshine does Haswell have in December?
When is the lowest UV index in Haswell?
How high is the UV index in December in Haswell?
Average temperature in December
Haswell, CO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in December
Haswell, CO
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Haswell, CO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).
Average humidity in December
Haswell, CO
- Average humidity in December: 57%
The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).
Average rainfall in December
Haswell, CO
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").
Average rainfall days in December
Haswell, CO
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Haswell, CO
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Haswell, CO
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Haswell, CO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Haswell, CO
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Haswell, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Haswell, CO
- Average cloud cover in December: 23
The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in December
Haswell, 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).
Haswell, Colorado, USA
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