January weather forecast and climate
Mount Hamilton, CA

Weather in January

January, like December, is a frosty winter month in Mount Hamilton, California, with average temperature varying between 36.9°F (2.7°C) and 48.6°F (9.2°C).

Temperature

The coldest month is January, with an average high-temperature of 48.6°F (9.2°C) and an average low-temperature of 36.9°F (2.7°C).

Rainfall

January is the month with the most rainfall in Mount Hamilton, with 4.43" (112.5mm) of accumulated precipitation.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall in Mount Hamilton is January when 5" (127mm) of snow is typically aggregated.

Daylight

In Mount Hamilton, the average length of the day in January is 9.9h.
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FAQ

What is the coldest month in Mount Hamilton?

With an average high-temperature of 48.6°F (9.2°C) and an average low-temperature of 36.9°F (2.7°C), January is the coldest month in Mount Hamilton.

What is the temperature in January in Mount Hamilton?

The average high-temperature, in January, in Mount Hamilton, California, is 48.6°F (9.2°C), while the average low-temperature is 36.9°F (2.7°C).

How much does it rain in Mount Hamilton in January?

Throughout January, in Mount Hamilton, 4.43" (112.5mm) of precipitation is accumulated.

What is the wettest month in Mount Hamilton?

The month with the most rainfall in Mount Hamilton is January when 4.43" (112.5mm) of precipitation is typically aggregated.

How much does it snow in Mount Hamilton in January?

Throughout January, 5" (127mm) of snow is accumulated.

When does it snow the most in Mount Hamilton?

January is the month with the most snowfall in Mount Hamilton, California, with 5" (127mm) of accumulated snow.

What is the average length of the day in January in Mount Hamilton?

In January, the average length of the day in Mount Hamilton, California, is 9.9h.

Average temperature in January
Mount Hamilton, CA

Average temperature in January - Mount Hamilton, CA
  • Average high temperature in January: 48.5°F

The warmest month (with the highest average high temperature) is July (78.7°F).
The month with the lowest average high temperature is January (48.5°F).

  • Average low temperature in January: 36.8°F

The month with the highest average low temperature is July (63.3°F).
The coldest months (with the lowest average low temperature) are February and March (36.7°F).

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Average rainfall in January
Mount Hamilton, CA

Average rainfall in January - Mount Hamilton, CA
  • Average rainfall in January: 4.4"

The wettest month (with the highest rainfall) is January (4.4").
The driest month (with the least rainfall) is July (0").

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Average snowfall in January
Mount Hamilton, CA

Average snowfall in January - Mount Hamilton, CA
  • Average snowfall in January: 5"

The month with the highest snowfall is January (5").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average daylight in January
Mount Hamilton, CA

Average daylight in January - Mount Hamilton, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

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