Best Time to Drive: Crescent City, CA to San Jose, CA

The best overall window to drive from Crescent City, CA to San Jose, CA is May to September. June 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 September

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 March

February 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 September, 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 37°F
Feb
Difficult 38°F
Mar
Difficult 40°F
Apr
Good 42°F
May
Great 45°F
Jun
Great 48°F
Jul
Great 51°F
Aug
Great 51°F
Sep
Great 49°F
Oct
Good 45°F
Nov
Difficult 40°F
Dec
Difficult 36°F
Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 43 / 31°F
Moisture 7.7 in rain
Rating Difficult

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.

February

Avg high / low 45 / 32°F
Moisture 6.7 in rain
Rating Difficult

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.

March

Avg high / low 47 / 33°F
Moisture 6.3 in rain
Rating Difficult

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.

April

Avg high / low 49 / 34°F
Moisture 3.5 in rain
Rating Good

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.

May

Avg high / low 53 / 37°F
Moisture 1.7 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 57 / 40°F
Moisture 0.7 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.

July

Avg high / low 60 / 42°F
Moisture 0.1 in rain
Rating Great

Best departure

8 AM to 11 AM

Holiday traffic

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

Rain disruption is usually limited compared with wetter months.

August

Avg high / low 60 / 42°F
Moisture 0.1 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.

September

Avg high / low 59 / 40°F
Moisture 0.5 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.

October

Avg high / low 54 / 37°F
Moisture 2.6 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.

November

Avg high / low 47 / 33°F
Moisture 5.1 in rain
Rating Difficult

Best departure

7 AM to 10 AM

Storm-prone 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 43 / 30°F
Moisture 8.8 in rain
Rating Difficult

Best departure

7 AM to 10 AM

Storm-prone 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.

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

8 AM to 11 AM

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

Winter

7 AM to 10 AM

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

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

Pacific Coast

Destination zone

Pacific Coast

Route sample points

Late route

Late route checkpoint

CA CRESCENT CITY MCNAMARA AP (2.7 mi away)

Late route

Late route checkpoint

CA MIRANDA 4.1 SW (7.6 mi away)

Late route

Late route checkpoint

CA UKIAH MUNI AP (0.9 mi away)

Destination

San Jose, CA

CA SAN JOSE (2.1 mi away)

Ready to plan? See the full trip plan from Crescent City, CA to San Jose, CA with stops, fuel costs, and directions.

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