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

December weather forecast and climate
Saint Johns, AZ

The first month of the winter, December, is also a frosty month in Saint Johns, Arizona, with average temperature fluctuating between 48.9°F (9.4°C) and 19°F (-7.2°C).

Temperature

In Saint Johns, Arizona, the average high-temperature in December drops, from a moderate 58.5°F (14.7°C) in November, to a chilly 48.9°F (9.4°C). In December, in Saint Johns, the average low-temperature is 19°F (-7.2°C).

Rainfall

In Saint Johns, in December, it is raining for 3.3 days, with typically 0.7" (17.8mm) of accumulated precipitation. Throughout the year, there are 51.1 rainfall days, and 11.5" (291.4mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Saint Johns, during 1.1 snowfall days, 3.4" (86.4mm) of snow is typically accumulated. In Saint Johns, during the entire year, snow falls for 5.1 days, and aggregates up to 15" (380.9mm) of snow.

Daylight

The month with the shortest days in Saint Johns is December, with an average of 9.9h of daylight.

What is the temperature in December in Saint Johns?

The average high-temperature, in December, is 48.9°F (9.4°C), while the average low-temperature is 19°F (-7.2°C).

How much does it rain in Saint Johns in December?

In December, the rain falls for 3.3 days. Throughout December, 0.7" (17.8mm) of precipitation is accumulated.

How many days does it snow in December in Saint Johns?

In Saint Johns, Arizona, in December, during 1.1 snowfall days, 3.4" (86.4mm) of snow is typically accumulated.

What is the month with the shortest days in Saint Johns?

The month with the shortest days in Saint Johns, Arizona, is December, with an average of 9.9h of daylight.

What is the average length of the day in December in Saint Johns?

The average length of the day in December in Saint Johns, Arizona, is 9.9h.
Average temperature in December - Saint Johns, AZ
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (89.5°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 19.1°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is December (19.1°F).

Average rainfall in December - Saint Johns, AZ
  • Average rainfall in December: 0.7"

The wettest month (with the highest rainfall) is August (2.3").
Driest months (with the lowest rainfall) are April, May and June (0.5").

Average rainfall days in December - Saint Johns, AZ
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is August (8.8 days).
The month with the lowest number of rainy days is April (2.5 days).

Average snowfall in December - Saint Johns, AZ
  • Average snowfall in December: 3.4"

The month with the highest snowfall is January (4.1").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in December - Saint Johns, AZ
  • Average snowfall days in December: 1.1 days

Months with the highest number of snowfall days are January and December (1.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in December - Saint Johns, AZ
  • Average daylight in December: 9.9h

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