January weather forecast
Fair Oaks, CA

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Weather in January

January is a refreshing winter month in Fair Oaks, California, with an average temperature fluctuating between 41.2°F (5.1°C) and 56.1°F (13.4°C).

Temperature

January's weather displays an average high-temperature of a refreshing 56.1°F (13.4°C), slightly varied from December's 54.1°F (12.3°C). An average minimum temperature of 41.2°F (5.1°C) is recorded in Fair Oaks during the month of January.

Humidity

In Fair Oaks, California, the average relative humidity in January is 73%.

Rainfall

In Fair Oaks, in January, during 8.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Fair Oaks, during the entire year, the rain falls for 67.3 days and collects up to 10.79" (274mm) of precipitation.

Snowfall

In Fair Oaks, California, snow does not fall in January through November.

Daylight

In Fair Oaks, the average length of the day in January is 9h and 50min.
On the first day of January in Fair Oaks, California, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:25 pm PST.

Sunshine

In Fair Oaks, California, the average sunshine in January is 6h.

UV index

In Fair Oaks, California, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 4 in January translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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 are January temperatures in Fair Oaks?

January temperatures vary between a high-temperature of 56.1°F (13.4°C) and a low-temperature of 41.2°F (5.1°C).

What is the average humidity in January in Fair Oaks?

The average relative humidity in January in Fair Oaks is 73%.

How many days does it rain in January in Fair Oaks?

In Fair Oaks, California, in January, it is raining for 8.8 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Fair Oaks?

January through November are months without snowfall in Fair Oaks.

Does it snow in Fair Oaks in January?

In January, in Fair Oaks, it doesn't snow. December is the latest month when it typically snows.

What is the average length of the day in January in Fair Oaks?

In Fair Oaks, California, the average day length in January is 9h and 50min.

When is the sunrise / sunset in January in Fair Oaks?

On the first day of January in Fair Oaks, California, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:25 pm PST.

How long on average sun shines in January in Fair Oaks?

The average sunshine duration in January in Fair Oaks, California, is 6h.

How high is the UV index in January in Fair Oaks?

The average daily maximum UV index in January in Fair Oaks is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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 January
Fair Oaks, CA

Average temperature in January - Fair Oaks, CA
  • Average high temperature in January: 56.1°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in January: 41.2°F

The months with the highest average low temperature are July and August (60.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).

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Average pressure in January
Fair Oaks, CA

Average pressure in January - Fair Oaks, CA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Fair Oaks, CA

Average wind speed in January - Fair Oaks, CA
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in January
Fair Oaks, CA

Average humidity in January - Fair Oaks, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (43%).

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Average rainfall in January
Fair Oaks, CA

Average rainfall in January - Fair Oaks, CA
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in January
Fair Oaks, CA

Average rainfall days in January - Fair Oaks, CA
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is March (12 days).
The months with the least rainy days are June and July (1.3 days).

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Average snowfall days in January
Fair Oaks, CA

Average snowfall days in January - Fair Oaks, CA
  • Average snowfall days in January: 0 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 January /
Average sunshine in January
Fair Oaks, CA

Average daylight in January / Average sunshine in January - Fair Oaks, CA
  • Average daylight in January: 9h and 5min

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 January: 6h and 0min

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 48min).

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Average sunshine days in January
Fair Oaks, CA

Average sunshine days in January - Fair Oaks, CA
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (18.1 days).

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Average UV index in January
Fair Oaks, CA

Average UV index in January - Fair Oaks, CA
  • Average UV index in January: 4

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

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Average cloud cover in January
Fair Oaks, CA

Average cloud cover in January - Fair Oaks, CA
  • Average cloud cover in January: 34

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 January
Fair Oaks, CA

Average visibility in January - Fair Oaks, 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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Fair Oaks, California, USA

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