Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Delhi has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 67°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 48.7 inches (wetter than the 38-inch national average). The area receives 70.6 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,364 feet.
Temperature
22°F Jan (-6°C)67°F Jul (20°C)
Annual Average
45.3°F
16% below US avg
January Average
22°F (-6°C)
July Average
67°F (20°C)
Sunny Days
246 days/yr
Geography
Elevation
1,364 ft (416 m)
Area
3.2 sq mi (8.3 km²)
Population Density
1,002/sq mi
Coordinates
42.2774°N, 74.9155°W
Timezone
America/New_York
County
Delaware County County
Nearest Airport
Albert S Nader Regional (ONH) 19 miles away
Precipitation & Snow
Annual Rainfall48.7"
28% above US avg
Snowfall70.6"
Wettest Month (May)4.25"
Driest Month (Feb)2.44"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
83.3 / 100
Social Vulnerability
85.9 / 100
Community Resilience
63.2 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Relatively Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Relatively Moderate
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
No Rating
Cold Wave
Relatively Moderate
Landslide
Relatively Moderate
Avalanche
Relatively 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: M4.0.
Jun 17, 1991
7 km NE of Worcester, New York
M4.0
44 km
5 km
Dec 13, 2009
15 km N of Medusa, New York
M3.2
74 km
10 km
Jul 24, 2007
12 km SSW of Altamont, New York
M3.1
75 km
15 km
May 18, 2009
15 km N of Medusa, New York
M3.1
74 km
9 km
Oct 21, 2009
15 km N of Medusa, New York
M2.9
74 km
7 km
Mar 22, 2009
9 km SW of Altamont, New York
M2.8
77 km
16 km
Aug 27, 2011
5 km WSW of Altamont, New York
M2.8
81 km
22 km
Aug 25, 2011
5 km WSW of Altamont, New York
M2.7
81 km
18 km
Feb 18, 2009
15 km N of Medusa, New York
M2.7
74 km
9 km
Feb 27, 2008
2 km SW of Central Bridge, New York
M2.7
65 km
6 km
Feb 20, 2009
15 km SSW of Altamont, New York
M2.7
75 km
8 km
Aug 22, 2000
2 km WSW of Brewster Hill, New York
M2.6
143 km
7 km
Jul 24, 2007
13 km SSW of Altamont, New York
M2.6
75 km
14 km
Dec 13, 2009
14 km N of Medusa, New York
M2.6
74 km
10 km
Jan 15, 1992
5 km NNE of Tuxedo Park, New York
M2.5
131 km
7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 1.
Year
Name
Category
Max Wind
Closest
1991
Bob
Category 2
104 mph
300 km
1985
Gloria
Category 1
86 mph
180 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
154 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 6 fatalities, 84 injuries.
Date
Rating
Distance
Path
Fatalities
Jul 10, 1989
EF4
69 km
42.0 mi
0
May 22, 2014
EF3
85 km
6.8 mi
0
May 31, 1998
EF3
32 km
5.0 mi
0
Jun 16, 1974
EF3
89 km
49.1 mi
0
Apr 22, 2023
EF2
53 km
10.0 mi
0
Jul 8, 2014
EF2
99 km
2.5 mi
4
May 29, 2013
EF2
86 km
12.8 mi
0
Apr 28, 2011
EF2
77 km
7.4 mi
0
Jul 23, 2010
EF2
77 km
25.7 mi
0
May 16, 2009
EF2
97 km
5.7 mi
0
Jul 21, 2003
EF2
78 km
1.5 mi
0
May 18, 2000
EF2
93 km
0.2 mi
0
May 31, 1998
EF2
68 km
1.0 mi
0
May 29, 1995
EF2
94 km
15.0 mi
0
Sep 18, 1991
EF2
75 km
4.0 mi
0
Oct 14, 1989
EF2
74 km
2.0 mi
2
Oct 1, 1986
EF2
28 km
0.1 mi
0
Jul 26, 1986
EF2
84 km
0.5 mi
0
Sep 18, 1977
EF2
89 km
2.0 mi
0
Jun 16, 1976
EF2
46 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km.
Largest: ROOSA GAP (2,747 acres, 2015).
Year
Name
Acres Burned
Distance
2015
ROOSA GAP
2,747
82 km
2008
UNNAMED
2,224
81 km
2016
SAMS POINT FIRE-VERKEERDER FIRE
1,929
82 km
2006
CHERRYTOWN FIRE
943
65 km
2024
WHITEHOUSE
607
57 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
22°F (-6°C)
2.7 in
February
21°F (-6°C)
2.4 in
Coldest, Driest
March
31°F (-1°C)
3.2 in
April
42°F (6°C)
3.6 in
May
54°F (12°C)
4.3 in
Wettest
June
61°F (16°C)
4.2 in
July
67°F (20°C)
4.1 in
Warmest
August
65°F (18°C)
3.9 in
September
57°F (14°C)
3.6 in
October
47°F (8°C)
3.4 in
November
36°F (2°C)
3.7 in
December
25°F (-4°C)
3.2 in
Delhi has a seasonal temperature swing of 46°F / from 21°F in February to 67°F in July. Total annual precipitation is 42.2 inches, with May being the wettest month (4.3") and February the driest (2.4").