Which is the hottest month in Hilton Head Island?

The hottest time of year in Hilton Head Island is normally July. Expect maximum daytime temperatures to reach 33°C with very high heat and humidity.

Which month has the most rain in Hilton Head Island?

In terms of rainfall, July is usually the wettest month in Hilton Head Island with 136mm on average. There are normally 11 days in July with some rain.

When is it sunniest in Hilton Head Island?

The sunniest time of year in Hilton Head Island is normally April with bright sunshine on average for 69% of daylight hours; that's 9 hours of sunshine per day.

Best time to visit Hilton Head Island

The best times to visit Hilton Head Island, South Carolina are in April and May based on our default weather conditions. Update your weather preferences to see which months best match.

Hilton Head Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Carolina

Virgin Holidays: £100 off Walt Disney World resort

Discount Code

Save £100 per room at Walt Disney World Resort 2026 stays
Enjoy 14 day park tickets for the price of 7. Use promo code
Travel between 7th Jan & 19th Dec 2026 (inclusive)

Show discount code

******ING

Redeem Virgin Holidays discount code >>

Expires at 23:59 on Wednesday 5th Nov 2025 · View all Virgin Holidays offers

When is the best time to visit Hilton Head Island?

The best times to visit Hilton Head Island, South Carolina are in April and May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

2
Jan
2
Feb
4
Mar
5
Apr
5
May
4
Jun
3.5
Jul
4
Aug
4
Sep
4.5
Oct
4
Nov
2
Dec

Change criteria

Max Day Temperature (°C)

14
Jan
16
Feb
20
Mar
24
Apr
28
May
31
Jun
32
Jul
31
Aug
29
Sep
25
Oct
20
Nov
16
Dec

Hours of Sunshine (daily)

6
Jan
7
Feb
8
Mar
9
Apr
9
May
9
Jun
9
Jul
8
Aug
7
Sep
7
Oct
6
Nov
6
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for South Carolina (Hilton Head Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)