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Newark (CA) Weather and Climate: A Comprehensive Guide

The temperature in Newark can vary greatly throughout the year. The temperatures shift from warm to mild. The city tends toward drier weather patterns. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to moderate in Newark. Average daytime temperatures reach a comfortable 26°C in September. In January, the coolest month of the year, temperatures drop to a moderate 15°C.

At night, you can expect cooler temperatures, with averages dropping to around 6°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Newark has a relatively dry climate with low precipitation, averaging 325 mm of rainfall annually. Newark can be quite wet during December, receiving approximately 75 mm of precipitation over 10 rainy days.

In contrast July, experiences much drier conditions, with 0 mm of rainfall, spread across 0 rainy days. For more details, please visit our Newark Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Newark can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: San Francisco, the United States of America (31 KM, 19 Miles).

Daily hours of sunshine

Data from: San Francisco, the United States of America (31 KM, 19 Miles).

Forecast for Newark (CA)

Fri   Dec 27
17°C | 10°C
S 4 m/s
2.7 mm
broken clouds and slight rain

broken clouds and slight rain

Sat   Dec 28
17°C | 11°C
SE 2 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
16°C | 8°C
S 5 m/s
6 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Newark in the United States of America

During the months of May, June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Newark?
    The hottest season / summer takes place in June, July, August and September.
  • Does Newark have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Newark?
    September has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Newark?
    The coldest month is December with an average maximum temperature of 15°C.
  • Which is the wettest month in Newark?
    December tops the wettest month list with 75 mm of rainfall.
  • Which is the driest month in Newark?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Newark?
    May is the sunniest month with an average of 324 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.