Arcata, CA Weather


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The most pleasant months of the year for Arcata are September, August and July. In Arcata, there are 0 comfortable months with high temperatures in the range of 70-85°. September is the hottest month for Arcata with an average high temperature of 65.7°, which ranks it as one of the coolest places in California. February is the snowiest month in Arcata with 0.3 inches of snow, and no months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Arcata, CA

6 PM PST

Mostly Clear

53°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightMostly Clear39° / 58°N 6 to 14 mph
Wednesday NightPartly Cloudy then Slight Chance Rain Showers43° / 57°NE 2 to 15 mph
Thursday NightMostly Cloudy45° / 60°N 2 to 6 mph
Friday NightRain Showers45° / 53°WSW 7 to 12 mph
Saturday NightChance Rain Showers42° / 56°N 8 to 14 mph
Sunday NightChance Rain Showers44° / 56°ESE 7 to 12 mph
Monday NightChance Rain Showers43° / 56°NNW 7 to 12 mph

Weather Highlights

Summer High: the July high is around 65 degrees
Winter Low: the January low is 41
Rain: averages 46 inches of rain a year
Snow: averages 1 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Arcata area is 8.6 (10=best), which means it is more comfortable than most places in California.

8.6 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January56° 41°
February56° 41°
March57° 42°
April58° 44°
May61° 47°
June63° 50°
July65° 52°
August66° 52°
September66° 50°
October64° 47°
November58° 43°
December55° 40°
Hot, Freezing, Rainy, Snowy Days: Arcata
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03170
February02150
March01160
April00130
May0090
June0050
July0020
August0030
September0040
October0080
November01150
December03170

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Arcata
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Pros: Nature hikes Cons: One of highest crime rates in the nation. Opioid epidemic going on (you’ll regularly witness drug deals and ppl doing drugs) No  More

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It takes a special set of preferences to select Arcata. Is this you? - You love clouds and fog. You are happy if you see the sun maybe 10-20 times a year. - Chilly  More

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Over 10 years ago

I've lived in Humboldt for over 30 yrs and know all the areas well. Arcata is the jewel of Humboldt due to having a university and many liberal creative people. There is  More

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