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Norco (CA) Weather and Climate: A Comprehensive Guide

The temperature in Norco can vary greatly throughout the year. The temperatures shift from very warm to pleasant. The area is known for its low rainfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to pleasant in Norco. Average maximum daytime temperatures range from a very warm 34°C in August, the warmest time of the year, to a pleasant 19°C during cooler months like January.

At night, temperatures typically drop to an average of around 6°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Norco has a dry climate with very low precipitation, averaging 202 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 62 mm of precipitation, recorded across 7 rainy days. In contrast, the drier season, June brings less rainfall, with 0 mm over 0 rainy days. For more details, please visit our Norco Precipitation page.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Norco. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Corona, the United States of America (6 KM, 3 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (6 KM, 3 Miles).

Forecast for Norco (CA)

Fri   Dec 27
20°C | 7°C
NW 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
23°C | 5°C
W 3 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
22°C | 4°C
W 4 m/s
clear and no rain

clear and no rain

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

During the months of January, February, March, April and November 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:
  • Which is the warmest month in Norco?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Norco?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in Norco?
    December tops the wettest month list with 62 mm of rainfall.
  • Which is the driest month in Norco?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Norco?
    July is the sunniest month with an average of 369 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.