January weather forecast and climate
Newark, CA

Weather in January

January, the same as December, in Newark, California, is a moderate winter month, with average temperature fluctuating between 43.7°F (6.5°C) and 57.9°F (14.4°C).

Temperature

In Newark, California, the average high-temperature is almost the same as in December - a still moderate 57.9°F (14.4°C). In Newark, California, the average low-temperature is 43.7°F (6.5°C).

Humidity

In Newark, the average relative humidity is 71%.

Rainfall

In January, in Newark, the rain falls for 5.5 days. Throughout January, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 43.5 rainfall days, and 2.36" (60mm) of precipitation is accumulated.

Daylight

In January, the average length of the day is 9.9h.

Sunshine

The average sunshine in Newark, California, is 6.3h.

UV index

In Newark, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in January in Newark?

The average high-temperature, in January, is 57.9°F (14.4°C), while the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in January in Newark?

In January, the average relative humidity in Newark is 71%.

How much does it rain in Newark in January?

In Newark, California, during January, the rain falls for 5.5 days and regularly aggregates up to 0.35" (9mm) of precipitation.

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

In Newark, California, the average length of the day in January is 9.9h.

How many hours of sunshine does Newark have in January?

The average sunshine in January in Newark, California, is 6.3h.

How high is the UV index in January in Newark?

In Newark, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in January
Newark, CA

Average temperature in January - Newark, CA
  • Average high temperature in January: 57.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in January: 43.7°F

The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are January, February and December (43.7°F).

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Average pressure in January
Newark, CA

Average pressure in January - Newark, CA
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in January
Newark, CA

Average wind speed in January - Newark, CA
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest months (with the lowest average wind speed) are October and November (4.6mph).

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Average humidity in January
Newark, CA

Average humidity in January - Newark, CA
  • Average humidity in January: 71%

The month with the highest relative humidity is March (72%).
Months with the lowest relative humidity are July and September (61%).

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Average rainfall in January
Newark, CA

Average rainfall in January - Newark, CA
  • Average rainfall in January: 0.35"

The wettest months (with the highest rainfall) are February and March (0.47").
The driest months (with the least rainfall) are July and August (0").

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Average rainfall days in January
Newark, CA

Average rainfall days in January - Newark, CA
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is July (0.3 days).

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

Average daylight in January / Average sunshine in January - Newark, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 6.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in January
Newark, CA

Average sunshine days in January - Newark, CA
  • Average sunshine days in January: 24.6 days

The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is February (21.3 days).

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Average UV index in January
Newark, CA

Average UV index in January - Newark, CA
  • Average UV index in January: 4

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in January
Newark, CA

Average cloud cover in January - Newark, CA
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in January
Newark, CA

Average visibility in January - Newark, CA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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