January weather forecast
Rainbow, CA

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Weather in January

January, like December, in Rainbow, California, is another comfortable winter month, with an average temperature fluctuating between 45.7°F (7.6°C) and 64.6°F (18.1°C).

Temperature

As Rainbow, California, welcomes January, the average high-temperature records at a still refreshing 64.6°F (18.1°C), marking an insignificant deviation from the prior month. During January, Rainbow witnesses a consistent average low-temperature of 45.7°F (7.6°C).

Humidity

The average relative humidity in January in Rainbow is 55%.

Rainfall

In Rainbow, in January, it is raining for 5.9 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Rainbow, there are 61.4 rainfall days, and 9.45" (240mm) of precipitation is accumulated.

Daylight

In January, the average length of the day is 10h and 14min.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:51 pm. On the last day of January, in Rainbow, sunrise is at 6:45 am and sunset at 5:18 pm PST.

Sunshine

In January, the average sunshine is 6.8h.

UV index

In Rainbow, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 during January translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in January in Rainbow?

The high-temperature during January is 64.6°F (18.1°C) and the low-temperature is 45.7°F (7.6°C).

What is the average humidity in January in Rainbow?

In January, the average relative humidity is 55%.

How many days does it rain in January in Rainbow?

In Rainbow, California, in January, it is raining for 5.9 days, with typically 1.26" (32mm) of accumulated precipitation.

How many hours of daylight does Rainbow have in January?

The average day length in January in Rainbow is 10h and 14min.

What time are sunrise and sunset in January in Rainbow?

In January, on the first day of the month, sunrise is at 6:52 am and sunset at 4:51 pm. On the last day of the month, in Rainbow, sunrise is at 6:45 am and sunset at 5:18 pm PST.

How many hours of sunshine does Rainbow have in January?

In January, the average sunshine duration is 6.8h.

What is the UV index intensity in January in Rainbow?

In Rainbow, 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 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
Rainbow, CA

Average temperature in January - Rainbow, CA
  • Average high temperature in January: 64.6°F

The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.2°F).

  • Average low temperature in January: 45.7°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.4°F).

Average pressure in January
Rainbow, CA

Average pressure in January - Rainbow, 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).

Average wind speed in January
Rainbow, CA

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

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.3mph).

Average humidity in January
Rainbow, CA

Average humidity in January - Rainbow, CA
  • Average humidity in January: 55%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).

Average rainfall in January
Rainbow, CA

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

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January
Rainbow, CA

Average rainfall days in January - Rainbow, CA
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is June (1.4 days).

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

Average daylight in January / Average sunshine in January - Rainbow, 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 5min

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 36min).

Average sunshine days in January
Rainbow, CA

Average sunshine days in January - Rainbow, CA
  • Average sunshine days in January: 23.9 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (20 days).

Average UV index in January
Rainbow, CA

Average UV index in January - Rainbow, 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).

Average cloud cover in January
Rainbow, CA

Average cloud cover in January - Rainbow, CA
  • Average cloud cover in January: 22

The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in January
Rainbow, CA

Average visibility in January - Rainbow, 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).

Rainbow, California, USA

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