Climate and monthly weather forecast
Fortuna, CA

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Weather in January

January, like December, in Fortuna, California, is another fresh winter month, with an average temperature ranging between min 43°F (6.1°C) and max 54.1°F (12.3°C). The commencement of January brings an average high-temperature of a still cool 54.1°F (12.3°C), marking an inconsequential divergence from December. Weather in January »

Weather in February

The last month of the winter, February, is also a fresh month in Fortuna, California, with an average temperature varying between 53.1°F (11.7°C) and 41.7°F (5.4°C). The months of February and December see the lowest levels of Fortuna's temperatures, averaging a high of 53.1°F (11.7°C). Weather in February »

Weather in March

The first month of the spring, March, is also a fresh month in Fortuna, California, with an average temperature varying between 41.9°F (5.5°C) and 54.3°F (12.4°C). March commences with an average high-temperature of a still cool 54.3°F (12.4°C), showing little deviation from February's 53.1°F (11.7°C). Weather in March »

Weather in April

April in Fortuna, California, is a refreshing spring month, with an average temperature ranging between min 43.7°F (6.5°C) and max 57.4°F (14.1°C). Fortuna experiences a recorded average high-temperature of a moderate 57.4°F (14.1°C) in April, closely aligned with March's 54.3°F (12.4°C). Weather in April »

Weather in May

May, the last month of the spring in Fortuna, is a refreshing month, with an average temperature ranging between max 61.3°F (16.3°C) and min 46.2°F (7.9°C). The commencement of May notes an average high-temperature of an enjoyable 61.3°F (16.3°C), exhibiting little difference from the previous month. Weather in May »

Weather in June

June, the first month of the summer in Fortuna, is also an enjoyable month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 50°F (10°C). The arrival of June sees an average high-temperature of a still refreshing 65.8°F (18.8°C), hardly diverging from May's 61.3°F (16.3°C). Weather in June »

Weather in July

July is an agreeable summer month in Fortuna, California, with an average temperature ranging between min 52.9°F (11.6°C) and max 70.7°F (21.5°C). The shift from June to July is characterized by an average high-temperature of an agreeable 70.7°F (21.5°C), not significantly different from the 65.8°F (18.8°C) of June. Weather in July »

Weather in August

August, the last month of the summer in Fortuna, is another pleasant month, with an average temperature ranging between max 71.6°F (22°C) and min 53.2°F (11.8°C). The average temperatures reach their apex in August, averaging 71.6°F (22°C) at the high end and 53.2°F (11.8°C) at the low end. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Fortuna, California, with an average temperature varying between 70.3°F (21.3°C) and 52.2°F (11.2°C). Fortuna's shift into September sets the average high-temperature at a still pleasant 70.3°F (21.3°C), a figure that deviates only slightly from August's 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Fortuna, California, with an average temperature fluctuating between 49.1°F (9.5°C) and 64.6°F (18.1°C). In October, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 70.3°F (21.3°C) in September to a comfortable 64.6°F (18.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Fortuna, is another refreshing month, with an average temperature fluctuating between 45.3°F (7.4°C) and 57.6°F (14.2°C). November sees a slight reduction in average high-temperature, with a shift from a comfortable 64.6°F (18.1°C) in October to a mild 57.6°F (14.2°C). Weather in November »

Weather in December

December, the first month of the winter in Fortuna, is still a cool month, with an average temperature ranging between max 53.1°F (11.7°C) and min 41.9°F (5.5°C). The yearly lowest temperatures occur in February and December, averaging a high-temperature of 53.1°F (11.7°C). Weather in December »
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Frequently asked questions

How many days does it rain in Fortuna?

In Fortuna, during the entire year, the rain falls for 110.4 days and collects up to 28.07" (713mm) of precipitation.

When it does not snow in Fortuna?

January, March through December are months without snowfall in Fortuna.

How much does it snow in Fortuna?

Throughout the year, in Fortuna, California, 0.31" (8mm) of snow is accumulated.

What are the months with the lowest UV index in Fortuna?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3.

What time of the year is the coldest in Fortuna?

Fortuna's coldest season falls during February and December, averaging a high-temperature of 53.1°F (11.7°C).

What are the most humid months in Fortuna?

February and March, with an average relative humidity of 82%, are most humid months.

When does it snow in Fortuna?

The only month with snowfall is February.

What is the snowiest month in Fortuna?

The month with the most snowfall in Fortuna is February, when snow falls for 0.3 days and typically aggregates up to 0.31" (8mm) of snow.

When is Daylight Saving Time (DST) in Fortuna?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Fortuna?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What are the months with the highest UV index in Fortuna?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the driest month in Fortuna?

The months with the least rainfall are July and August Rain falls for 2.3 days and accumulates 0.12" (3mm) of rain.

What is the month with the most sunshine in Fortuna?

The months with the most sunshine in Fortuna are July and August, with an average of 11.6h of sunshine.

What is the hottest time of year in Fortuna?

August brings the highest temperatures in Fortuna, with an average high of 71.6°F (22°C) and an average low of 53.2°F (11.8°C).

What is the least humid month in Fortuna?

The months with the lowest humidity are September and October, with an average relative humidity of 75%.

What is the wettest month in Fortuna?

December is the month with the most rainfall in Fortuna. Rain falls for 14.9 days and accumulates 5.16" (131mm) of precipitation.

What is the month with the shortest days in Fortuna?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Fortuna.

What is the month with the least sunshine in Fortuna?

December has the least sunshine of the year in Fortuna, California, with an average of 5.1h of sunshine.

Average temperature
Fortuna, CA

Average temperature - Fortuna, CA

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are February and December (53.1°F).

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).

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Average pressure
Fortuna, CA

Average pressure - Fortuna, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed
Fortuna, CA

Average wind speed - Fortuna, CA

The windiest months (with the highest average wind speed) are March and June (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity
Fortuna, CA

Average humidity - Fortuna, CA

The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are September and October (75%).

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Average rainfall
Fortuna, CA

Average rainfall - Fortuna, CA

The wettest month (with the highest rainfall) is December (5.16").
The driest months (with the least rainfall) are July and August (0.12").

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Average rainfall days
Fortuna, CA

Average rainfall days - Fortuna, CA

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall
Fortuna, CA

Average snowfall - Fortuna, CA

The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Fortuna, CA

Average snowfall days - Fortuna, CA

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Fortuna, CA

Average daylight / Average sunshine - Fortuna, CA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days
Fortuna, CA

Average sunshine days - Fortuna, CA

The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is March (12.3 days).

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Average UV index
Fortuna, CA

Average UV index - Fortuna, CA

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average visibility
Fortuna, CA

Average visibility - Fortuna, CA

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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Fortuna, California, USA

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