January weather forecast
East Porterville, CA

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Weather in January

January, the same as December, in East Porterville, California, is another refreshing winter month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 59.9°F (15.5°C).

Temperature

January's presence marks an average high-temperature of a still mild 59.9°F (15.5°C), subtly varied from December's 57.6°F (14.2°C). East Porterville experiences an average nighttime temperature of 41.5°F (5.3°C) in the month of January.

Humidity

With an average relative humidity of 64%, January is the most humid month.

Rainfall

In East Porterville, during January, the rain falls for 6.5 days and regularly aggregates up to 1.42" (36mm) of precipitation. In East Porterville, during the entire year, the rain falls for 52.3 days and collects up to 9.37" (238mm) of precipitation.

Snowfall

In East Porterville, snow does not fall in January, March through December.

Daylight

In East Porterville, the average length of the day in January is 10h and 2min.
On the first day of January, sunrise is at 7:06 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:21 pm PST.

Sunshine

The average sunshine in January is 6.9h.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in January transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

The high-temperature during January is 59.9°F (15.5°C) and the low-temperature is 41.5°F (5.3°C).

What is the most humid month?

January is the most humid month in East Porterville, with an average relative humidity of 64%.

What is the average humidity in January in East Porterville?

In January, the average relative humidity is 64%.

How much does it rain in January?

In East Porterville, in January, during 6.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow?

In East Porterville, snow does not fall in January, March through December.

Does it snow in January?

In East Porterville, in January, it doesn't snow. In February, it regularly snows.

What is the average length of the day in January?

In January, the average day length is 10h and 2min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:06 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:21 pm PST.

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

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

What are the months with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the UV index reading in January?

In January, the average daily maximum UV index in East Porterville is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
East Porterville, CA

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

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in January: 41.5°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

Average pressure in January
East Porterville, CA

Average pressure in January - East Porterville, CA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in January
East Porterville, CA

Average wind speed in January - East Porterville, CA
  • Average wind speed in January: 3.9mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

Average humidity in January
East Porterville, CA

Average humidity in January - East Porterville, CA
  • Average humidity in January: 64%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).

Average rainfall in January
East Porterville, CA

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

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in January
East Porterville, CA

Average rainfall days in January - East Porterville, CA
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

Average snowfall days in January
East Porterville, CA

Average snowfall days in January - East Porterville, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in January / Average sunshine in January - East Porterville, 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 48min).

  • Average sunshine in January: 6h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in January
East Porterville, CA

Average sunshine days in January - East Porterville, CA
  • Average sunshine days in January: 23.1 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

Average UV index in January
East Porterville, CA

Average UV index in January - East Porterville, CA
  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in January
East Porterville, CA

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

The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in January
East Porterville, CA

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

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