January weather forecast and climate
Marysville, CA

Weather in January

January in Marysville, California, is a mild winter month, with average temperature fluctuating between 56.5°F (13.6°C) and 41.2°F (5.1°C).

Temperature

In Marysville, the average high-temperature in January is essentially the same as in December - a mild 56.5°F (13.6°C). The average low-temperature, in January, is 41.2°F (5.1°C).

Humidity

In Marysville, the average relative humidity is 71%.

Rainfall

In January, in Marysville, the rain falls for 8.2 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. In Marysville, during the entire year, the rain falls for 69.8 days and collects up to 10.79" (274mm) of precipitation.

Snowfall

The only month with snowfall in Marysville is January. January is the month with the most snowfall, with 0.2" (5.1mm) of accumulated snow.

Daylight

In Marysville, the average length of the day is 9.8h.

Sunshine

The average sunshine in January is 5.9h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in January in Marysville?

In Marysville, California, in January, the average high-temperature is 56.5°F (13.6°C), and the average low-temperature is 41.2°F (5.1°C).

What is the average humidity in January in Marysville?

In Marysville, the average relative humidity in January is 71%.

How much does it rain in Marysville in January?

In Marysville, in January, it is raining for 8.2 days, with typically 1.26" (32mm) of accumulated precipitation.

When does it start snowing in Marysville?

January is the first month it typically snows in Marysville, California. Throughout January, Marysville receives 0.2" (5.1mm) of snow.

When does it snow the most in Marysville?

The month with the most snowfall in Marysville is January when 0.2" (5.1mm) of snow is typically aggregated.

How many hours of daylight does Marysville have in January?

The average length of the day in January is 9.8h.

How many hours of sunshine does Marysville have in January?

The average sunshine in January in Marysville, California, is 5.9h.

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

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

How high is the UV index in January in Marysville?

In Marysville, California, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in January
Marysville, CA

Average temperature in January - Marysville, CA
  • Average high temperature in January: 56.5°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in January: 41.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in January
Marysville, CA

Average pressure in January - Marysville, CA
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in January
Marysville, CA

Average wind speed in January - Marysville, CA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

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Average humidity in January
Marysville, CA

Average humidity in January - Marysville, CA
  • Average humidity in January: 71%

The month with the highest relative humidity is March (74%).
Months with the lowest relative humidity are July and September (38%).

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Average rainfall in January
Marysville, CA

Average rainfall in January - Marysville, CA
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in January
Marysville, CA

Average rainfall days in January - Marysville, CA
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).

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Average snowfall in January
Marysville, CA

Average snowfall in January - Marysville, CA
  • Average snowfall in January: 0.2"

The month with the highest snowfall is January (0.2").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Marysville, CA

Average snowfall days in January - Marysville, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is December (0.1 days).
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
Marysville, CA

Average daylight in January / Average sunshine in January - Marysville, CA
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5.9h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in January
Marysville, CA

Average sunshine days in January - Marysville, CA
  • Average sunshine days in January: 22.3 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in January
Marysville, CA

Average UV index in January - Marysville, CA
  • Average UV index in January: 3

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

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Average cloud cover in January
Marysville, CA

Average cloud cover in January - Marysville, CA
  • Average cloud cover in January: 35

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in January
Marysville, CA

Average visibility in January - Marysville, CA
  • Average visibility in January: 6mi

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

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