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
A subtle decrease in the average high-temperature marks December, falling from November's fresh 50.2°F (10.1°C) to a wintry 37.6°F (3.1°C). Fillmore throughout December, experiences an average nighttime temperature of 22.5°F (-5.3°C).Humidity
In Fillmore, the average relative humidity in December is 72%.Rainfall
In December, the rain falls for 5.5 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. In Fillmore, during the entire year, the rain falls for 64.3 days and collects up to 4.37" (111mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Fillmore. In Fillmore, during December, snow falls for 6.4 days and regularly aggregates up to 2.4" (61mm) of snow. Throughout the year, there are 26.6 snowfall days, and 10.83" (275mm) of snow is accumulated.Daylight
The month with the shortest days in Fillmore is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:17 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.3h 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December in Fillmore?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Fillmore, UT
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Fillmore, UT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Fillmore, UT
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
Fillmore, UT
- Average humidity in December: 72%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (25%).
Average rainfall in December
Fillmore, UT
- Average rainfall in December: 0.43"
The wettest months (with the highest rainfall) are March and April (0.55").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Fillmore, UT
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is June (3.1 days).
Average snowfall in December
Fillmore, UT
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fillmore, UT
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is December (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fillmore, UT
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in December
Fillmore, UT
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is October (25.2 days).
The month with the least sunshine days is April (19.6 days).
Average UV index in December
Fillmore, UT
- 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
Fillmore, UT
- Average cloud cover in December: 33
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Fillmore, UT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Fillmore, Utah, USA
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