January weather forecast
Redwood Shores, CA

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Weather in January

January, like December, is a moderate winter month in Redwood Shores, California, with an average temperature varying between 56.8°F and 46°F.

Temperature

December's transformation into January witnesses an average high-temperature of a still mild 56.8°F, noting a minor change from the preceding month. During January, Redwood Shores consistently records a temperature low averaging a frosty 46°F.

Humidity

In January, the average relative humidity in Redwood Shores is 73%.

Rainfall

In Redwood Shores, in January, during 9.9 rainfall days, 1.69" of precipitation is typically accumulated. Throughout the year, in Redwood Shores, there are 77.5 rainfall days, and 11.22" of precipitation is accumulated.

Daylight

In January, the average length of the day in Redwood Shores is 9h and 55min.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of January, in Redwood Shores, California, sunrise is at 7:13 am and sunset at 5:31 pm PST.

Sunshine

In Redwood Shores, the average sunshine in January is 6.2h.

UV index

The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 4 during January, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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FAQ

What are the temperatures in Redwood Shores in January?

In January, the average high-temperature and low-temperature in Redwood Shores, California, are 56.8°F and 46°F respectively.

What is the average humidity in January in Redwood Shores?

In January, the average relative humidity in Redwood Shores is 73%.

How much does it rain in Redwood Shores in January?

In Redwood Shores, during January, the rain falls for 9.9 days and regularly aggregates up to 1.69" of precipitation.

How many hours of daylight does Redwood Shores have in January?

In January, the average day length in Redwood Shores is 9h and 55min.

When is the sunrise / sunset in January in Redwood Shores?

On the first day of January, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:31 pm PST.

How long on average sun shines in January in Redwood Shores?

The average sunshine duration in January in Redwood Shores is 6.2h.

How high is the UV index in January in Redwood Shores?

In January, the average daily maximum UV index in Redwood Shores is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Redwood Shores, CA

Average temperature in January - Redwood Shores, CA
  • Average high temperature in January: 56.8°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in January: 46°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in January
Redwood Shores, CA

Average pressure in January - Redwood Shores, CA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in January
Redwood Shores, CA

Average wind speed in January - Redwood Shores, CA
  • Average wind speed in January: 5.8mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).

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Average humidity in January
Redwood Shores, CA

Average humidity in January - Redwood Shores, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in January
Redwood Shores, CA

Average rainfall in January - Redwood Shores, CA
  • Average rainfall in January: 1.69"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in January
Redwood Shores, CA

Average rainfall days in January - Redwood Shores, CA
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).

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Average daylight in January /
Average sunshine in January
Redwood Shores, CA

Average daylight in January / Average sunshine in January - Redwood Shores, CA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in January
Redwood Shores, CA

Average sunshine days in January - Redwood Shores, CA
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in January
Redwood Shores, CA

Average UV index in January - Redwood Shores, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in January
Redwood Shores, CA

Average cloud cover in January - Redwood Shores, CA
  • Average cloud cover in January: 32

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in January
Redwood Shores, CA

Average visibility in January - Redwood Shores, 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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Redwood Shores, California, USA

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