December weather forecast and climate
Lake Havasu City, AZ

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
The first month of the winter, December, is also a moderate month in Lake Havasu City, Arizona, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 60.1°F (15.6°C).

Temperature

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

Humidity

In Lake Havasu City, the average relative humidity in December is 39%.

Rainfall

In Lake Havasu City, in December, it is raining for 4.9 days, with typically 0.67" (17mm) of accumulated 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 in Lake Havasu City, Arizona, is December when snow falls for 0.1 days.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year.

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 medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Lake Havasu City?

With an average high-temperature of 60.1°F (15.6°C) and an average low-temperature of 46.6°F (8.1°C), December is the coldest month in Lake Havasu City, Arizona.

What is the temperature in December in Lake Havasu City?

In December, the average high-temperature is 60.1°F (15.6°C), and the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in December in Lake Havasu City?

In December, the average relative humidity in Lake Havasu City is 39%.

How many days does it rain in December in Lake Havasu City?

In Lake Havasu City, in December, it is raining for 4.9 days, with typically 0.67" (17mm) of accumulated precipitation.

When does it start snowing in Lake Havasu City?

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

When does it snow the most in Lake Havasu City?

December has the most snowfall days of the year in Lake Havasu City. Snow falls for 0.1 days.

What is the month with the shortest days in Lake Havasu City?

December has the shortest days of the year in Lake Havasu City, with an average of 9.9h of daylight.

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

In December, the average length of the day in Lake Havasu City is 9.9h.

What is the month with the least sunshine in Lake Havasu City?

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

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

The average sunshine in December in Lake Havasu City, Arizona, is 6.8h.

What is the month with the lowest UV index in Lake Havasu City?

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

What is the UV index intensity in December in Lake Havasu City?

The average daily maximum UV index in December in Lake Havasu City is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
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: 30.06"

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

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: 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: 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: 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: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
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: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.8h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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: 3

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: 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: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).