January weather forecast
Perez, CA

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Weather in January

January, like December, in Perez, California, is another cold winter month, with an average temperature ranging between max 38.7°F (3.7°C) and min 24.8°F (-4°C).

Temperature

A minor adjustment in Perez's average high-temperature is noted with the start of January, touching a still wintry 38.7°F (3.7°C) from December's 36.5°F (2.5°C). Perez experiences a mean temperature of 24.8°F (-4°C) during January nights.

Humidity

January and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Perez, in January, during 7.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Perez, during the entire year, the rain falls for 85.8 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Perez, in January, during 9.4 snowfall days, 6.69" (170mm) of snow is typically accumulated. In Perez, during the entire year, snow falls for 56.2 days and aggregates up to 35.94" (913mm) of snow.

Daylight

The average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:18 pm PST.

Sunshine

In Perez, the average sunshine in January is 5.5h.

UV index

The months with the lowest UV index in Perez are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

Is January cold in Perez?

January temperatures in Perez vary between a high-temperature of 38.7°F (3.7°C) and a low-temperature of 24.8°F (-4°C).

What are the most humid months in Perez?

January and December, with an average relative humidity of 79%, are most humid months in Perez.

What is the average humidity in January in Perez?

The average relative humidity in January is 79%.

How much does it rain in Perez in January?

In Perez, California, in January, during 7.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

How many days does it snow in January in Perez?

In Perez, in January, snow falls for 9.4 days, with typically accumulated 6.69" (170mm) of snow.

How many hours of daylight does Perez have in January?

In January, the average day length in Perez, California, is 9h and 34min.

When is the sunrise / sunset in January in Perez?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:45 pm. On the last day of the month, in Perez, California, sunrise is at 7:18 am and sunset at 5:18 pm PST.

How many hours of sunshine does Perez have in January?

The average sunshine duration in January is 5.5h.

What are the months with the lowest UV index in Perez?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Perez.

How high is the UV index in January in Perez?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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 January
Perez, CA

Average temperature in January - Perez, CA
  • Average high temperature in January: 38.7°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in January: 24.8°F

The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure in January
Perez, CA

Average pressure in January - Perez, CA
  • Average pressure in January: 30.21"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Perez, CA

Average wind speed in January - Perez, CA
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Perez, CA

Average humidity in January - Perez, CA
  • Average humidity in January: 79%

The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in January
Perez, CA

Average rainfall in January - Perez, CA
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in January
Perez, CA

Average rainfall days in January - Perez, CA
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).

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Average snowfall in January
Perez, CA

Average snowfall in January - Perez, CA
  • Average snowfall in January: 6.69"

The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
Perez, CA

Average snowfall days in January - Perez, CA
  • Average snowfall days in January: 9.4 days

The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in January /
Average sunshine in January
Perez, CA

Average daylight in January / Average sunshine in January - Perez, CA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 3min

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 24min).

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Average sunshine days in January
Perez, CA

Average sunshine days in January - Perez, CA
  • Average sunshine days in January: 16.5 days

The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).

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Average UV index in January
Perez, CA

Average UV index in January - Perez, CA
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in January
Perez, CA

Average cloud cover in January - Perez, CA
  • Average cloud cover in January: 42

The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in January
Perez, CA

Average visibility in January - Perez, CA
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

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Perez, California, USA

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