December weather forecast
Lake Havasu City, AZ

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Panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge
Panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge

Weather in December

With the onset of December, Lake Havasu City, Arizona welcomes winter. Temperatures drop significantly, and rainfall is usually moderate. The city experiences temperatures from a low of 46.6°F (8.1°C) to a high of 60.1°F (15.6°C). The daylight hours go down to a yearly minimum, making the nights noticeably longer. The wind speed maintains a steady pace, rounding out the year-end weather conditions.

Temperature

December stands out as Lake Havasu City's coldest month, with temperatures ranging between an average high of 60.1°F (15.6°C) and a low of 46.6°F (8.1°C).

Humidity

The average relative humidity in December is 39%.

Rainfall

In Lake Havasu City, during December, the rain falls for 4.9 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Lake Havasu City, during the entire year, the rain falls for 52.1 days and collects up to 6.26" (159mm) of precipitation.

Snowfall

December is the only month when snow falls. The month with the most snowfall days is December, when snow falls for 0.1 days.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:37 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 6.8h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

What month is the coldest in Lake Havasu City?

December, having an average high-temperature of 60.1°F (15.6°C) and an average low-temperature of 46.6°F (8.1°C), is the coldest month.

What is the temperature in December?

December temperatures vary between a high-temperature of 60.1°F (15.6°C) and a low-temperature of 46.6°F (8.1°C).

What is the average humidity in December?

The average relative humidity in December is 39%.

How much does it rain in December?

In Lake Havasu City, Arizona, in December, during 4.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall days is December, when snow falls for 0.1 days.

When does it start snowing?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 53min.

What time are sunrise and sunset in December in Lake Havasu City?

On the first day of December in Lake Havasu City, sunrise is at 7:26 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:37 pm MST.

What is the month with the least sunshine?

With an average of 6.8h of sunshine, December has the least sunshine of the year in Lake Havasu City.

How many hours of sunshine does Lake Havasu City have in December?

The average sunshine duration in December is 6.8h.

When is the lowest UV index?

With an average maximum UV index of 3, December is the month with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Lake Havasu City, AZ

Average temperature in December - Lake Havasu City, AZ
  • Average high temperature in December: 60.1°F

The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in December: 46.6°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is December (46.6°F).

Average pressure in December
Lake Havasu City, AZ

Average pressure in December - Lake Havasu City, AZ
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).

Average wind speed in December
Lake Havasu City, AZ

Average wind speed in December - Lake Havasu City, AZ
  • Average wind speed in December: 6.6mph

The windiest months (with the highest average wind speed) are April and May (8.6mph).
The calmest month (with the lowest average wind speed) is November (6.5mph).

Average humidity in December
Lake Havasu City, AZ

Average humidity in December - Lake Havasu City, AZ
  • Average humidity in December: 39%

The month with the highest relative humidity is January (40%).
The month with the lowest relative humidity is June (15%).

Average rainfall in December
Lake Havasu City, AZ

Average rainfall in December - Lake Havasu City, AZ
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Lake Havasu City, AZ

Average rainfall days in December - Lake Havasu City, AZ
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is June (0.8 days).

Average snowfall days in December
Lake Havasu City, AZ

Average snowfall days in December - Lake Havasu City, AZ
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Lake Havasu City, AZ

Average daylight in December / Average sunshine in December - Lake Havasu City, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December
Lake Havasu City, AZ

Average sunshine days in December - Lake Havasu City, AZ
  • Average sunshine days in December: 25.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is August (18.7 days).

Average UV index in December
Lake Havasu City, AZ

Average UV index in December - Lake Havasu City, AZ
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Lake Havasu City, AZ

Average cloud cover in December - Lake Havasu City, AZ
  • Average cloud cover in December: 21

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Lake Havasu City, AZ

Average visibility in December - Lake Havasu City, AZ
  • 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).

Lake Havasu City, Arizona, USA

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