January weather forecast
South Park, CA

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Weather in January

January, the same as December, is another refreshing winter month in South Park, California, with an average temperature fluctuating between 64.2°F (17.9°C) and 44.4°F (6.9°C).

Temperature

At the onset of January, South Park records an average high-temperature of a still enjoyable 64.2°F (17.9°C), showing little deviation from the preceding month. January sees the temperature falling to a mean low of 44.4°F (6.9°C).

Humidity

In January, the average relative humidity in South Park is 55%.

Rainfall

In South Park, in January, during 5.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in South Park, California, there are 60.6 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Daylight

The average length of the day in January is 10h and 14min.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of January, sunrise is at 6:44 am and sunset at 5:18 pm PST.

Sunshine

In January, the average sunshine in South Park is 6.7h.

UV index

The average daily maximum UV index in January in South Park is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 4 in January leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average January temperature in South Park?

The average high-temperature and low-temperature in South Park during January are 64.2°F (17.9°C) and 44.4°F (6.9°C) respectively.

What is the average humidity in January in South Park?

In January, the average relative humidity in South Park is 55%.

How many days does it rain in January in South Park?

In South Park, California, in January, during 5.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

What is the average length of the day in January in South Park?

In January, the average day length in South Park, California, is 10h and 14min.

When is the sunrise / sunset in January in South Park?

In January, on the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of the month, in South Park, sunrise is at 6:44 am and sunset at 5:18 pm PST.

How long on average sun shines in January in South Park?

In South Park, California, the average sunshine duration in January is 6.7h.

What is the UV index reading in January in South Park?

The average daily maximum UV index in January in South Park, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Park, CA

Average temperature in January - South Park, CA
  • Average high temperature in January: 64.2°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in January: 44.4°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in January
South Park, CA

Average pressure in January - South Park, CA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in January
South Park, CA

Average wind speed in January - South Park, CA
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in January
South Park, CA

Average humidity in January - South Park, CA
  • Average humidity in January: 55%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in January
South Park, CA

Average rainfall in January - South Park, CA
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
South Park, CA

Average rainfall days in January - South Park, CA
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in January /
Average sunshine in January
South Park, CA

Average daylight in January / Average sunshine in January - South Park, CA
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 6h 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: 6h and 30min).

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Average sunshine days in January
South Park, CA

Average sunshine days in January - South Park, CA
  • Average sunshine days in January: 24.3 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in January
South Park, CA

Average UV index in January - South Park, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in January
South Park, CA

Average cloud cover in January - South Park, CA
  • Average cloud cover in January: 23

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in January
South Park, CA

Average visibility in January - South Park, CA
  • Average visibility in January: 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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South Park, California, USA

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