Astoria Travel Guide

City Port city at Columbia River mouth

At the Columbia River mouth, Astoria mixes maritime museums, Victorian houses and an active fishing fleet; tourists climb the Astoria Column, catch salmon boat tours and trace maritime history.

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Best Time to Visit Astoria #

Climate

Astoria's climate is classified as Warm-Summer Mediterranean - Warm-Summer Mediterranean climate with mild summers (peaking in August) and cold winters (coldest in January). Temperatures range from 2°C to 22°C. Abundant rainfall (1911 mm/year), wettest in December.

Air Quality: AQI 20 Good
Best Time to Visit
AugustJulySeptember
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-7°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 9°C and lows of 2°C. Heavy rain (282 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

282 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.9h daylight

February

February is cold with highs of 11°C and lows of 3°C. Heavy rain (227 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
11°
89%
Humidity
Very Humid

Weather

227 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.2h daylight

March

March is cold with highs of 12°C and lows of 3°C. Heavy rain (204 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
12°
88%
Humidity
Very Humid

Weather

204 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 14°C and lows of 5°C. Significant rainfall (138 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
14°
86%
Humidity
Very Humid

Weather

138 mm
Rainfall
4.2 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
13.4h daylight

May

May is cool with highs of 16°C and lows of 7°C. Regular rainfall (87 mm) and mostly overcast skies.

62 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
85%
Humidity
Very Humid

Weather

87 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.4
UV Index
High
14.8h daylight

June

June is cool with highs of 18°C and lows of 10°C. Moderate rainfall (68 mm) and partly cloudy skies.

68 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
10° 18°
85%
Humidity
Very Humid

Weather

68 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.6
UV Index
Very High
15.6h daylight

July

July is cool with highs of 21°C and lows of 11°C. Moderate rainfall (34 mm).

80 Excellent

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°
86%
Humidity
Very Humid

Weather

34 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.8
UV Index
Very High
15.2h daylight

August

August is cool with highs of 22°C and lows of 12°C. Moderate rainfall (37 mm) and partly cloudy skies.

86 Excellent

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 22°
87%
Humidity
Very Humid

Weather

37 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.5
UV Index
High
14.0h daylight

September

September is cool with highs of 21°C and lows of 10°C. Moderate rainfall (77 mm) and partly cloudy skies.

72 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 21°
88%
Humidity
Very Humid

Weather

77 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
12.4h daylight

October

October is cool with highs of 17°C and lows of 6°C. Significant rainfall (161 mm) and partly cloudy skies.

60 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
17°
88%
Humidity
Very Humid

Weather

161 mm
Rainfall
3.7 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.7h daylight

November

November is cold with highs of 12°C and lows of 4°C. Heavy rain (293 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
12°
90%
Humidity
Very Humid

Weather

293 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.3h daylight

December

December is cold with highs of 9°C and lows of 2°C. The wettest month with heavy rain (303 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

303 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.5h daylight

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