December weather forecast
Baldwin Park, CA

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Weather in December

December, the first month of the winter in Baldwin Park, is also an enjoyable month, with an average temperature fluctuating between 63.1°F (17.3°C) and 47.3°F (8.5°C).

Temperature

Baldwin Park's coldest temperatures are experienced in December, with average high temperatures of 63.1°F (17.3°C) and lows of 47.3°F (8.5°C).

Humidity

The average relative humidity in December is 51%.

Rainfall

In Baldwin Park, in December, during 5.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 49.6 rainfall days, and 8.11" (206mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:53 pm PST.

Sunshine

January, February and December, with an average of 6.9h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The lowest temperatures are recorded in December, with averages reaching a high of 63.1°F (17.3°C) and a low of 47.3°F (8.5°C).

What is the temperature in December?

An average high-temperature, in December, in Baldwin Park, is 63.1°F (17.3°C) and the average low-temperature is 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 86°F (30°C).

What is the average humidity in December?

In Baldwin Park, the average relative humidity in December is 51%.

How much does it rain in December?

In December, the rain falls for 5.9 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

When does it snow the most?

December has the most snowfall days of the year. Snow falls for 0.1 days.

When does it start to snow?

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

What is the month with the shortest days in Baldwin Park?

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

How many hours of daylight does Baldwin Park have in December?

The average day length in December is 9h and 56min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:53 pm PST.

What is the month with the least sunshine?

January, February and December, with an average of 6.9h of sunshine, are months with the least sunshine.

How many hours of sunshine does Baldwin Park have in December?

In December, the average sunshine duration in Baldwin Park is 6.9h.

What is the month with the lowest UV index in Baldwin Park?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.

How high is the UV index in December?

In December, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Baldwin Park, CA

Average temperature in December - Baldwin Park, CA
  • Average high temperature in December: 63.1°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in December: 47.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).

Average pressure in December
Baldwin Park, CA

Average pressure in December - Baldwin Park, CA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Baldwin Park, CA

Average wind speed in December - Baldwin Park, CA
  • Average wind speed in December: 5.1mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

Average humidity in December
Baldwin Park, CA

Average humidity in December - Baldwin Park, CA
  • Average humidity in December: 51%

The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).

Average rainfall in December
Baldwin Park, CA

Average rainfall in December - Baldwin Park, CA
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Baldwin Park, CA

Average rainfall days in December - Baldwin Park, CA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.2 days).

Average snowfall days in December
Baldwin Park, CA

Average snowfall days in December - Baldwin Park, CA
  • 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
Baldwin Park, CA

Average daylight in December / Average sunshine in December - Baldwin Park, CA
  • 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 July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).

Average sunshine days in December
Baldwin Park, CA

Average sunshine days in December - Baldwin Park, CA
  • Average sunshine days in December: 24.1 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in December
Baldwin Park, CA

Average UV index in December - Baldwin Park, CA
  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in December
Baldwin Park, CA

Average cloud cover in December - Baldwin Park, CA
  • Average cloud cover in December: 22

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in December
Baldwin Park, CA

Average visibility in December - Baldwin Park, 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).

Baldwin Park, California, USA

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