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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another fresh winter month in Fortuna, California, with an average temperature varying between 43°F (6.1°C) and 54.1°F (12.3°C). January's climate shows a minor adjustment in average high-temperatures to a still fresh 54.1°F (12.3°C) from December's 53.1°F (11.7°C). Weather in January »
Weather in February
February, the last month of the winter in Fortuna, is also a fresh month, with an average temperature ranging between min 41.7°F (5.4°C) and max 53.1°F (11.7°C). The temperature hits its lowest levels in February and December, recording an average high-temperature of 53.1°F (11.7°C). Weather in February »
Weather in March
March, the first month of the spring in Fortuna, is also a fresh month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 41.9°F (5.5°C). The average high-temperature during March is a still fresh 54.3°F (12.4°C), almost matching the conditions of the preceding month. Weather in March »
Weather in April
April in Fortuna, California, is a mild spring month, with an average temperature ranging between min 43.7°F (6.5°C) and max 57.4°F (14.1°C). The arrival of April is marked by an average high-temperature of a moderate 57.4°F (14.1°C), bearing a close resemblance to March. Weather in April »
Weather in May
May, the last month of the spring in Fortuna, is a comfortable month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 46.2°F (7.9°C). With the transition into May, Fortuna notes an average high-temperature of a comfortable 61.3°F (16.3°C), closely resembling April. Weather in May »
Weather in June
The first month of the summer, June, is still a refreshing month in Fortuna, California, with temperature in the range of an average low of 50°F (10°C) and an average high of 65.8°F (18.8°C). Fortuna, California, experiences a minor change to a still comfortable 65.8°F (18.8°C) in average high-temperature during June, closely reflecting May. Weather in June »
Weather in July
July in Fortuna, California, is a pleasant summer month, with an average temperature ranging between min 52.9°F (11.6°C) and max 70.7°F (21.5°C). The average high-temperature is a pleasant 70.7°F (21.5°C) in July, hardly different from the 65.8°F (18.8°C) recorded in June. Weather in July »
Weather in August
The last month of the summer, August, is also an agreeable month in Fortuna, California, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 53.2°F (11.8°C). With its high average temperature of 71.6°F (22°C) and a low of 53.2°F (11.8°C), August is regarded as the warmest month. Weather in August »
Weather in September
September, the first month of the autumn in Fortuna, is still a pleasant month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 52.2°F (11.2°C). With the onset of September, the average high-temperature stands at a still pleasant 70.3°F (21.3°C), closely aligned with August's 71.6°F (22°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Fortuna, California, with an average temperature fluctuating between 49.1°F (9.5°C) and 64.6°F (18.1°C). The arrival of October suggests a slight decrease in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in September to an enjoyable 64.6°F (18.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Fortuna, California, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 57.6°F (14.2°C). As Fortuna enters November, the average high-temperature subtly lowers from the a comfortable 64.6°F (18.1°C) of October to a moderate 57.6°F (14.2°C). Weather in November »
Weather in December
December, the first month of the winter in Fortuna, is also a fresh month, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 41.9°F (5.5°C). February and December are the coldest months, with an average high-temperature of 53.1°F (11.7°C). Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain?
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?
January, March through December are months without snowfall in Fortuna.
How much does it snow?
In Fortuna, during the entire year, snow aggregates up to 0.31" (8mm).
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3.
What is the coldest time of year?
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?
The months with the highest humidity are February and March, with an average relative humidity of 82%.
When does it snow?
The only month with snowfall is February.
When does it snow the most?
The month with the most snowfall 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)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fortuna, 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?
With an average of 15h and 0min of daylight, June has the longest days of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 2.3 days and accumulates 0.12" (3mm) of rain.
What are the months with the most sunshine?
July and August, with an average of 11.6h of sunshine, are months with the most sunshine.
What part of the year is the hottest?
August is the warmest month in Fortuna, with an average high-temperature of 71.6°F (22°C) and an average low-temperature of 53.2°F (11.8°C).
What is the least humid month?
September and October, with an average relative humidity of 75%, are the least humid months.
What is the wettest month?
December is the month with the most rainfall. Rain falls for 14.9 days and accumulates 5.16" (131mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5.1h of sunshine.
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).
Average pressure
Fortuna, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed
Fortuna, CA
- Average wind speed in January:
7.3mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
7.7mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.4mph - Average wind speed in October:
7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.8mph
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).
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%).
Average rainfall
Fortuna, CA
- Average rainfall in January:
4.37" - Average rainfall in February:
3.9" - Average rainfall in March:
4.49" - Average rainfall in April:
2.32" - Average rainfall in May:
1.65" - Average rainfall in June:
0.47"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.12" - Average rainfall in September:
0.55" - Average rainfall in October:
1.81" - Average rainfall in November:
3.11" - Average rainfall in December:
5.16"
The wettest month (with the highest rainfall) is December (5.16").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days
Fortuna, CA
- Average rainfall days in January:
13.5 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
8.2 days - Average rainfall days in June:
4.6 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
4.4 days - Average rainfall days in October:
7.3 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
14.9 days
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).
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").
Average snowfall days
Fortuna, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
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).
Average daylight / Average sunshine
Fortuna, CA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
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).
Average sunshine days
Fortuna, CA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
21.6 days - Average sunshine days in June:
23.7 days
- Average sunshine days in July:
28.1 days - Average sunshine days in August:
27.8 days - Average sunshine days in September:
25.4 days - Average sunshine days in October:
22.7 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15 days
The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is March (12.3 days).
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).
Average cloud cover
Fortuna, CA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
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).
Fortuna, California, USA
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