January weather forecast
Glenoak Hills, CA

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Weather in January

January, the same as December, is another enjoyable winter month in Glenoak Hills, California, with an average temperature fluctuating between 44.4°F (6.9°C) and 64.2°F (17.9°C).

Temperature

As January takes hold, the average high-temperature is a still refreshing 64.2°F (17.9°C), nearly mirroring that of the previous month. Glenoak Hills reports a consistent average low-temperature of 44.4°F (6.9°C) throughout January nights.

Humidity

In January, the average relative humidity in Glenoak Hills, California, is 55%.

Rainfall

In Glenoak Hills, in January, during 5.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Glenoak Hills, there are 60.6 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Daylight

The average length of the day in January in Glenoak Hills is 10h and 14min.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of January, sunrise is at 6:44 am and sunset at 5:17 pm PST.

Sunshine

In January, the average sunshine is 6.7h.

UV index

In January, the average daily maximum UV index in Glenoak Hills is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 4 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are January temperatures in Glenoak Hills?

During January, Glenoak Hills experiences an average high-temperature of 64.2°F (17.9°C) and a low-temperature of 44.4°F (6.9°C).

What is the average humidity in January in Glenoak Hills?

In Glenoak Hills, the average relative humidity in January is 55%.

How many days does it rain in January in Glenoak Hills?

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

How many hours of daylight does Glenoak Hills have in January?

In January, the average day length in Glenoak Hills, California, is 10h and 14min.

What time are sunrise and sunset in January in Glenoak Hills?

In January, on the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of the month, in Glenoak Hills, sunrise is at 6:44 am and sunset at 5:17 pm PST.

How many hours of sunshine does Glenoak Hills have in January?

The average sunshine duration in January in Glenoak Hills is 6.7h.

What is the UV index reading in January in Glenoak Hills?

The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Glenoak Hills, CA

Average temperature in January - Glenoak Hills, CA
  • Average high temperature in January: 64.2°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in January: 44.4°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in January
Glenoak Hills, CA

Average pressure in January - Glenoak Hills, 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
Glenoak Hills, CA

Average wind speed in January - Glenoak Hills, CA
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in January
Glenoak Hills, CA

Average humidity in January - Glenoak Hills, 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
Glenoak Hills, CA

Average rainfall in January - Glenoak Hills, CA
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
Glenoak Hills, CA

Average rainfall days in January - Glenoak Hills, CA
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is March (8.2 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
Glenoak Hills, CA

Average daylight in January / Average sunshine in January - Glenoak Hills, 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 4min

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 30min).

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Average sunshine days in January
Glenoak Hills, CA

Average sunshine days in January - Glenoak Hills, CA
  • Average sunshine days in January: 24.3 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in January
Glenoak Hills, CA

Average UV index in January - Glenoak Hills, 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).

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Average cloud cover in January
Glenoak Hills, CA

Average cloud cover in January - Glenoak Hills, CA
  • Average cloud cover in January: 23

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in January
Glenoak Hills, CA

Average visibility in January - Glenoak Hills, 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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Glenoak Hills, California, USA

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