January weather forecast
Las Lomas, CA

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Weather in January

January, the same as December, in Las Lomas, California, is a moderate winter month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59°F (15°C).

Temperature

With the onset of January, the average high-temperature stands at a still mild 59°F (15°C), closely aligned with December's 57.9°F (14.4°C). An average minimum temperature of 44.2°F (6.8°C) is recorded in Las Lomas, California, during the month of January.

Humidity

The average relative humidity in January in Las Lomas is 72%.

Rainfall

In Las Lomas, during January, the rain falls for 8.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Las Lomas, during the entire year, the rain falls for 68.3 days and collects up to 11.38" (289mm) of precipitation.

Daylight

In January, the average length of the day is 9h and 59min.
On the first day of January in Las Lomas, sunrise is at 7:19 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:30 pm PST.

Sunshine

In January, the average sunshine in Las Lomas, California, is 6.4h.

UV index

In Las Lomas, California, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 in January translates into these instructions:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the usual temperature for Las Lomas in January?

In January, in Las Lomas, the average high-temperature is 59°F (15°C), and the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in January in Las Lomas?

The average relative humidity in January is 72%.

How much does it rain in Las Lomas in January?

In Las Lomas, California, during January, the rain falls for 8.9 days and regularly aggregates up to 2.05" (52mm) of precipitation.

What is the average length of the day in January in Las Lomas?

In January, the average day length in Las Lomas is 9h and 59min.

What time are sunrise and sunset in January in Las Lomas?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 5:01 pm. On the last day of the month, in Las Lomas, California, sunrise is at 7:09 am and sunset at 5:30 pm PST.

How many hours of sunshine does Las Lomas have in January?

The average sunshine duration in January in Las Lomas, California, is 6.4h.

What is the UV index intensity in January in Las Lomas?

The average daily maximum UV index in January in Las Lomas is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Las Lomas, CA

Average temperature in January - Las Lomas, CA
  • Average high temperature in January: 59°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (57.9°F).

  • Average low temperature in January: 44.2°F

The month with the highest average low temperature is September (54.9°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in January
Las Lomas, CA

Average pressure in January - Las Lomas, 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
Las Lomas, CA

Average wind speed in January - Las Lomas, CA
  • Average wind speed in January: 4.7mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are January, August, September, October and November (4.7mph).

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Average humidity in January
Las Lomas, CA

Average humidity in January - Las Lomas, CA
  • Average humidity in January: 72%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (65%).

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Average rainfall in January
Las Lomas, CA

Average rainfall in January - Las Lomas, CA
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is December (2.13").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in January
Las Lomas, CA

Average rainfall days in January - Las Lomas, CA
  • Average rainfall days in January: 8.9 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in January /
Average sunshine in January
Las Lomas, CA

Average daylight in January / Average sunshine in January - Las Lomas, CA
  • Average daylight in January: 10h and 0min

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

  • Average sunshine in January: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in January
Las Lomas, CA

Average sunshine days in January - Las Lomas, CA
  • Average sunshine days in January: 21 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index in January
Las Lomas, CA

Average UV index in January - Las Lomas, CA
  • Average UV index in January: 4

The months with the highest UV index are April, 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
Las Lomas, CA

Average cloud cover in January - Las Lomas, CA
  • Average cloud cover in January: 30

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in January
Las Lomas, CA

Average visibility in January - Las Lomas, 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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Las Lomas, California, USA

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