Best Time to Drive: Myrtle Beach, SC to Dunean, SC

The best overall window to drive from Myrtle Beach, SC to Dunean, SC is May. April is especially comfortable, and 8 AM to 11 AM is usually the easiest departure window. The main things to watch are heavy rain and ponding.

Best overall window

May

This stretch gives the steadiest mix of comfort, daylight, and lower weather friction.

Easiest departure pattern

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

Most challenging stretch

January to February

November is one of the harder months for this route because the weather friction stacks up faster.

Why This Route Scores Differently

You can usually do this in one long day, which makes daylight and storm timing more important than hotel planning.

The current best window is May, when the drive is more likely to feel steady end to end.

This score uses multiple NOAA sample points along the route instead of a single state-wide climate average.

Month-by-Month Driving Conditions

Jan

Challenging 32°F

Feb

Challenging 35°F

Mar

Fair 39°F

Apr

Good 45°F

May

Great 50°F

Jun

Fair 54°F

Jul

Fair 56°F

Aug

Good 55°F

Sep

Good 51°F

Oct

Fair 45°F

Nov

Challenging 38°F

Dec

Challenging 33°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 40 / 24°F

Moisture 3.8 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

February

Avg high / low 43 / 26°F

Moisture 3.5 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

March

Avg high / low 48 / 31°F

Moisture 4 in rain

Rating Fair

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

April

Avg high / low 54 / 36°F

Moisture 3.1 in rain

Rating Good

Best departure

8 AM to 11 AM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

May

Avg high / low 58 / 41°F

Moisture 3.6 in rain

Rating Great

Best departure

8 AM to 11 AM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

June

Avg high / low 62 / 46°F

Moisture 5.6 in rain

Rating Fair

Best departure

7 AM to 10 AM

Storm-prone Patchy fog

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain is common enough that extra buffer time makes sense.

July

Avg high / low 64 / 48°F

Moisture 5.9 in rain

Rating Fair

Best departure

7 AM to 10 AM

Storm-prone Patchy fog Holiday traffic

Daytime temperatures usually stay in a comfortable driving range.

Rain is common enough that extra buffer time makes sense.

August

Avg high / low 63 / 47°F

Moisture 5.6 in rain

Rating Good

Best departure

7 AM to 10 AM

Storm-prone Patchy fog

Daytime temperatures usually stay in a comfortable driving range.

Rain is common enough that extra buffer time makes sense.

September

Avg high / low 59 / 44°F

Moisture 4.9 in rain

Rating Good

Best departure

8 AM to 11 AM

Wet stretches Patchy fog

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

October

Avg high / low 53 / 36°F

Moisture 3.6 in rain

Rating Fair

Best departure

8 AM to 11 AM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

November

Avg high / low 46 / 29°F

Moisture 3 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

December

Avg high / low 41 / 26°F

Moisture 3.8 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

Seasonal Hazards on This Route

Heavy rain and ponding

Jun - Aug

Short intense downpours can make a same-day drive feel longer than the raw route time suggests.

Morning visibility dips

Jun - Sep

Cooler humid mornings can start with patchy fog, so it can be worth waiting a bit before leaving.

Tropical weather window

Jun - Nov

Track tropical systems and leftover Gulf moisture closely, especially if your travel day is not flexible.

Best Departure Time by Season

Spring

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

Summer

7 AM to 10 AM

A morning departure gives you more room to adjust if rain slows the drive down.

Fall

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

Winter

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

How This Score Was Built

Source

Route-sampled NOAA climate normals

High confidence. Built from 3 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Southeast

Destination zone

Southeast

Route sample points

Late route

Late route checkpoint

SC NWS CHARLESTON SC (85.7 mi away)

Late route

Late route checkpoint

SC COLUMBIA UNIV OF SC (39.7 mi away)

Destination

Dunean, SC

SC COLUMBIA UNIV OF SC (98.2 mi away)

Ready to plan? See the full trip plan from Myrtle Beach, SC to Dunean, SC with stops, fuel costs, and directions.

Considering flying instead? Compare driving vs flying for this route.