January weather forecast
Mount Hamilton, CA

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Weather in January

January, like December, is a frosty winter month in Mount Hamilton, California, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 36.9°F (2.7°C).

Temperature

Mount Hamilton's coldest month, January, registers temperatures that range from a high of 48.6°F (9.2°C) to a low of 36.9°F (2.7°C).

Rainfall

January is the month with the most rainfall, with 4.45" (113mm) of accumulated precipitation.

Snowfall

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

Daylight

In Mount Hamilton, the average length of the day in January is 9h and 56min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:29 pm PST.
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Frequently asked questions

What month is the coldest in Mount Hamilton?

Mount Hamilton's coldest month, January, registers temperatures that range from a high of 48.6°F (9.2°C) to a low of 36.9°F (2.7°C).

What are January temperatures in Mount Hamilton?

Mount Hamilton in January has an average high-temperature of 48.6°F (9.2°C) and an average low-temperature of 36.9°F (2.7°C).

What is the wettest month in Mount Hamilton?

January is the month with the most rainfall in Mount Hamilton, with 4.45" (113mm) of accumulated precipitation.

How much does it rain in Mount Hamilton in January?

In Mount Hamilton, in January, 4.45" (113mm) of precipitation is typically accumulated.

When does it snow the most in Mount Hamilton?

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

How much does it snow in Mount Hamilton in January?

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

How many hours of daylight does Mount Hamilton have in January?

In January, the average day length in Mount Hamilton is 9h and 56min.

What time are sunrise and sunset in January in Mount Hamilton?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:59 pm. On the last day of the month, in Mount Hamilton, sunrise is at 7:10 am and sunset at 5:29 pm PST.

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").
The 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: 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).

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Mount Hamilton, California, USA

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