January weather forecast
Martell, CA

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Weather in January

January, like December, in Martell, California, is another fresh winter month, with an average temperature varying between 54.9°F (12.7°C) and 38.8°F (3.8°C).

Temperature

The commencement of January records an average high-temperature of a still cool 54.9°F (12.7°C), barely varying from December's 52.9°F (11.6°C). An average nighttime temperature of 38.8°F (3.8°C) is observed during January.

Humidity

The average relative humidity in January in Martell is 69%.

Rainfall

In Martell, in January, during 9.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 81.8 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

In Martell, snow does not fall in January, April through October.

Daylight

The average length of the day in January is 9h and 52min.
On the first day of January, sunrise is at 7:20 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm PST.

Sunshine

In Martell, the average sunshine in January is 6.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 3 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

The high-temperature, in January, in Martell, records 54.9°F (12.7°C), while the low-temperature is 38.8°F (3.8°C).

What is the average humidity in January?

The average relative humidity in January is 69%.

How many days does it rain in January in Martell?

In Martell, in January, during 9.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow?

January, April through October are months without snowfall.

Does it snow in January?

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

How many hours of daylight does Martell have in January?

In Martell, the average day length in January is 9h and 52min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm PST.

How long on average sun shines in January?

In Martell, the average sunshine duration in January is 6.2h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In Martell, California, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Martell, CA

Average temperature in January - Martell, CA
  • Average high temperature in January: 54.9°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in January: 38.8°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).

Average pressure in January
Martell, CA

Average pressure in January - Martell, CA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Martell, CA

Average wind speed in January - Martell, 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 August (3.8mph).

Average humidity in January
Martell, CA

Average humidity in January - Martell, CA
  • Average humidity in January: 69%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

Average rainfall in January
Martell, CA

Average rainfall in January - Martell, CA
  • Average rainfall in January: 3.23"

The wettest month (with the highest rainfall) is March (4.69").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in January
Martell, CA

Average rainfall days in January - Martell, CA
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (1.5 days).

Average snowfall in January
Martell, CA

Average snowfall in January - Martell, CA
  • Average snowfall in January: 0"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are January, April, May, June, July, August, September and October (0").

Average snowfall days in January
Martell, CA

Average snowfall days in January - Martell, CA
  • Average snowfall days in January: 0.1 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Martell, 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 1min

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 0min).

Average sunshine days in January
Martell, CA

Average sunshine days in January - Martell, CA
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (15.1 days).

Average UV index in January
Martell, CA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in January
Martell, CA

Average cloud cover in January - Martell, CA
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in January
Martell, CA

Average visibility in January - Martell, 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).

Martell, California, USA

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