The best times to visit Hilton Head for ideal weather are
March 5th to May 27th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Hilton Head Travel Guide
Other Hilton Head Travel Info
Weather in Hilton Head
Average temperatures in Hilton Head 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 fair chance of precipitation about half of the year. The area is less temperate than some — in the 32nd 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 Hilton Head, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 93.4°F (34.1°C) with temperatures rarely dropping below 75.1°F (23.9°C) at night.
Hilton Head Temperatures (Fahrenheit)
Hilton Head 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.
Hilton Head Perceived Temperature (F)
Hilton Head Perceived Temperature (C)
Average Hilton Head 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 Hilton Head are November, October, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early November. For example, on the week of November 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late August with an average of 2 days of significant precipitation the week of August 20th.
When can you find snow in Hilton Head? 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 Hilton Head.
Snow on the Ground
The graph below shows the average snow on the ground in Hilton Head (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
Hilton Head has some high humidity months, with other comfortably humid months. The least humid month is February (57.1% relative humidity), and the most humid month is August (69.9%).
Wind in Hilton Head 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 13.8 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Hilton Head.
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||11.6||Significant breeze|
|Feb||6||Light breeze||12.4||Significant breeze|
|Mar||6.4||Light breeze||13.1||Significant breeze|
|Apr||6.1||Light breeze||12.5||Significant breeze|
|May||5.6||Light breeze||11.4||Significant breeze|
|Jun||4.9||Light breeze||11.3||Significant breeze|
|Jul||4.8||Light breeze||11.5||Significant breeze|
|Aug||4.4||Light breeze||10.6||Gentle breeze|
|Sep||4.8||Light breeze||10||Significant breeze|
|Oct||4.9||Light breeze||10.2||Gentle breeze|
|Nov||5.3||Light breeze||10.4||Significant breeze|
|Dec||5.2||Light breeze||10.8||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Hilton Head?
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 Hilton Head, SC, US is July, followed by March 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 Hilton Head 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 Hilton Head Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.9°F (31.1°C) and 64.4°F (18°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 6 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 most precipitation with 7 to 9 days of precipitation per month. June – August is the busiest season for tourism in Hilton Head, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 89.2°F (31.8°C) and 66.6°F (19.2°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 5 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 Hilton Head to be enjoyable for warm weather travelers. The average high during this season is between 66.3°F (19.1°C) and 60°F (15.6°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are fairly slow with tourists.