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Otay Mesa (CA) Climate by Month

The temperature in Otay Mesa varies moderately throughout the year. The temperatures shift from 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 day and night temperature

In Otay Mesa, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures range from a comfortable 27°C in September, the warmest time of the year, to a pleasant 19°C during cooler months like December. At night, temperatures typically average around 8°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Otay Mesa has a dry climate with very low precipitation, averaging 234 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 61 mm of precipitation, recorded across 8 rainy days. In contrast, the drier season, June brings less rainfall, with 0.5 mm over 0 rainy days.

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

Sunshine over the year

While the amount of sunshine in Otay Mesa varies throughout the year, all seasons offer their own charm. Enjoy up to 10.4 hours of daily sun in July, and experience slightly darker atmosphere in January, with about 7.3 hours of daily sunlight.

Monthly hours of sunshine

Data from: Tijuana, Mexico (6 KM, 4 Miles).

Daily hours of sunshine

Data from: Tijuana, Mexico (6 KM, 4 Miles).

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

During the months of January, March, April, May, June, October 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:
  • When is summer in Otay Mesa?
    The hottest season / summer takes place in July, August, September and October.
  • Which is the warmest month in Otay Mesa?
    September has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Otay Mesa?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in Otay Mesa?
    December tops the wettest month list with 61 mm of rainfall.
  • Which is the driest month in Otay Mesa?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Otay Mesa?
    July is the sunniest month with an average of 312 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.

    Forecast for Otay Mesa (CA)

    Sat   Nov 23
    20°C | 7°C
    W 18 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Nov 24
    21°C | 12°C
    NW 18 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    23°C | 11°C
    W 18 km/h
    almost clear and no rain

    almost clear and no rain