January weather forecast
Thousand Oaks, CA

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The scenic city of Thousand Oaks and views of the Ventura 101 freeway, California
The scenic city of Thousand Oaks and views of the Ventura 101 freeway, California

Weather in January

January in Thousand Oaks, California, is an enjoyable winter month, with an average temperature fluctuating between 62.1°F (16.7°C) and 50°F (10°C).

Temperature

January's arrival registers an average high-temperature of a still refreshing 62.1°F (16.7°C), closely aligning with the temperature of the previous month. Thousand Oaks's temperature in January lowers to a consistent average of 50°F (10°C) during the nights.

Humidity

The average relative humidity in January in Thousand Oaks is 58%.

Rainfall

The months with the most rainfall in Thousand Oaks are January and February, with an average 1.93" (49mm) of precipitation.

Daylight

In January, the average length of the day in Thousand Oaks is 10h and 11min.
On the first day of January, sunrise is at 7:01 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:24 pm PST.

Sunshine

The months with the least sunshine in Thousand Oaks are January, February and December, with an average of 6.8h of sunshine.

UV index

The months with the lowest UV index in Thousand Oaks are January through April, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the temperature in January in Thousand Oaks?

In Thousand Oaks, in January, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 50°F (10°C).

What is the average humidity in January in Thousand Oaks?

In January, the average relative humidity is 58%.

What is the rainiest month in Thousand Oaks?

The months with the most rainfall are January and February, with an average 1.93" (49mm) of precipitation.

How much does it rain in Thousand Oaks in January?

In Thousand Oaks, during January, the rain falls for 5.4 days and regularly aggregates up to 1.93" (49mm) of precipitation.

How many hours of daylight does Thousand Oaks have in January?

In Thousand Oaks, California, the average day length in January is 10h and 11min.

What time are sunrise and sunset in January in Thousand Oaks?

On the first day of January in Thousand Oaks, California, sunrise is at 7:01 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:24 pm PST.

What are the months with the least sunshine in Thousand Oaks?

The months with the least sunshine in Thousand Oaks, California, are January, February and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Thousand Oaks have in January?

The average sunshine duration in January in Thousand Oaks, California, is 6.8h.

What is the month with the lowest UV index in Thousand Oaks?

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4.

What is the UV index reading in January in Thousand Oaks?

The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Thousand Oaks, CA

Average temperature in January - Thousand Oaks, CA
  • Average high temperature in January: 62.1°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (60.4°F).

  • Average low temperature in January: 50°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).

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Average pressure in January
Thousand Oaks, CA

Average pressure in January - Thousand Oaks, CA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

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Average wind speed in January
Thousand Oaks, CA

Average wind speed in January - Thousand Oaks, CA
  • Average wind speed in January: 6.3mph

The windiest months (with the highest average wind speed) are April and December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in January
Thousand Oaks, CA

Average humidity in January - Thousand Oaks, CA
  • Average humidity in January: 58%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).

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Average rainfall in January
Thousand Oaks, CA

Average rainfall in January - Thousand Oaks, CA
  • Average rainfall in January: 1.93"

The wettest months (with the highest rainfall) are January and February (1.93").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in January
Thousand Oaks, CA

Average rainfall days in January - Thousand Oaks, CA
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.5 days).

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Average daylight in January /
Average sunshine in January
Thousand Oaks, CA

Average daylight in January / Average sunshine in January - Thousand Oaks, CA
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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Average sunshine days in January
Thousand Oaks, CA

Average sunshine days in January - Thousand Oaks, CA
  • Average sunshine days in January: 24.2 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is February (21 days).

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Average UV index in January
Thousand Oaks, CA

Average UV index in January - Thousand Oaks, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in January
Thousand Oaks, CA

Average cloud cover in January - Thousand Oaks, CA
  • Average cloud cover in January: 21

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in January
Thousand Oaks, CA

Average visibility in January - Thousand Oaks, 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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Thousand Oaks, California, USA

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