January weather forecast
Hermosa Beach, CA

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Weather in January

January, like December, in Hermosa Beach, California, is another refreshing winter month, with an average temperature varying between 64.4°F (18°C) and 53.2°F (11.8°C).

Temperature

As December transitions into January, the average high-temperature rests at a still enjoyable 64.4°F (18°C), maintaining a close resemblance to the previous month. January nights experience a consistent temperature drop to a fresh 53.2°F (11.8°C).

Humidity

In Hermosa Beach, the average relative humidity in January is 59%.

Rainfall

The month with the most rainfall is January, when the rain falls for 4.8 days and typically aggregates up to 1.5" (38mm) of precipitation.

Daylight

The average length of the day in January is 10h and 13min.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:55 pm. On the last day of January, sunrise is at 6:50 am and sunset at 5:22 pm PST.

Sunshine

In January, the average sunshine is 6.7h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Hermosa Beach. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In January, a daily maximum UV index of 4 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in January?

In Hermosa Beach, in January, the average high-temperature is 64.4°F (18°C), and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in January?

In January, the average relative humidity is 59%.

What is the wettest month in Hermosa Beach?

The month with the most rainfall is January, when the rain falls for 4.8 days and typically aggregates up to 1.5" (38mm) of precipitation.

How much does it rain in January?

In Hermosa Beach, in January, it is raining for 4.8 days, with typically 1.5" (38mm) of accumulated precipitation.

How many hours of daylight does Hermosa Beach have in January?

In January, the average day length is 10h and 13min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 6:58 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:22 pm PST.

How many hours of sunshine does Hermosa Beach have in January?

The average sunshine duration in January is 6.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Hermosa Beach, CA

Average temperature in January - Hermosa Beach, CA
  • Average high temperature in January: 64.4°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in January: 53.2°F

The months with the highest average low temperature are August and September (64.2°F).
The coldest month (with the lowest average low temperature) is February (52.2°F).

Average pressure in January
Hermosa Beach, CA

Average pressure in January - Hermosa Beach, CA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

Average wind speed in January
Hermosa Beach, CA

Average wind speed in January - Hermosa Beach, CA
  • Average wind speed in January: 5.9mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

Average humidity in January
Hermosa Beach, CA

Average humidity in January - Hermosa Beach, CA
  • Average humidity in January: 59%

The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (57%).

Average rainfall in January
Hermosa Beach, CA

Average rainfall in January - Hermosa Beach, CA
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in January
Hermosa Beach, CA

Average rainfall days in January - Hermosa Beach, CA
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (3 days).

Average daylight in January /
Average sunshine in January
Hermosa Beach, CA

Average daylight in January / Average sunshine in January - Hermosa Beach, 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 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in January
Hermosa Beach, CA

Average sunshine days in January - Hermosa Beach, CA
  • Average sunshine days in January: 24.9 days

The months with the most sunshine days are January and October (24.9 days).
The month with the least sunshine days is June (19.6 days).

Average UV index in January
Hermosa Beach, CA

Average UV index in January - Hermosa Beach, CA
  • Average UV index in January: 4

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

Average cloud cover in January
Hermosa Beach, CA

Average cloud cover in January - Hermosa Beach, CA
  • Average cloud cover in January: 21

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in January
Hermosa Beach, CA

Average visibility in January - Hermosa Beach, 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).

Hermosa Beach, California, USA

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