January weather forecast
Anaheim, CA

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Beautiful residential area in Anaheim, California with a tall flat building in a distance
Beautiful residential area in Anaheim, California with a tall flat building in a distance

Weather in January

Anaheim, California, starts the year with relatively comfortable temperatures, showing an ease into the year. The month experiences slight temperature fluctuations between 51.4°F (10.8°C) and 66.2°F (19°C). Compared to February, January experiences a higher amount of UV rays, those outdoor activities should be done with care. Rainfall remains relatively low compared to later in the year, making it an adequate time for outdoor events. Winds remain at a moderate level contributing to the comfortable weather conditions.

Temperature

With the onset of January, Anaheim's average high-temperature clocks in at a still refreshing 66.2°F (19°C), showing a minor fluctuation from the previous month. An average nighttime temperature of 51.4°F (10.8°C) is noted during the month of January.

Humidity

The average relative humidity in January is 54%.

Rainfall

In Anaheim, in January, during 4.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Anaheim, there are 52.5 rainfall days, and 7.09" (180mm) of precipitation is accumulated.

Daylight

In Anaheim, the average length of the day in January is 10h and 13min.
On the first day of January, sunrise is at 6:56 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:21 pm PST.

Sunshine

The average sunshine in January is 6.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 4 in January leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the average January temperature in Anaheim?

In Anaheim, 66.2°F (19°C) is the average high-temperature and 51.4°F (10.8°C) is the average low-temperature during January.

What is the average humidity in January in Anaheim?

The average relative humidity in January in Anaheim is 54%.

How many days does it rain in January in Anaheim?

In Anaheim, in January, during 4.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

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

The average day length in January in Anaheim is 10h and 13min.

When are sunrise and sunset in January in Anaheim?

In January, on the first day of the month, sunrise is at 6:56 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:21 pm PST.

How long on average sun shines in January in Anaheim?

The average sunshine duration in January in Anaheim, California, is 6.9h.

When is the lowest UV index in Anaheim?

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Anaheim.

What is the UV index intensity in January in Anaheim?

In Anaheim, California, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes 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
Anaheim, CA

Average temperature in January - Anaheim, CA
  • Average high temperature in January: 66.2°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (64°F).

  • Average low temperature in January: 51.4°F

The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

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Average pressure in January
Anaheim, CA

Average pressure in January - Anaheim, 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
Anaheim, CA

Average wind speed in January - Anaheim, CA
  • Average wind speed in January: 5.2mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity in January
Anaheim, CA

Average humidity in January - Anaheim, CA
  • Average humidity in January: 54%

The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in January
Anaheim, CA

Average rainfall in January - Anaheim, CA
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
Anaheim, CA

Average rainfall days in January - Anaheim, CA
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.5 days).

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

Average daylight in January / Average sunshine in January - Anaheim, 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: 9h and 54min).

  • 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 42min).

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Average sunshine days in January
Anaheim, CA

Average sunshine days in January - Anaheim, CA
  • Average sunshine days in January: 25.2 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (20.6 days).

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Average UV index in January
Anaheim, CA

Average UV index in January - Anaheim, 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, November and December (UV index 4).

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Average cloud cover in January
Anaheim, CA

Average cloud cover in January - Anaheim, CA
  • Average cloud cover in January: 20

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in January
Anaheim, CA

Average visibility in January - Anaheim, 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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Anaheim, California, USA

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