The best times to visit Mckinleyville for ideal weather are
May 28th to October 14th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Mckinleyville Travel Guide
Other Mckinleyville Travel Info
Weather in Mckinleyville
Temperature
Average temperatures in Mckinleyville vary little. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 30th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Mckinleyville, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 68°F (20°C) with temperatures rarely dropping below 49.6°F (9.8°C) at night.
Mckinleyville Temperatures (Fahrenheit)
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Mckinleyville Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Mckinleyville Perceived Temperature (F)
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Mckinleyville Perceived Temperature (C)
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Average Mckinleyville Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 55.8 | 45.9 | 38.3 |
| Feb | 55.5 | 46.9 | 39.6 |
| Mar | 55.8 | 47.9 | 40.9 |
| Apr | 56.6 | 48.5 | 41.1 |
| May | 59 | 51.5 | 44.9 |
| Jun | 62 | 54.2 | 47.9 |
| Jul | 62.8 | 55.8 | 50.8 |
| Aug | 64.1 | 56.6 | 51.1 |
| Sep | 65.3 | 55.6 | 48.2 |
| Oct | 63.6 | 53.7 | 46.4 |
| Nov | 59.1 | 49.8 | 42.2 |
| Dec | 54.4 | 46 | 38.8 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 13.2 | 7.7 | 3.5 |
| Feb | 13.1 | 8.3 | 4.2 |
| Mar | 13.2 | 8.8 | 4.9 |
| Apr | 13.7 | 9.2 | 5.1 |
| May | 15 | 10.8 | 7.2 |
| Jun | 16.7 | 12.3 | 8.8 |
| Jul | 17.1 | 13.2 | 10.4 |
| Aug | 17.8 | 13.7 | 10.6 |
| Sep | 18.5 | 13.1 | 9 |
| Oct | 17.6 | 12.1 | 8 |
| Nov | 15.1 | 9.9 | 5.7 |
| Dec | 12.4 | 7.8 | 3.8 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Mckinleyville are August, July, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid June. For example, on the week of June 11th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 4 days of significant precipitation the week of December 17th.
When can you find snow in Mckinleyville? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Mckinleyville.
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Snow on the Ground
The graph below shows the average snow on the ground in Mckinleyville (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 26% | 0 | 4.9 |
| Feb | 35% | 0 | 5.8 |
| Mar | 42% | 0 | 7.1 |
| Apr | 27% | 0 | 3.9 |
| May | 13% | 0 | 1.6 |
| Jun | 8% | 0 | 1.2 |
| Jul | 2% | 0 | 0.3 |
| Aug | 1% | 0 | 0.2 |
| Sep | 7% | 0 | 1.4 |
| Oct | 16% | 0 | 3.4 |
| Nov | 31% | 0 | 4.8 |
| Dec | 44% | 0 | 8.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 26 | 0 | 12.4 |
| Feb | 35 | 0 | 14.7 |
| Mar | 42 | 0 | 18 |
| Apr | 27 | 0 | 9.9 |
| May | 13 | 0 | 4.1 |
| Jun | 8 | 0 | 3 |
| Jul | 2 | 0 | 0.8 |
| Aug | 1 | 0 | 0.5 |
| Sep | 7 | 0 | 3.6 |
| Oct | 16 | 0 | 8.6 |
| Nov | 31 | 0 | 12.2 |
| Dec | 44 | 0 | 22.4 |
Humidity and Wind
Mckinleyville has some extremely humid months, and high humidity throughout the year. The least humid month is April (76.4% relative humidity), and the most humid month is August (84.7%).
Wind in Mckinleyville is usually calm. The windiest month is April, followed by March and May. April’s average wind speed of around 5.5 knots (6.4 MPH or 10.2 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid June where average top sustained speeds reach 15.8 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Mckinleyville.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 3.8 | Barely noticeable | 9.9 | Gentle breeze |
| Feb | 4.9 | Light breeze | 12.5 | Significant breeze |
| Mar | 5.5 | Light breeze | 13.8 | Gentle breeze |
| Apr | 5.5 | Light breeze | 13.8 | Significant breeze |
| May | 5.5 | Light breeze | 13.9 | Gentle breeze |
| Jun | 5.5 | Light breeze | 14 | Significant breeze |
| Jul | 4.4 | Light breeze | 11.7 | Gentle breeze |
| Aug | 4 | Light breeze | 11 | Significant breeze |
| Sep | 3.7 | Barely noticeable | 10.6 | Gentle breeze |
| Oct | 3.8 | Barely noticeable | 10.9 | Gentle breeze |
| Nov | 4 | Light breeze | 10.2 | Gentle breeze |
| Dec | 4.9 | Light breeze | 11.6 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 78.1% |
| Feb | 77.5% |
| Mar | 77.7% |
| Apr | 76.4% |
| May | 78.2% |
| Jun | 79.8% |
| Jul | 83.8% |
| Aug | 84.7% |
| Sep | 81.8% |
| Oct | 79.6% |
| Nov | 78.6% |
| Dec | 77.3% |
Is it Safe to Travel to Mckinleyville?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Mckinleyville, CA, US is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Mckinleyville in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Mckinleyville Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 60.6°F (15.9°C) and 55°F (12.8°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 13 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see the least precipitation with 0 to 2 days of precipitation per month. June – August is the busiest season for tourism in Mckinleyville, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 66.4°F (19.1°C) and 57.5°F (14.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 2 to 9 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in Mckinleyville to be enjoyable for warm weather travelers. The average high during this season is between 56.8°F (13.8°C) and 53.2°F (11.8°C). On average, it rains or snows a great amount: 8 to 14 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› the United States › Mckinleyville, CA, US