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Rosemead (CA) Weather and Climate: A Comprehensive Guide

The temperature in Rosemead can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and pleasant during the cooler months. It typically sees modest rainfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Rosemead can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 32°C in August. In December, the coolest month of the year, temperatures drop to a pleasant 20°C.

At night, you can expect cooler temperatures, with averages dropping to around 8°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Rosemead's climate is marked by below-average rainfall, accumulating 302 mm of precipitation yearly. Rosemead can be quite wet during December, receiving approximately 80 mm of precipitation over 8 rainy days.

In contrast August, experiences much drier conditions, with 0.3 mm of rainfall, spread across 0 rainy days. For more details, please visit our Rosemead Precipitation page.

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

Sunshine over the year

Rosemead can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.1 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 7.2 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Los Angeles, the United States of America (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Los Angeles, the United States of America (32 KM, 20 Miles).

Forecast for Rosemead (CA)

Fri   Dec 27
19°C | 9°C
E 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
20°C | 9°C
SW 2 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
20°C | 9°C
SW 3 m/s
almost clear and no rain

almost clear and no rain

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

During the months of January, February, March, April, May, November and December 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 Rosemead?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Rosemead?
    The coldest month is December with an average maximum temperature of 20°C.
  • Which is the wettest month in Rosemead?
    December tops the wettest month list with 80 mm of rainfall.
  • Which is the driest month in Rosemead?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Rosemead?
    July is the sunniest month with an average of 364 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.