Best Time to Drive: Lake Oswego, OR to Dallas, OR

The best time to drive from Lake Oswego, OR to Dallas, OR is August, July, when temperatures are comfortable and weather conditions are most predictable. January tends to be less ideal due to weather or daylight conditions.

Best month

August

Also great

July

Also great

June

Month-by-Month Driving Conditions

Jan

Challenging 42°F

Feb

Challenging 44°F

Mar

Fair 48°F

Apr

Good 53°F

May

Excellent 59°F

Jun

Excellent 64°F

Jul

Excellent 70°F

Aug

Excellent 71°F

Sep

Excellent 65°F

Oct

Great 56°F

Nov

Challenging 47°F

Dec

Difficult 42°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg temp 42°F

Rainy days ~5

Rating Challenging

February

Avg temp 44°F

Rainy days ~3.7

Rating Challenging

March

Avg temp 48°F

Rainy days ~4

Rating Fair

April

Avg temp 53°F

Rainy days ~2.9

Rating Good

May

Avg temp 59°F

Rainy days ~2.5

Rating Excellent

June

Avg temp 64°F

Rainy days ~1.6

Rating Excellent

July

Avg temp 70°F

Rainy days ~0.5

Rating Excellent

August

Avg temp 71°F

Rainy days ~0.5

Rating Excellent

September

Avg temp 65°F

Rainy days ~1.5

Rating Excellent

October

Avg temp 56°F

Rainy days ~3.4

Rating Great

November

Avg temp 47°F

Rainy days ~5.5

Rating Challenging

December

Avg temp 42°F

Rainy days ~5.8

Rating Difficult

Climate Context

Lake Oswego, OR

Pacific Coast

Dallas, OR

Pacific Coast

Ready to plan? See the full trip plan from Lake Oswego, OR to Dallas, OR with stops, fuel costs, and directions.

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