December weather forecast
Woodside, CA

Share

Weather in December

The first month of the winter, December, is still a mild month in Woodside, California, with an average temperature fluctuating between 47.1°F (8.4°C) and 55.8°F (13.2°C).

Temperature

December tends to be the coldest month, with temperatures averaging a daily high of 55.8°F (13.2°C) and a low of 47.1°F (8.4°C).

Humidity

In December, the average relative humidity in Woodside is 72%.

Rainfall

In Woodside, during December, the rain falls for 8.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, in Woodside, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Woodside.
On the first day of December, sunrise is at 7:05 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:01 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.9h of sunshine.

UV index

The months with the lowest UV index are 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 ordinary individuals.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
[Resources]

Frequently asked questions

What is the coldest month in Woodside?

December stands out as Woodside's coldest month, with temperatures ranging between an average high of 55.8°F (13.2°C) and a low of 47.1°F (8.4°C).

What is the usual temperature for Woodside in December?

An average high-temperature, in December, in Woodside, is 55.8°F (13.2°C) and the average low-temperature is 47.1°F (8.4°C).

What is the average humidity in December in Woodside?

In December, the average relative humidity in Woodside, California, is 72%.

How many days does it rain in December in Woodside?

In December, the rain falls for 8.9 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

What is the month with the shortest days in Woodside?

The month with the shortest days in Woodside is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Woodside?

The average day length in December is 9h and 38min.

What time are sunrise and sunset in December in Woodside?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:51 pm. On the last day of the month, in Woodside, sunrise is at 7:23 am and sunset at 5:01 pm PST.

What is the month with the least sunshine in Woodside?

The month with the least sunshine is December, with an average of 5.9h of sunshine.

How long on average sun shines in December in Woodside?

The average sunshine duration in December in Woodside, California, is 5.9h.

What is the month with the lowest UV index in Woodside?

The months with the lowest UV index in Woodside, California, are February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Woodside?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Woodside, CA

Average temperature in December - Woodside, CA
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in December: 47.1°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).

[Resources]

Average pressure in December
Woodside, CA

Average pressure in December - Woodside, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

[Resources]

Average wind speed in December
Woodside, CA

Average wind speed in December - Woodside, CA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity in December
Woodside, CA

Average humidity in December - Woodside, CA
  • Average humidity in December: 72%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).

[Resources]

Average rainfall in December
Woodside, CA

Average rainfall in December - Woodside, CA
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days in December
Woodside, CA

Average rainfall days in December - Woodside, CA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).

[Resources]

Average daylight in December /
Average sunshine in December
Woodside, CA

Average daylight in December / Average sunshine in December - Woodside, 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: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

[Resources]

Average sunshine days in December
Woodside, CA

Average sunshine days in December - Woodside, CA
  • Average sunshine days in December: 20.4 days

The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).

[Resources]

Average UV index in December
Woodside, CA

Average UV index in December - Woodside, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

[Resources]

Average cloud cover in December
Woodside, CA

Average cloud cover in December - Woodside, CA
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

[Resources]

Average visibility in December
Woodside, CA

Average visibility in December - Woodside, 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]

Woodside, California, USA

Weather forecast for your location

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