January weather forecast
Riverview Farms, CA

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Weather in January

January, the same as December, is another refreshing winter month in Riverview Farms, California, with an average temperature fluctuating between 46.6°F (8.1°C) and 65.5°F (18.6°C).

Temperature

January's arrival brings an average high-temperature of a still enjoyable 65.5°F (18.6°C), demonstrating subtle variation from the preceding month. January in Riverview Farms sees the temperature falling to a mean low of 46.6°F (8.1°C).

Humidity

In January, the average relative humidity is 55%.

Rainfall

In January, in Riverview Farms, the rain falls for 4.7 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. In Riverview Farms, during the entire year, the rain falls for 49.6 days and collects up to 5.16" (131mm) of precipitation.

Daylight

The average length of the day in January in Riverview Farms is 10h and 17min.
On the first day of January in Riverview Farms, sunrise is at 6:50 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:18 pm PST.

Sunshine

The average sunshine in January in Riverview Farms is 6.9h.

UV index

In Riverview Farms, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 during January translates into the following directions:
Take precautions - Protection against sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the usual temperature for Riverview Farms in January?

In January, in Riverview Farms, the average high-temperature is 65.5°F (18.6°C), and the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in January in Riverview Farms?

In Riverview Farms, the average relative humidity in January is 55%.

How much does it rain in Riverview Farms in January?

In Riverview Farms, California, in January, it is raining for 4.7 days, with typically 0.55" (14mm) of accumulated precipitation.

How many hours of daylight does Riverview Farms have in January?

The average day length in January in Riverview Farms is 10h and 17min.

What time are sunrise and sunset in January in Riverview Farms?

On the first day of January, sunrise is at 6:50 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:18 pm PST.

How many hours of sunshine does Riverview Farms have in January?

The average sunshine duration in January in Riverview Farms, California, is 6.9h.

What is the UV index reading in January in Riverview Farms?

In Riverview Farms, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Riverview Farms, CA

Average temperature in January - Riverview Farms, CA
  • Average high temperature in January: 65.5°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in January: 46.6°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure in January
Riverview Farms, CA

Average pressure in January - Riverview Farms, 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
Riverview Farms, CA

Average wind speed in January - Riverview Farms, CA
  • Average wind speed in January: 4.8mph

The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).

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Average humidity in January
Riverview Farms, CA

Average humidity in January - Riverview Farms, 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
Riverview Farms, CA

Average rainfall in January - Riverview Farms, CA
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
Riverview Farms, CA

Average rainfall days in January - Riverview Farms, CA
  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is March (6.8 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
Riverview Farms, CA

Average daylight in January / Average sunshine in January - Riverview Farms, CA
  • Average daylight in January: 10h and 2min

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 5min

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

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Average sunshine days in January
Riverview Farms, CA

Average sunshine days in January - Riverview Farms, CA
  • Average sunshine days in January: 25.1 days

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).

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Average UV index in January
Riverview Farms, CA

Average UV index in January - Riverview Farms, CA
  • Average UV index in January: 4

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

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Average cloud cover in January
Riverview Farms, CA

Average cloud cover in January - Riverview Farms, CA
  • Average cloud cover in January: 20

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in January
Riverview Farms, CA

Average visibility in January - Riverview Farms, 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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Riverview Farms, California, USA

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