The best times to visit Simpsonville for ideal weather are
April 2nd to June 10th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Simpsonville Travel Guide
Other Simpsonville Travel Info
Weather in Simpsonville
Average temperatures in Simpsonville vary greatly. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 24th 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 Simpsonville, 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 91.6°F (33.1°C) with temperatures rarely dropping below 71.8°F (22.1°C) at night.
Simpsonville Temperatures (Fahrenheit)
Simpsonville 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.
Simpsonville Perceived Temperature (F)
Simpsonville Perceived Temperature (C)
Average Simpsonville 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 Simpsonville are September, October, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early September. For example, on the week of September 3rd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 2 days of significant precipitation the week of December 24th.
When can you find snow in Simpsonville? 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 Simpsonville.
Snow on the Ground
The graph below shows the average snow on the ground in Simpsonville (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
Simpsonville has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is February (43.2% relative humidity), and the most humid month is September (58%).
Wind in Simpsonville is usually calm. The windiest month is March, followed by April and February. March’s average wind speed of around 6.4 knots (7.3 MPH or 11.8 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 February and early March where average top sustained speeds reach 13.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Simpsonville.
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||5.7||Light breeze||12.3||Significant breeze|
|Feb||6||Light breeze||12.8||Significant breeze|
|Mar||6.4||Light breeze||13||Significant breeze|
|Apr||6.4||Light breeze||13.3||Significant breeze|
|May||5.7||Light breeze||12||Significant breeze|
|Jun||5.1||Light breeze||12.1||Significant breeze|
|Jul||5.1||Light breeze||11.6||Significant breeze|
|Aug||4.8||Light breeze||10.9||Gentle breeze|
|Sep||5.3||Light breeze||10.6||Significant breeze|
|Oct||5.4||Light breeze||11.1||Significant breeze|
|Nov||5.2||Light breeze||11.2||Significant breeze|
|Dec||5.1||Light breeze||11.3||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Simpsonville?
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 Simpsonville, SC, US is October, followed by February and July. 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 Simpsonville 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 Simpsonville Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 85.8°F (29.9°C) and 58.9°F (14.9°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 days of significant precipitation per month. Spring is the slowest 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 the most precipitation with 7 to 8 days of precipitation per month. June – August is fairly slow season for tourism in Simpsonville, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 87.4°F (30.8°C) and 59.4°F (15.2°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 5 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Winter (December through February)
Weather is too cold this time of year in Simpsonville to be enjoyable for warm weather travelers. The average high during this season is between 59.3°F (15.2°C) and 51.9°F (11.1°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are the second busiest with tourists.