McKinleyville (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit McKinleyville.
Climate overview of McKinleyville
The climate in McKinleyville, California, United States of America, is remarkably consistent, with temperatures year-round averaging 15°C (59°F). The warmest month is September at 19°C (66°F), and the coolest is December at 12°C (54°F).
The city has a wet climate, receiving around 1213 mm (48 in) of rainfall per year. Despite the high annual total, it has a distinct dry season from June to September. December is the wettest month.
McKinleyville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in McKinleyville - and find the best time to visit.
Monthly Temperature in McKinleyville
In McKinleyville temperatures are generally consistent throughout the year. On average, daytime temperatures range from a pleasant 19°C (66°F) in September to a moderate 12°C (54°F) in December.
Nighttime temperatures range from 11°C (52°F) in September to 4°C (39°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in McKinleyville
McKinleyville experiences significant rainfall throughout the year, averaging 1213 mm (48 in) of precipitation annually. The seasons in McKinleyville bring significant changes in precipitation. The wettest month, December, receives heavy rainfall, with an average of 237 mm (9.3 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, August, experiences much less rainfall, totaling 3.8 mm (0.1 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our McKinleyville 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 McKinleyville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July, August, September and October
- 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 June to September
Frequently asked questions about the climate in McKinleyville
What is the best time to visit McKinleyville?
July and August typically offer the most optimal weather in McKinleyville. In contrast, January, February, March and December tend to have less optimal conditions. McKinleyville has a distinct dry season from June to September.
What temperatures can I expect in McKinleyville?
Daytime highs range from 12°C (54°F) in December to 19°C (66°F) in September. Nighttime lows range from 4°C (39°F) to 11°C (52°F). Temperatures stay relatively stable year-round.
How much rain does McKinleyville get?
Annual rainfall is around 1213 mm (48 in). December is the wettest month with 237 mm (9.3 in), while August is the driest with 3.8 mm (0.1 in).
McKinleyville 3-Day Forecast
McKinleyville (CA) 3-Day Forecast
McKinleyville on the map
McKinleyville is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.