Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Purty Rock experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 33°F in January while summers reach 72°F in July. The area gets 330 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 11.2 inches (drier than the 38-inch national average). The area receives 10.0 inches of snow annually. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 6,366 feet.
Temperature
33°F Jan (0°C)72°F Jul (22°C)
Annual Average
51.3°F
5% below US avg
January Average
33°F (0°C)
July Average
72°F (22°C)
Sunny Days
330 days/yr
Geography
Elevation
6,366 ft (1,940 m)
Area
1.2 sq mi (3.0 km²)
Population Density
73/sq mi
Coordinates
35.4903°N, 108.8953°W
Timezone
America/Denver
County
McKinley County County
Nearest Airport
Four Corners Regional (FMN) 94 miles away
Precipitation & Snow
Annual Rainfall11.2"
71% below US avg
Snowfall10.0"
Wettest Month (Aug)2.09"
Driest Month (May)0.43"
Air Quality
AQI Median
37.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
78.2 / 100
Social Vulnerability
99.8 / 100
Community Resilience
0.5 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
No Rating
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Relatively Moderate
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Relatively Low
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Very Low
Drought
No Rating
Cold Wave
Relatively Moderate
Landslide
Relatively Moderate
Volcano
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.8.
May 18, 2023
8 km ENE of San Mateo, New Mexico
M3.8
122 km
5 km
Oct 20, 2016
3 km NNW of Seboyeta, New Mexico
M3.5
138 km
5 km
Sep 23, 2009
29 km W of Alamo, New Mexico
M3.4
150 km
5 km
Sep 23, 2019
22 km NNW of Saint Johns, Arizona
M3.1
100 km
5 km
Jul 4, 2021
24 km SW of Lake Valley, New Mexico
M3.1
70 km
5 km
Jun 10, 2020
5 km WNW of Tsaile, Arizona
M2.8
99 km
14 km
Aug 10, 2019
5 km E of Bluewater Village, New Mexico
M2.8
93 km
5 km
Jan 30, 2023
18 km WSW of Pueblo Pintado, New Mexico
M2.7
106 km
5 km
Sep 7, 2014
4 km WSW of Sun Valley, Arizona
M2.6
124 km
5 km
Aug 26, 2024
8 km S of Rough Rock, Arizona
M2.6
129 km
5 km
May 20, 2024
11 km WNW of Ramah, New Mexico
M2.6
45 km
11 km
May 8, 2025
44 km SSW of San Rafael, New Mexico
M2.6
116 km
8 km
Jul 16, 2022
11 km NW of Many Farms, Arizona
M2.5
127 km
5 km
Aug 25, 2024
13 km NNE of Round Rock, Arizona
M2.5
134 km
5 km
Jun 23, 2006
5 km NNW of Seboyeta, New Mexico
M2.5
137 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
7 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF0.
Date
Rating
Distance
Path
Fatalities
Jun 17, 2021
EF0
52 km
0.1 mi
0
May 30, 2019
EF0
91 km
0.4 mi
0
Oct 20, 2015
EF0
81 km
6.9 mi
0
May 22, 2009
EF0
93 km
1.0 mi
0
Jul 25, 2005
EF0
72 km
1.0 mi
0
Sep 9, 2003
EF0
55 km
1.0 mi
0
Oct 17, 1962
EF0
81 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Zuni-Bandera (112 km).
Name
Type
Elevation
Last Eruption
Distance
Zuni-Bandera
Volcanic field
2,550 m (8,366 ft)
-1170
112 km
Red Hill
Volcanic field
2,300 m (7,546 ft)
-9450
138 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: WOOD SPRINGS 2 (13,208 acres, 2020).
Year
Name
Acres Burned
Distance
2020
WOOD SPRINGS 2
13,208
59 km
2014
ASSAYII LAKE
13,176
60 km
2018
DIENER CANYON
9,824
80 km
2004
SEDGWICK
9,241
80 km
2005
LITTLE WATER1
4,342
54 km
2018
BLUE WATER
3,663
78 km
2005
HOOK LAKE
3,609
77 km
2009
SAWMILL ROAD RX
3,411
48 km
2019
REDONDO RX
3,382
72 km
2004
TURKEY SPRING
3,017
74 km
2007
OAK RIDGE 3
2,959
47 km
2004
SANDSPRING
2,935
61 km
1996
ALLENTOWN5
2,653
40 km
2010
FLUTED ROCK LAKE RX
2,630
55 km
2004
BROADCAST BLOCK 1
2,285
94 km
2006
KINLICHEE CANYON 1
2,283
40 km
1996
HDSCRABBLE
2,217
75 km
2018
UNNAMED
1,983
75 km
2005
KINLICHEE
1,949
38 km
1989
HOYA
1,869
97 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
33°F (0°C)
0.8 in
February
33°F (1°C)
0.8 in
March
39°F (4°C)
1.0 in
April
46°F (8°C)
0.6 in
May
55°F (13°C)
0.4 in
Driest
June
65°F (18°C)
0.4 in
July
72°F (22°C)
1.8 in
Warmest
August
68°F (20°C)
2.1 in
Wettest
September
62°F (17°C)
1.3 in
October
51°F (10°C)
1.3 in
November
38°F (4°C)
0.9 in
December
30°F (-1°C)
0.9 in
Coldest
Purty Rock has a seasonal temperature swing of 42°F / from 30°F in December to 72°F in July. Total annual precipitation is 12.2 inches, with August being the wettest month (2.1") and May the driest (0.4").