Best Time to Drive: Ketchikan, AK to Fairbanks, AK

The best overall window to drive from Ketchikan, AK to Fairbanks, AK is May to July. May 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 to July

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

September to December

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

Why This Route Scores Differently

This route is long enough that weather comfort across the whole day matters more than just departure conditions.

The current best window is May to July, 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

Difficult 12°F

Feb

Challenging 17°F

Mar

Challenging 23°F

Apr

Fair 36°F

May

Great 48°F

Jun

Excellent 56°F

Jul

Great 59°F

Aug

Good 56°F

Sep

Challenging 47°F

Oct

Difficult 34°F

Nov

Difficult 19°F

Dec

Difficult 14°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 18 / 5°F

Moisture 5 in rain

Rating Difficult

Best departure

9 AM to 12 PM

Wet stretches Winter mix risk

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 26 / 9°F

Moisture 3.3 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk

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 33 / 13°F

Moisture 3.6 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk

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 46 / 26°F

Moisture 2.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Winter mix risk

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 59 / 37°F

Moisture 2.4 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.

Rain disruption is usually limited compared with wetter months.

June

Avg high / low 66 / 46°F

Moisture 2.8 in rain

Rating Excellent

Best departure

8 AM to 11 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Weather is mixed enough that departure timing still matters.

July

Avg high / low 68 / 50°F

Moisture 3.7 in rain

Rating Great

Best departure

8 AM to 11 AM

Holiday traffic

Daytime temperatures usually stay in a comfortable driving range.

Weather is mixed enough that departure timing still matters.

August

Avg high / low 64 / 47°F

Moisture 5.1 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 55 / 39°F

Moisture 6.2 in rain

Rating Challenging

Best departure

7 AM to 10 AM

Storm-prone

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

Rain is common enough that extra buffer time makes sense.

October

Avg high / low 40 / 27°F

Moisture 5.7 in rain

Rating Difficult

Best departure

7 AM to 10 AM

Storm-prone Winter mix risk

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

Rain is common enough that extra buffer time makes sense.

November

Avg high / low 26 / 13°F

Moisture 5.5 in rain

Rating Difficult

Best departure

7 AM to 10 AM

Storm-prone Winter mix risk Holiday traffic

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

Rain is common enough that extra buffer time makes sense.

December

Avg high / low 20 / 8°F

Moisture 5.5 in rain

Rating Difficult

Best departure

7 AM to 10 AM

Storm-prone Winter mix risk Holiday traffic

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

Rain is common enough that extra buffer time makes sense.

Seasonal Hazards on This Route

Heavy rain and ponding

Jan - Dec

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

Winter mix risk

Jan - Dec

Even light snow or freezing precipitation can matter more than usual when this route turns into a same-day commitment.

Best Departure Time by Season

Spring

9 AM to 12 PM

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

Summer

8 AM to 11 AM

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

Fall

7 AM to 10 AM

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

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 4 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Alaska

Destination zone

Alaska

Route sample points

Late route

Late route checkpoint

AK BEAVER FALLS (2.2 mi away)

Late route

Late route checkpoint

AK ANDERSON LAKE (4.9 mi away)

Late route

Late route checkpoint

AK CANTWELL 2 E (2.2 mi away)

Destination

Fairbanks, AK

AK AURORA (1.2 mi away)

Ready to plan? See the full trip plan from Ketchikan, AK to Fairbanks, AK with stops, fuel costs, and directions.

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