The best times to visit St James for ideal weather are
April 23rd to June 10th
August 27th 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.
St James Travel Guide
Other St James Travel Info
Weather in St James
Average temperatures in St James vary drastically. 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 St James, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 92.1°F (33.4°C) with temperatures rarely dropping below 67°F (19.4°C) at night.
St James Temperatures (Fahrenheit)
St James Temperatures (Celsius)
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.
St James Perceived Temperature (F)
St James Perceived Temperature (C)
Average St James 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in St James are January, February, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid June with an average of 3 days of significant precipitation the week of June 11th.
When can you find snow in St James? 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 St James.
Snow on the Ground
The graph below shows the average snow on the ground in St James (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
St James has some high humidity months, with other comfortably humid months. The least humid month is April (54.2% relative humidity), and the most humid month is June (67.1%).
Wind in St James is usually moderate. The windiest month is November, followed by January and April. November’s average wind speed of around 9.1 knots (10.5 MPH or 16.9 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 16.3 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in St James.
The graph below shows wind speed (max and average) in knots.
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||9||Gentle breeze||15.1||Significant breeze|
|Feb||8.9||Gentle breeze||15.5||Significant breeze|
|Mar||8.9||Gentle breeze||15.1||Significant breeze|
|Apr||8.9||Gentle breeze||15.6||Significant breeze|
|May||7.7||Gentle breeze||14.2||Significant breeze|
|Jun||7.2||Gentle breeze||13.3||Significant breeze|
|Jul||6||Light breeze||11.4||Significant breeze|
|Aug||5.7||Light breeze||11.6||Significant breeze|
|Sep||6.4||Light breeze||11.9||Significant breeze|
|Oct||7.5||Gentle breeze||13.3||Significant breeze|
|Nov||9.1||Gentle breeze||15.3||Significant breeze|
|Dec||8.4||Gentle breeze||13.7||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to St James?
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 St James, MO, US is July, followed by August and February. 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 St James in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall St James Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 79.7°F (26.5°C) and 46.4°F (8°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 8 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 5 to 8 days of precipitation per month. June – August is the busiest season for tourism in St James, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 84.3°F (29.1°C) and 50.4°F (10.2°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 6 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 far too cold this time of year in St James to be enjoyable for warm weather travelers. The average high during this season is between 48°F (8.9°C) and 40.9°F (4.9°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are the second busiest with tourists.