The best times to visit Junction City for ideal weather are

May 7th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Junction City Travel Info

Weather in Junction City


Average temperatures in Junction City vary greatly. 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 26th 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 Junction City, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 88.2°F (31.2°C) with temperatures rarely dropping below 52.7°F (11.5°C) at night.

Junction City Temperatures (Fahrenheit)


Junction City Temperatures (Celsius)


“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.

Junction City Perceived Temperature (F)


Junction City Perceived Temperature (C)



Average Junction City 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 48.9 39.9 32.6
Feb 53 42.6 34.1
Mar 58.2 46.2 36.4
Apr 62.4 49 37.7
May 69.5 55.1 42.2
Jun 76.1 60.7 46.4
Jul 86.6 67.9 50.9
Aug 86.1 67.5 51.4
Sep 80.2 62.3 47.4
Oct 66.8 53.2 42.3
Nov 54.9 45 36.9
Dec 48 39.9 33

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.4 4.4 0.3
Feb 11.7 5.9 1.2
Mar 14.6 7.9 2.4
Apr 16.9 9.4 3.2
May 20.8 12.8 5.7
Jun 24.5 15.9 8
Jul 30.3 19.9 10.5
Aug 30.1 19.7 10.8
Sep 26.8 16.8 8.6
Oct 19.3 11.8 5.7
Nov 12.7 7.2 2.7
Dec 8.9 4.4 0.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Junction City are August, July, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early July. For example, on the week of July 2nd 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 Junction City? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Junction City is often around around February 5th when fresh powder is deepest. 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 Junction City.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Junction City (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 28% 0 4.1
Feb 35% 4.7 4.2
Mar 37% 2.8 5
Apr 28% 0 2.5
May 21% 0 2.1
Jun 11% 0 1.2
Jul 4% 0 0.5
Aug 3% 0 0.3
Sep 12% 0 1.4
Oct 22% 0 3.1
Nov 38% 1.2 4.9
Dec 42% 1.8 6.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 28 0 10.4
Feb 35 11.9 10.7
Mar 37 7.1 12.7
Apr 28 0 6.4
May 21 0 5.3
Jun 11 0 3
Jul 4 0 1.3
Aug 3 0 0.8
Sep 12 0 3.6
Oct 22 0 7.9
Nov 38 3 12.4
Dec 42 4.6 16.5


Humidity and Wind

Junction City has some extremely humid months, with other moderately humid months on the other side of the year. The least humid month is July (48.6% relative humidity), and the most humid month is January (84.1%).

Wind in Junction City is usually calm. The windiest month is March, followed by July and December. March’s average wind speed of around 6.2 knots (7.1 MPH or 11.5 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 late March where average top sustained speeds reach 14.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Junction City.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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 4.9 Light breeze 10.8 Gentle breeze
Feb 5.5 Light breeze 11.9 Significant breeze
Mar 6.2 Light breeze 13.3 Gentle breeze
Apr 5.7 Light breeze 12.9 Significant breeze
May 5.2 Light breeze 11.9 Gentle breeze
Jun 5.3 Light breeze 12.2 Significant breeze
Jul 6.1 Light breeze 13.2 Gentle breeze
Aug 5.6 Light breeze 12.6 Significant breeze
Sep 5.4 Light breeze 12.8 Gentle breeze
Oct 4.9 Light breeze 11.4 Significant breeze
Nov 5.5 Light breeze 11.4 Gentle breeze
Dec 5.9 Light breeze 12.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 84.1%
Feb 79.1%
Mar 73%
Apr 67.7%
May 64.1%
Jun 59%
Jul 48.6%
Aug 50.2%
Sep 55.7%
Oct 72.5%
Nov 81.5%
Dec 83.4%


Is it Safe to Travel to Junction City?

Our best data indicates this area is generally safe. As of Oct 07, 2019 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 Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Junction City, OR, US is August, followed by July and June. 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 Junction City 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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 55.1 in December means 55.1% of the tourists vs. August.



Overall Junction City Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.2°F (22.9°C) and 54.2°F (12.3°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 11 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 very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 1 to 3 days of precipitation per month. June – August is the busiest season for tourism in Junction City, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 83.9°F (28.8°C) and 51°F (10.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 11 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 Junction City to be enjoyable for warm weather travelers. The average high during this season is between 55.4°F (13°C) and 46.2°F (7.9°C). On average, it rains or snows a great amount: 9 to 13 times per month. These times of year are fairly slow with tourists.


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