Fortuna (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Fortuna.
Climate overview of Fortuna
Fortuna, California, United States of America, has a moderate seasonal temperature range, with September reaching 22°C (72°F) and December cooling to 13°C (55°F).
The city receives considerable rainfall, with around 1085 mm (43 in) annually. December is the wettest month. It has a distinct dry season from May to September.
Fortuna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fortuna - and find the best time to visit.
Monthly Temperature in Fortuna
The climate in Fortuna experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 22°C (72°F) in September to a moderate 13°C (55°F) in the coolest month, December.
Nights vary from 12°C (54°F) in September to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Fortuna
Fortuna is known for its substantial rainfall, with annual precipitation reaching 1085 mm (43 in). The climate in Fortuna shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 220 mm (8.7 in) of precipitation over 18 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 2.4 mm (0.1 in) 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
The average number of days each month with precipitation
Best Time to Visit Fortuna
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July, August and September
- Fewest rainy days: July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September
Frequently asked questions about the climate in Fortuna
What is the best time to visit Fortuna?
June, July, August and September typically offer the most optimal weather in Fortuna. In contrast, March and December tend to have less optimal conditions. Fortuna has a distinct dry season from May to September.
What temperatures can I expect in Fortuna?
Daytime highs range from 13°C (55°F) in December to 22°C (72°F) in September. Nighttime lows range from 4°C (39°F) to 12°C (54°F).
How much rain does Fortuna get?
Annual rainfall is around 1085 mm (43 in). December is the wettest month with 220 mm (8.7 in), while August is the driest with 2.4 mm (0.1 in).
Fortuna 3-Day Forecast
Fortuna (CA) 3-Day Forecast
Fortuna on the map
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