ClimateForecastNovemberDecember >>

Jenner (CA) Climate by Month

The temperature in Jenner varies moderately throughout the year. The temperatures shift from pleasant to mild. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The weather in Jenner changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 22°C in September. In December, the coolest month of the year, temperatures drop to a moderate 13°C. At night, expect cooler temperatures, averaging 6°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Jenner has a moderate amount of precipitation, averaging 994 mm of rainfall annually. Jenner can be quite wet during December, receiving approximately 206 mm of precipitation over 14 rainy days. In contrast July, experiences much drier conditions, with 1.2 mm of rainfall, spread across 2 rainy days.

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

Sunshine over the year

Jenner can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.

Monthly hours of sunshine

Data from: Healdsburg, the United States of America (27 KM, 17 Miles).

Daily hours of sunshine

Data from: Healdsburg, the United States of America (27 KM, 17 Miles).

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

During the months of July, August and September 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 months have the greatest rainfall in Jenner?
    Most rainfall (rainy season) is seen in January, February, March and December.
  • Does Jenner have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Jenner?
    September has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Jenner?
    The coldest month is December with an average maximum temperature of 13°C.
  • Which is the wettest month in Jenner?
    December tops the wettest month list with 206 mm of rainfall.
  • Which is the driest month in Jenner?
    July is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Jenner?
    May is the sunniest month with an average of 310 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 Jenner (CA)

    Sat   Nov 23
    13°C | 7°C
    W 11 km/h
    1.5 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sun   Nov 24
    12°C | 5°C
    S 25 km/h
    17 mm
    overcast and heavy rain

    overcast and heavy rain

    Mon   Nov 25
    13°C | 8°C
    E 11 km/h
    5.6 mm
    broken clouds and slight rain

    broken clouds and slight rain