January weather forecast
East Pasadena, CA

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Weather in January

January, the same as December, is another comfortable winter month in East Pasadena, California, with an average temperature ranging between min 47.3°F (8.5°C) and max 63.9°F (17.7°C).

Temperature

East Pasadena experiences a transition to a still enjoyable 63.9°F (17.7°C) in average high-temperatures with the arrival of January, not greatly differing from December's 61.7°F (16.5°C). The mean low-temperature during January nights is a frosty 47.3°F (8.5°C).

Humidity

The average relative humidity in January is 51%.

Rainfall

In East Pasadena, during January, the rain falls for 5.7 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 50.1 rainfall days, and 8.5" (216mm) of precipitation is accumulated.

Daylight

In East Pasadena, the average length of the day in January is 10h and 11min.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:53 pm. On the last day of January, sunrise is at 6:50 am and sunset at 5:21 pm PST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 6.9h of sunshine.

UV index

In East Pasadena, the average daily maximum UV index in January is 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: A maximum UV index of 4 in January translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for East Pasadena in January?

In East Pasadena, 63.9°F (17.7°C) is the average high-temperature and 47.3°F (8.5°C) is the average low-temperature during January.

What is the average humidity in January?

In January, the average relative humidity is 51%.

How much does it rain in January?

In East Pasadena, in January, it is raining for 5.7 days, with typically 1.57" (40mm) of accumulated precipitation.

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

The average day length in January is 10h and 11min.

When are sunrise and sunset in January in East Pasadena?

In January, on the first day of the month, sunrise is at 6:57 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:21 pm PST.

What are the months with the least sunshine?

The months with the least sunshine in East Pasadena are January, February and December, with an average of 6.9h of sunshine.

How many hours of sunshine does East Pasadena have in January?

In East Pasadena, the average sunshine duration in January is 6.9h.

How high is the UV index in January in East Pasadena?

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

Average temperature in January - East Pasadena, CA
  • Average high temperature in January: 63.9°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in January: 47.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).

Average pressure in January
East Pasadena, CA

Average pressure in January - East Pasadena, CA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in January
East Pasadena, CA

Average wind speed in January - East Pasadena, CA
  • Average wind speed in January: 5.3mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

Average humidity in January
East Pasadena, CA

Average humidity in January - East Pasadena, CA
  • Average humidity in January: 51%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).

Average rainfall in January
East Pasadena, CA

Average rainfall in January - East Pasadena, CA
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January
East Pasadena, CA

Average rainfall days in January - East Pasadena, CA
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in January / Average sunshine in January - East Pasadena, 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 June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).

Average sunshine days in January
East Pasadena, CA

Average sunshine days in January - East Pasadena, CA
  • Average sunshine days in January: 24.7 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in January
East Pasadena, CA

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

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in January
East Pasadena, CA

Average cloud cover in January - East Pasadena, CA
  • Average cloud cover in January: 20

The 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).

Average visibility in January
East Pasadena, CA

Average visibility in January - East Pasadena, 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).

East Pasadena, California, USA

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