Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Newcomb experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 29°F in January while summers reach 73°F in July. The area gets 318 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 5,558 feet.
Temperature
29°F Jan (-2°C)73°F Jul (23°C)
Annual Average
51.1°F
5% below US avg
January Average
29°F (-2°C)
July Average
73°F (23°C)
Sunny Days
318 days/yr
Geography
Elevation
5,558 ft (1,694 m)
Area
6.0 sq mi (15.6 km²)
Population Density
38/sq mi
Coordinates
36.2852°N, 108.7116°W
Timezone
America/Denver
County
San Juan County County
Nearest Airport
Four Corners Regional (FMN) 41 miles away
Precipitation & Snow
Wettest Month (Aug)1.38"
Driest Month (Jun)0.31"
Air Quality
AQI Median
37.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
88.3 / 100
Social Vulnerability
91.5 / 100
Community Resilience
5.3 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Relatively Moderate
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Relatively Low
Drought
Relatively High
Cold Wave
Relatively Moderate
Landslide
Relatively Moderate
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 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
146 km
5 km
Apr 22, 2017
4 km SSW of Bluff, Utah
M3.7
131 km
9 km
Jun 6, 2008
10 km NE of Bluff, Utah
M3.6
137 km
12 km
Jul 4, 2021
24 km SW of Lake Valley, New Mexico
M3.1
47 km
5 km
Jun 10, 2020
5 km WNW of Tsaile, Arizona
M2.8
51 km
14 km
Aug 10, 2019
5 km E of Bluewater Village, New Mexico
M2.8
137 km
5 km
Jan 30, 2023
18 km WSW of Pueblo Pintado, New Mexico
M2.7
92 km
5 km
Sep 23, 1995
4 km E of Teec Nos Pos, Arizona
M2.7
77 km
8 km
Mar 6, 2023
17 km ENE of Chilchinbito, Arizona
M2.6
110 km
13 km
Aug 26, 2024
8 km S of Rough Rock, Arizona
M2.6
105 km
5 km
May 20, 2024
11 km WNW of Ramah, New Mexico
M2.6
126 km
11 km
Jul 16, 2022
11 km NW of Many Farms, Arizona
M2.5
90 km
5 km
Aug 25, 2024
13 km NNE of Round Rock, Arizona
M2.5
73 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
10 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2.
Date
Rating
Distance
Path
Fatalities
May 10, 1957
EF2
62 km
0.1 mi
0
Mar 21, 2020
EF0
55 km
0.5 mi
0
Jun 10, 2015
EF0
66 km
0.2 mi
0
Sep 18, 2013
EF0
60 km
0.2 mi
0
Sep 10, 2013
EF0
58 km
0.2 mi
0
Aug 3, 2010
EF0
82 km
1.0 mi
0
Oct 23, 2000
EF0
85 km
0.1 mi
0
Oct 23, 2000
EF0
85 km
0.1 mi
0
Sep 28, 1990
EF0
67 km
0.2 mi
0
May 28, 1963
EF0
80 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km.
Closest: Zuni-Bandera (177 km).
Name
Type
Elevation
Last Eruption
Distance
Zuni-Bandera
Volcanic field
2,550 m (8,366 ft)
-1170
177 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
18 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
69 km
2014
ASSAYII LAKE
13,176
31 km
1986
WESTTOE
5,397
99 km
2005
LITTLE WATER1
4,342
36 km
2002
CARRIZO 1
3,701
68 km
2005
HOOK LAKE
3,609
25 km
2009
SAWMILL ROAD RX
3,411
67 km
2004
TURKEY SPRING
3,017
48 km
2004
SANDSPRING
2,935
31 km
1987
AZTECTHREE
2,857
89 km
2010
FLUTED ROCK LAKE RX
2,630
59 km
2006
KINLICHEE CANYON 1
2,283
76 km
2005
KINLICHEE
1,949
76 km
2011
CATTAIL CANYON JACKPOT BURN
1,801
50 km
2006
KINLICHEE 2
1,738
90 km
2001
9400 FMZ
1,312
64 km
2005
OAK RIDGE
1,309
87 km
2004
WELL
1,177
90 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
29°F (-2°C)
0.7 in
Coldest
February
36°F (2°C)
0.4 in
March
43°F (6°C)
0.6 in
April
50°F (10°C)
0.4 in
May
59°F (15°C)
0.4 in
June
69°F (20°C)
0.3 in
Driest
July
73°F (23°C)
1.1 in
Warmest
August
72°F (22°C)
1.4 in
Wettest
September
65°F (19°C)
1.1 in
October
54°F (12°C)
1.1 in
November
41°F (5°C)
0.6 in
December
32°F (0°C)
0.7 in
Newcomb has a seasonal temperature swing of 45°F / from 29°F in January to 73°F in July. Total annual precipitation is 8.7 inches, with August being the wettest month (1.4") and June the driest (0.3").