December weather forecast
Guinda, CA

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Weather in December

The first month of the winter, December, is still a cool month in Guinda, California, with an average temperature fluctuating between 41.5°F (5.3°C) and 54.3°F (12.4°C).

Temperature

The lowest temperatures are recorded in December, with averages reaching a high of 54.3°F (12.4°C) and a low of 41.5°F (5.3°C).

Humidity

The average relative humidity in December in Guinda is 70%.

Rainfall

In December, in Guinda, the rain falls for 10.5 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. In Guinda, during the entire year, the rain falls for 70.7 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

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

Daylight

December has the shortest days of the year in Guinda, California, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:57 pm PST.

Sunshine

December has the least sunshine of the year in Guinda, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index in Guinda are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 3 during December translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What time of the year is the coldest in Guinda?

During the coldest month in Guinda, December, temperatures average a high of 54.3°F (12.4°C) and a low of 41.5°F (5.3°C).

What is the usual temperature for Guinda in December?

The average high-temperature, in December, in Guinda, is 54.3°F (12.4°C), while the average low-temperature is 41.5°F (5.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in September is appraised at 89.6°F (32°C).

What is the average humidity in December in Guinda?

In December, the average relative humidity in Guinda is 70%.

How much does it rain in Guinda in December?

In Guinda, in December, during 10.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the snowiest month in Guinda?

December has the most snowfall days of the year in Guinda, California. Snow falls for 0.1 days.

When does it start snowing in Guinda?

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

What is the month with the shortest days in Guinda?

The month with the shortest days in Guinda is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Guinda have in December?

The average day length in December in Guinda, California, is 9h and 30min.

When is the sunrise / sunset in December in Guinda?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, in Guinda, sunrise is at 7:27 am and sunset at 4:57 pm PST.

What is the month with the least sunshine in Guinda?

December has the least sunshine of the year in Guinda, with an average of 5.7h of sunshine.

How many hours of sunshine does Guinda have in December?

In December, the average sunshine duration in Guinda, California, is 5.7h.

When is the lowest UV index in Guinda?

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

What is the UV index intensity in December in Guinda?

In December, the average daily maximum UV index in Guinda is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Guinda, CA

Average temperature in December - Guinda, CA
  • Average high temperature in December: 54.3°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (54.3°F).

  • Average low temperature in December: 41.5°F

The months with the highest average low temperature are July and August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (41.5°F).

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Average pressure in December
Guinda, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Guinda, CA

Average wind speed in December - Guinda, CA
  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is September (5mph).

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Average humidity in December
Guinda, CA

Average humidity in December - Guinda, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (43%).

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Average rainfall in December
Guinda, CA

Average rainfall in December - Guinda, CA
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is February (2.52").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Guinda, CA

Average rainfall days in December - Guinda, CA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (0.8 days).

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Average snowfall days in December
Guinda, CA

Average snowfall days in December - Guinda, 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).

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

Average daylight in December / Average sunshine in December - Guinda, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in December
Guinda, CA

Average sunshine days in December - Guinda, CA
  • Average sunshine days in December: 19.4 days

The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in December
Guinda, CA

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

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

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Average cloud cover in December
Guinda, CA

Average cloud cover in December - Guinda, CA
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Guinda, CA

Average visibility in December - Guinda, 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).

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Guinda, California, USA

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