October Weather in Fortuna, United States

Last updated: June 24, 2025

In October, the average temperature in Fortuna, United States is a comfortable 13°C (56°F). Expect a minimum of 5°C (42°F) and a pleasant maximum of 26°C (79°F). With 49 mm (1.9 in) of precipitation spread over 5 days, you may want to carry an umbrella. Additionally, the average humidity sits at a moderate 72%, adding a touch of moisture to the air.

October Temperature in Fortuna

In October, in Fortuna, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F), and minimums can be as low as 5°C (42°F). Be prepared for a range of temperatures and pack accordingly for your travels!

October Weather in Fortuna: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Fortuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fortuna, October typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 5°C (42°F).

Data source: Temperature data for Fortuna generated using information from the Copernicus Climate Change Service.

October Precipitation in Fortuna

In Fortuna in October, the precipitation amount is 49 mm (1.9 in) spread over a period of 5 days.

October Precipitation Trends in Fortuna

The chart displays monthly precipitation patterns in Fortuna, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Fortuna, October typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Fortuna

In Fortuna in October, humidity is 72%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and reminding travelers to stay hydrated and seek shade whenever possible.

October Average Humidity in Fortuna

This chart illustrates the average monthly humidity levels in Fortuna, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Fortuna is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Fortuna

In Fortuna in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Fortuna, you can refer to this Hourly UV Index in Fortuna.

Maximum UV Index Levels in Fortuna for October

The chart shows the monthly maximum UV Index (UVI) for Fortuna in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Fortuna typically reaches 6, which falls under the high exposure category.

Data source: Fortuna October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Fortuna Compares to Other Months

Weather in Fortuna varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Fortuna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Fortuna, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	205 mm (8.1 inches)	86%	moderate
February Weather	8°C (47°F)	188 mm (7.4 inches)	85%	moderate
March Weather	9°C (48°F)	164 mm (6.5 inches)	85%	high
April Weather	10°C (51°F)	93 mm (3.7 inches)	82%	very high
May Weather	12°C (53°F)	61 mm (2.4 inches)	81%	very high
June Weather	14°C (57°F)	17 mm (0.7 inches)	79%	extreme
July Weather	15°C (59°F)	2 mm (0.1 inches)	70%	very high
August Weather	16°C (61°F)	2 mm (0.1 inches)	60%	very high
September Weather	16°C (61°F)	20 mm (0.8 inches)	62%	very high
October Weather	13°C (56°F)	49 mm (1.9 inches)	72%	high
November Weather	11°C (51°F)	112 mm (4.4 inches)	87%	moderate
December Weather	9°C (48°F)	150 mm (5.9 inches)	86%	low