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Geyserville (CA) Weather and Climate: A Comprehensive Guide

Geyserville experiences great temperature shifts. The city's weather can transition from very warm days to mild weather. It maintains moderate precipitation patterns. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Geyserville is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C in July to a moderate 14°C in the coolest month, December.

Nights are cooler, with lows often dropping to around 4°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Geyserville receives mid-range precipitation levels, with 851 mm annually. The climate in Geyserville shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 173 mm of precipitation over 13 rainy days.

In contrast, August offers drier and sunnier days, with around 0.1 mm of rainfall over 0 rainy days. For more details, please visit our Geyserville Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, Geyserville serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Healdsburg, the United States of America (11 KM, 6 Miles).

Daily hours of sunshine

Data from: Healdsburg, the United States of America (11 KM, 6 Miles).

Forecast for Geyserville (CA)

Fri   Dec 27
15°C | 10°C
NW 2 m/s
1.3 mm
broken clouds and slight rain

broken clouds and slight rain

Sat   Dec 28
14°C | 10°C
S 3 m/s
8.1 mm
overcast and rain

overcast and rain

Sun   Dec 29
14°C | 7°C
S 6 m/s
24 mm
partly cloudy and rain

partly cloudy and rain

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

During the months of April, May 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:
  • Which months have the greatest rainfall in Geyserville?
    Most rainfall (rainy season) is seen in February and December.
  • Does Geyserville have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Geyserville?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Geyserville?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in Geyserville?
    December tops the wettest month list with 173 mm of rainfall.
  • Which is the driest month in Geyserville?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Geyserville?
    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.