January weather forecast and climate
Tarzana, CA

January, like December, in Tarzana, California, is another enjoyable winter month, with average temperature fluctuating between 47.7°F (8.7°C) and 63.5°F (17.5°C).

Temperature

In January, the average high-temperature is relatively the same as in December - a still enjoyable 63.5°F (17.5°C). In Tarzana, in January, the average low-temperature is 47.7°F (8.7°C).

Humidity

In Tarzana, the average relative humidity is 52%.

Rainfall

In Tarzana, in January, it is raining for 4.5 days, with typically 1.14" (29mm) of accumulated precipitation. In Tarzana, during the entire year, the rain falls for 42.7 days and collects up to 6.46" (164mm) of precipitation.

Snowfall

January through November are months without snowfall in Tarzana.

Daylight

The average length of the day in Tarzana is 10.2h.

Sunshine

Months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.

UV index

In Tarzana, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in January in Tarzana?

The average high-temperature, in January, in Tarzana, is 63.5°F (17.5°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in January in Tarzana?

In January, the average relative humidity in Tarzana, California, is 52%.

How many days does it rain in January in Tarzana?

In January, in Tarzana, the rain falls for 4.5 days. Throughout January, 1.14" (29mm) of precipitation is accumulated.

Does it snow in Tarzana in January?

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

When it does not snow in Tarzana?

In Tarzana snow does not fall in January through November.

What is the average length of the day in January in Tarzana?

In January, the average length of the day in Tarzana, California, is 10.2h.

What is the month with the least sunshine in Tarzana?

Months with the least sunshine in Tarzana are January, February and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Tarzana have in January?

In Tarzana, the average sunshine in January is 6.8h.

What is the UV index reading in January in Tarzana?

The average daily maximum UV index in January in Tarzana, California, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Tarzana, CA
  • Average high temperature in January: 63.5°F

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in January: 47.7°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

Average pressure in January - Tarzana, CA
  • Average pressure in January: 30.11"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.89").

Average wind speed in January - Tarzana, CA
  • Average wind speed in January: 6.1mph

The windiest months (with the highest average wind speed) are January and December (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

Average humidity in January - Tarzana, CA
  • Average humidity in January: 52%

The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).

Average rainfall in January - Tarzana, CA
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is February (1.22").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January - Tarzana, CA
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.4 days).

Average snowfall days in January - Tarzana, 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).

Average daylight in January / Average sunshine in January - Tarzana, CA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 6.8h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

Average sunshine days in January - Tarzana, CA
  • Average sunshine days in January: 25.3 days

Months with the most sunshine days are August and October (27.3 days).
The month with the least sunshine days is February (22 days).

Average UV index in January - Tarzana, CA
  • Average UV index in January: 4

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).

Average cloud cover in January - Tarzana, CA
  • Average cloud cover in January: 21

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in January - Tarzana, 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).