January weather forecast and climate
Highland, CA

Weather in January

January, like December, is another mild winter month in Highland, California, with average temperature fluctuating between 42.6°F (5.9°C) and 59.9°F (15.5°C).

Temperature

In Highland, the average high-temperature in January is almost the same as in December - a still moderate 59.9°F (15.5°C). The average low-temperature, in Highland, is 42.6°F (5.9°C).

Humidity

In January, the average relative humidity in Highland is 48%.

Rainfall

In Highland, during January, the rain falls for 5.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Highland, there are 51.8 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Highland.

Daylight

In January, the average length of the day is 10.2h.

Sunshine

The average sunshine in January is 7.1h.

UV index

In Highland, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in January in Highland?

The average high-temperature, in January, in Highland, California, is 59.9°F (15.5°C), while the average low-temperature is 42.6°F (5.9°C).

What is the average humidity in January in Highland?

In January, the average relative humidity in Highland, California, is 48%.

How many days does it rain in January in Highland?

In Highland, in January, during 5.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

Does it snow in Highland in January?

In Highland, California, in January, it doesn't snow. In February, it regularly snows.

When it does not snow in Highland?

January, March through December are months without snowfall in Highland.

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

In Highland, California, the average length of the day in January is 10.2h.

How many hours of sunshine does Highland have in January?

The average sunshine in January in Highland, California, is 7.1h.

What is the UV index reading in January in Highland?

The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in January
Highland, CA

Average temperature in January - Highland, CA
  • Average high temperature in January: 59.9°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in January: 42.6°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).

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Average pressure in January
Highland, CA

Average pressure in January - Highland, CA
  • Average pressure in January: 30.1"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in January
Highland, CA

Average wind speed in January - Highland, CA
  • Average wind speed in January: 5.6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).

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Average humidity in January
Highland, CA

Average humidity in January - Highland, CA
  • Average humidity in January: 48%

The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in January
Highland, CA

Average rainfall in January - Highland, CA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
Highland, CA

Average rainfall days in January - Highland, CA
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days in January
Highland, CA

Average snowfall days in January - Highland, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in January / Average sunshine in January - Highland, CA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 7.1h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in January
Highland, CA

Average sunshine days in January - Highland, CA
  • Average sunshine days in January: 23.8 days

The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in January
Highland, CA

Average UV index in January - Highland, CA
  • Average UV index in January: 4

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in January
Highland, CA

Average cloud cover in January - Highland, CA
  • Average cloud cover in January: 19

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in January
Highland, CA

Average visibility in January - Highland, CA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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