Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Valdez has a cool climate with an average annual temperature of 40°F (4°C). Winters average 24°F in January while summers reach 57°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 67.9 inches (wetter than the 38-inch national average). The area receives 325.3 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 21 / among the cleanest air in the country.
Temperature
24°F Jan (-5°C)57°F Jul (14°C)
Annual Average
39.7°F
26% below US avg
January Average
24°F (-5°C)
July Average
57°F (14°C)
Sunny Days
166 days/yr
Geography
Area
212.9 sq mi (551.4 km²)
Population Density
18/sq mi
Coordinates
61.0836°N, 146.3172°W
Timezone
America/Anchorage
County
Chugach Census Area County
Nearest Airport
Ted Stevens Anchorage International (ANC) 123 miles away
Precipitation & Snow
Annual Rainfall67.9"
79% above US avg
Snowfall325.3"
Wettest Month (Sep)4.49"
Driest Month (Apr)1.85"
Air Quality
AQI Median
21.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
19.6 / 100
Social Vulnerability
10.6 / 100
Community Resilience
24.1 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Very Low
Hail
Very Low
Strong Wind
No Rating
Winter Weather
Relatively Low
Lightning
Very Low
Ice Storm
Very Low
Drought
No Rating
Cold Wave
Relatively Low
Landslide
Relatively Moderate
Coastal Flood
Very Low
Tsunami
Very Low
Volcano
No Rating
Avalanche
Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,075 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.4.
Mar 1, 2000
40 km S of Cordova, Alaska
M5.4
102 km
10 km
Jun 6, 1995
48 km SW of Cordova, Alaska
M5.3
92 km
15 km
May 13, 1993
9 km ESE of Eureka Roadhouse, Alaska
M5.1
98 km
50 km
Aug 25, 2004
48 km SSE of Nelchina, Alaska
M5.1
56 km
40 km
Feb 17, 1995
4 km N of Chickaloon, Alaska
M5.0
141 km
9 km
Feb 27, 2000
39 km SSW of Cordova, Alaska
M5.0
100 km
18 km
Jan 25, 2021
36 km SSW of Cordova, Alaska
M4.9
97 km
2 km
Feb 25, 2002
42 km SW of Tatitlek, Alaska
M4.9
73 km
5 km
Aug 9, 2012
41 km NE of Chenega, Alaska
M4.8
105 km
1 km
Sep 24, 2022
Southern Alaska
M4.8
60 km
41 km
Apr 6, 2005
37 km NNW of Valdez, Alaska
M4.8
43 km
17 km
Jun 20, 2010
11 km SW of Tatitlek, Alaska
M4.8
43 km
11 km
Jul 27, 1995
Southern Alaska
M4.8
45 km
29 km
Jan 13, 2005
49 km NNE of Chenega, Alaska
M4.7
97 km
23 km
Jan 10, 1998
55 km S of Glacier View, Alaska
M4.7
77 km
34 km
Oct 18, 1996
47 km SSE of Nelchina, Alaska
M4.7
59 km
40 km
Dec 25, 2012
Southern Alaska
M4.7
65 km
37 km
Aug 18, 1998
35 km E of Knik River, Alaska
M4.7
113 km
12 km
Sep 21, 1990
6 km NNW of Chickaloon, Alaska
M4.6
144 km
56 km
Jun 25, 2010
10 km NNW of Glacier View, Alaska
M4.6
117 km
34 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
Highest wave on record: 51.8 m (170 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1964
PRINCE WILLIAM SOUND, AK
Eruption + Earthquake
51.8 m
139
58 km
1925
GULF OF ALASKA, AK
Eruption + Earthquake
1.4 m
—
122 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Wrangell (159 km).
Name
Type
Elevation
Last Eruption
Distance
Wrangell
Shield
4,278 m (14,035 ft)
1912
159 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: TOKAINA 2 (14,741 acres, 2019).
Year
Name
Acres Burned
Distance
2019
TOKAINA 2
14,741
88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-5°C)
2.4 in
February
19°F (-7°C)
2.2 in
March
22°F (-5°C)
2.1 in
April
31°F (-1°C)
1.9 in
Driest
May
40°F (4°C)
2.2 in
June
48°F (9°C)
3.0 in
July
57°F (14°C)
3.2 in
Warmest
August
52°F (11°C)
3.7 in
September
44°F (7°C)
4.5 in
Wettest
October
32°F (0°C)
4.3 in
November
21°F (-6°C)
3.0 in
December
17°F (-8°C)
3.1 in
Coldest
Valdez has a seasonal temperature swing of 39°F / from 17°F in December to 57°F in July. Total annual precipitation is 35.5 inches, with September being the wettest month (4.5") and April the driest (1.9").