December weather forecast
La Grange, CA

Share

Weather in December

The first month of the winter, December, is also a moderate month in La Grange, California, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 55.6°F (13.1°C).

Temperature

With its high average temperature of 55.6°F (13.1°C) and a low of 40.6°F (4.8°C), December is regarded as the coldest month.

Humidity

The average relative humidity in December is 69%.

Rainfall

The wettest months in La Grange are March and December, with an average 0.98" (25mm) of rainfall.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:53 pm PST.

Sunshine

December has the least sunshine of the year in La Grange, California, with an average of 6.1h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
[Resources]

Frequently asked questions

What month is the coldest in La Grange?

December brings the lowest temperatures in La Grange, with an average high of 55.6°F (13.1°C) and an average low of 40.6°F (4.8°C).

What is the usual temperature for La Grange in December?

The average high-temperature and low-temperature in La Grange during December are 55.6°F (13.1°C) and 40.6°F (4.8°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in June is calculated to be 91.4°F (33°C).

What is the average humidity in December in La Grange?

In La Grange, California, the average relative humidity in December is 69%.

What is the rainiest month in La Grange?

The months with the most rainfall are March and December, with an average 0.98" (25mm) of precipitation.

How many days does it rain in December in La Grange?

In La Grange, in December, it is raining for 6.8 days, with typically 0.98" (25mm) of accumulated precipitation.

What is the month with the shortest days in La Grange?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does La Grange have in December?

In December, the average day length in La Grange is 9h and 37min.

When are sunrise and sunset in December in La Grange?

On the first day of December, sunrise is at 6:58 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in La Grange?

December has the least sunshine of the year in La Grange, California, with an average of 6.1h of sunshine.

How many hours of sunshine does La Grange have in December?

In December, the average sunshine duration in La Grange is 6.1h.

When is the lowest UV index in La Grange?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in La Grange.

How high is the UV index in December in La Grange?

In December, the average daily maximum UV index in La Grange, California, is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
La Grange, CA

Average temperature in December - La Grange, CA
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in December: 40.6°F

The months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

[Resources]

Average pressure in December
La Grange, CA

Average pressure in December - La Grange, CA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in December
La Grange, CA

Average wind speed in December - La Grange, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

[Resources]

Average humidity in December
La Grange, CA

Average humidity in December - La Grange, CA
  • Average humidity in December: 69%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).

[Resources]

Average rainfall in December
La Grange, CA

Average rainfall in December - La Grange, CA
  • Average rainfall in December: 0.98"

The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").

[Resources]

Average rainfall days in December
La Grange, CA

Average rainfall days in December - La Grange, CA
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).

[Resources]

Average daylight in December /
Average sunshine in December
La Grange, CA

Average daylight in December / Average sunshine in December - La Grange, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 1min

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

[Resources]

Average sunshine days in December
La Grange, CA

Average sunshine days in December - La Grange, CA
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).

[Resources]

Average UV index in December
La Grange, CA

Average UV index in December - La Grange, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in December
La Grange, CA

Average cloud cover in December - La Grange, CA
  • Average cloud cover in December: 32

The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).

[Resources]

Average visibility in December
La Grange, CA

Average visibility in December - La Grange, CA
  • 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).

[Resources]

La Grange, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location