December weather forecast
Croydon, UT

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Weather in December

December, the first month of the winter in Croydon, is also a subzero cold month, with an average temperature ranging between max 31.8°F (-0.1°C) and min 18.5°F (-7.5°C).

Temperature

Croydon's coldest month, December, registers temperatures that range from a high of 31.8°F (-0.1°C) to a low of 18.5°F (-7.5°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Croydon, in December, it is raining for 9.1 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 116.8 rainfall days, and 18.31" (465mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Croydon are January through June, September through December. In Croydon, during December, snow falls for 13.8 days and regularly aggregates up to 14.76" (375mm) of snow. Throughout the year, there are 69.4 snowfall days, and 70.67" (1795mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Croydon, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:32 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:07 pm MST.

Sunshine

In Croydon, the average sunshine in December is 5.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Croydon?

Croydon records the coldest temperatures in December, averaging a high of 31.8°F (-0.1°C) and a low of 18.5°F (-7.5°C).

How cold is it in December?

The high-temperature during December is 31.8°F (-0.1°C) and the low-temperature is 18.5°F (-7.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 80.6°F (27°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Croydon, in December, during 9.1 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

How much does it snow in December?

In Croydon, in December, snow falls for 13.8 days, with typically accumulated 14.76" (375mm) of snow.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Croydon, the average day length in December is 9h and 17min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:07 pm MST.

How many hours of sunshine does Croydon have in December?

In Croydon, Utah, the average sunshine duration in December is 5.9h.

When is the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

In Croydon, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Croydon, UT

Average temperature in December - Croydon, UT
  • Average high temperature in December: 31.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (31.8°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average pressure in December
Croydon, UT

Average pressure in December - Croydon, UT
  • Average pressure in December: 30.23"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Croydon, UT

Average wind speed in December - Croydon, UT
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

Average humidity in December
Croydon, UT

Average humidity in December - Croydon, UT
  • Average humidity in December: 81%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in December
Croydon, UT

Average rainfall in December - Croydon, UT
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is February (2.32").
The driest month (with the least rainfall) is August (0.55").

Average rainfall days in December
Croydon, UT

Average rainfall days in December - Croydon, UT
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (7 days).

Average snowfall in December
Croydon, UT

Average snowfall in December - Croydon, UT
  • Average snowfall in December: 14.76"

The month with the highest snowfall is January (16.22").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Croydon, UT

Average snowfall days in December - Croydon, UT
  • Average snowfall days in December: 13.8 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Croydon, UT

Average daylight in December / Average sunshine in December - Croydon, UT
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in December
Croydon, UT

Average sunshine days in December - Croydon, UT
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
Croydon, UT

Average UV index in December - Croydon, UT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Croydon, UT

Average cloud cover in December - Croydon, UT
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Croydon, UT

Average visibility in December - Croydon, UT
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Croydon, Utah, USA

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