Arizona, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Gilbert, AZ

December is usually the coldest month of the year in Gilbert with mild to warm days and cold nights. The average low temperatures are in the 39.9°F (4.4°C) to 66.9°F (19.4°C) range but the nights rarely drop below the freezing mark of 32°F (0°C).
The rain is in the form of a few light showers that hardly register more than an inch. The days are sunny and remain mostly below 70°F (21.1°C), as humidity is low. The time around Christmas has warm weather and brings a festive spirit to the populace. Overall, Gilbert is bright, clear, and pleasant in December.

What are the coldest months in Gilbert?

The coldest months in Gilbert, Arizona, are January and December, with an average high-temperature of 66.9°F (19.4°C).

What is the temperature in December in Gilbert?

In Gilbert, Arizona, in December, the average high-temperature is 66.9°F (19.4°C), and the average low-temperature is 39.9°F (4.4°C).

How much does it rain in Gilbert in December?

During December, Gilbert regularly aggregates up to 1" (24.9mm) of precipitation.

What is the month with the shortest days in Gilbert?

The month with the shortest days is December, with an average of 10h of daylight.

How many hours of daylight does Gilbert have in December?

In Gilbert, Arizona, the average length of the day in December is 10h.
Average temperature in December - Gilbert, AZ
  • Average high temperature in December: 67°F

The warmest month (with the highest average high temperature) is July (107°F).
Months with the lowest average high temperature are January and December (67°F).

  • Average low temperature in December: 40°F

The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is December (40°F).

Average rainfall in December - Gilbert, AZ
  • Average rainfall in December: 1"

The wettest month (with the highest rainfall) is March (1.2").
The driest month (with the lowest rainfall) is June (0").

Average daylight in December - Gilbert, AZ
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).