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Fortuna (CA) Weather and Climate: A Comprehensive Guide

Temperatures see a moderate degree of fluctuation, transitioning from pleasant conditions to mild. It is also known for its large amounts of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Fortuna experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 22°C in September to a moderate 13°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

Fortuna is known for its substantial rainfall, with annual precipitation reaching 1085 mm. The climate in Fortuna shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 220 mm of precipitation over 18 rainy days.

In contrast, August offers drier and sunnier days, with around 2.4 mm of rainfall over a single rainy day. For more details, please visit our Fortuna Precipitation page.

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

Forecast for Fortuna (CA)

Fri   Dec 27
14°C | 11°C
SE 8 m/s
13 mm
overcast and rain

overcast and rain

Sat   Dec 28
14°C | 10°C
SE 7 m/s
20 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
13°C | 6°C
SW 6 m/s
40 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Fortuna 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 Fortuna?
    Most rainfall (rainy season) is seen in January, March and December.
  • Does Fortuna have a dry season?
    Yes, the months of June, July and August are very dry.
  • Which is the warmest month in Fortuna?
    September has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Fortuna?
    The coldest month is December with an average maximum temperature of 13°C.
  • Which is the wettest month in Fortuna?
    December tops the wettest month list with 220 mm of rainfall.
  • Which is the driest month in Fortuna?
    August is the driest month with 2 mm of precipitation.

  • 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.