January weather forecast
Tomales, CA

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Weather in January

January, like December, is another refreshing winter month in Tomales, California, with an average temperature fluctuating between 45.7°F (7.6°C) and 56.5°F (13.6°C).

Temperature

Tomales in January witnesses an average high-temperature of a still mild 56.5°F (13.6°C), indicating a slight variation from December's 55.4°F (13°C). In Tomales, the January nights cool down to an average low of 45.7°F (7.6°C).

Humidity

In Tomales, the average relative humidity in January is 75%.

Rainfall

In Tomales, during January, the rain falls for 11.2 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Tomales, during the entire year, the rain falls for 83.1 days and collects up to 20" (508mm) of precipitation.

Daylight

In January, the average length of the day is 9h and 52min.
On the first day of January in Tomales, sunrise is at 7:28 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:32 pm PST.

Sunshine

In January, the average sunshine in Tomales is 5.8h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during January leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in January in Tomales?

The average high-temperature, in January, in Tomales, is 56.5°F (13.6°C), while the average low-temperature is 45.7°F (7.6°C).

What is the average humidity in January in Tomales?

In January, the average relative humidity in Tomales, California, is 75%.

How many days does it rain in January in Tomales?

In Tomales, California, during January, the rain falls for 11.2 days and regularly aggregates up to 3.27" (83mm) of precipitation.

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

In January, the average day length in Tomales is 9h and 52min.

What time are sunrise and sunset in January in Tomales?

On the first day of January, sunrise is at 7:28 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:32 pm PST.

How many hours of sunshine does Tomales have in January?

The average sunshine duration in January is 5.8h.

When is the lowest UV index in Tomales?

The months with the lowest UV index in Tomales, California, are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in January in Tomales?

In Tomales, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Tomales, CA

Average temperature in January - Tomales, CA
  • Average high temperature in January: 56.5°F

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in January: 45.7°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in January
Tomales, CA

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

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

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Average wind speed in January
Tomales, CA

Average wind speed in January - Tomales, CA
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

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Average humidity in January
Tomales, CA

Average humidity in January - Tomales, CA
  • Average humidity in January: 75%

The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are September and October (71%).

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Average rainfall in January
Tomales, CA

Average rainfall in January - Tomales, CA
  • Average rainfall in January: 3.27"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in January
Tomales, CA

Average rainfall days in January - Tomales, CA
  • Average rainfall days in January: 11.2 days

The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (1.1 days).

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Average daylight in January /
Average sunshine in January
Tomales, CA

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in January
Tomales, CA

Average sunshine days in January - Tomales, CA
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in January
Tomales, CA

Average UV index in January - Tomales, CA
  • Average UV index in January: 3

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

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Average cloud cover in January
Tomales, CA

Average cloud cover in January - Tomales, CA
  • Average cloud cover in January: 36

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).

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Average visibility in January
Tomales, CA

Average visibility in January - Tomales, 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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Tomales, California, USA

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