January weather forecast
East Irvine, CA

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Weather in January

January, like December, in East Irvine, California, is another comfortable winter month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 50.7°F (10.4°C).

Temperature

January's presence marks an average high-temperature of a still refreshing 65.1°F (18.4°C), subtly varied from December's 63.1°F (17.3°C). Throughout January, East Irvine records an average temperature of 50.7°F (10.4°C) at night.

Humidity

In January, the average relative humidity in East Irvine is 57%.

Rainfall

In January, in East Irvine, the rain falls for 6.1 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In East Irvine, during the entire year, the rain falls for 65.2 days and collects up to 9.17" (233mm) of precipitation.

Daylight

In January, the average length of the day is 10h and 13min.
On the first day of January, sunrise is at 6:55 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:20 pm PST.

Sunshine

The average sunshine in January is 6.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: During January, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average January temperature in East Irvine?

An average high-temperature, in January, in East Irvine, is 65.1°F (18.4°C) and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in January in East Irvine?

In January, the average relative humidity is 57%.

How many days does it rain in January in East Irvine?

In January, in East Irvine, the rain falls for 6.1 days. Throughout January, 1.42" (36mm) of precipitation is accumulated.

How many hours of daylight does East Irvine have in January?

In East Irvine, California, the average day length in January is 10h and 13min.

What time are sunrise and sunset in January in East Irvine?

On the first day of January, sunrise is at 6:55 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:20 pm PST.

How long on average sun shines in January in East Irvine?

The average sunshine duration in January is 6.8h.

What are the months with the lowest UV index in East Irvine?

The months with the lowest UV index in East Irvine, California, are January through March, November and December, with an average maximum UV index of 4.

What is the UV index intensity in January in East Irvine?

The average daily maximum UV index in January in East Irvine is 4. A UV Index estimate of 3 to 5 represents a medium health risk from 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
East Irvine, CA

Average temperature in January - East Irvine, CA
  • Average high temperature in January: 65.1°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in January: 50.7°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in January
East Irvine, CA

Average pressure in January - East Irvine, CA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in January
East Irvine, CA

Average wind speed in January - East Irvine, CA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in January
East Irvine, CA

Average humidity in January - East Irvine, CA
  • Average humidity in January: 57%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in January
East Irvine, CA

Average rainfall in January - East Irvine, CA
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in January
East Irvine, CA

Average rainfall days in January - East Irvine, CA
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.1 days).

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Average daylight in January /
Average sunshine in January
East Irvine, CA

Average daylight in January / Average sunshine in January - East Irvine, CA
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 6h and 5min

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 36min).

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Average sunshine days in January
East Irvine, CA

Average sunshine days in January - East Irvine, CA
  • Average sunshine days in January: 23.4 days

The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (19.6 days).

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Average UV index in January
East Irvine, CA

Average UV index in January - East Irvine, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in January
East Irvine, CA

Average cloud cover in January - East Irvine, CA
  • Average cloud cover in January: 22

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in January
East Irvine, CA

Average visibility in January - East Irvine, 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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East Irvine, California, USA

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