Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hillsborough enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 39°F in January while summers reach 80°F in July. The area gets 305 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 47.2 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 553 feet.
Temperature
39°F Jan (4°C)80°F Jul (26°C)
Annual Average
59.5°F
10% above US avg
January Average
39°F (4°C)
July Average
80°F (26°C)
Sunny Days
305 days/yr
Geography
Elevation
553 ft (169 m)
Area
4.6 sq mi (11.9 km²)
Population Density
1,676/sq mi
Coordinates
36.0779°N, 79.0980°W
Timezone
America/New_York
County
Orange County County
Nearest Airport
Raleigh-Durham International (RDU) 22 miles away
Precipitation & Snow
Annual Rainfall47.2"
24% above US avg
Wettest Month (Jul)4.33"
Driest Month (Apr)3.15"
Air Quality
AQI Median
40.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
79.1 / 100
Social Vulnerability
16.6 / 100
Community Resilience
93.6 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Relatively Moderate
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Relatively Moderate
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M2.7.
Aug 18, 2000
2 km SSE of Narrows, Virginia
M2.7
145 km
10 km
Jul 12, 1993
5 km SW of Greensboro, North Carolina
M2.7
65 km
5 km
Mar 26, 2019
8 km E of Archdale, North Carolina
M2.5
72 km
4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2020
Isaias
Category 1
92 mph
248 km
2019
Dorian
Category 2
104 mph
297 km
2018
Florence
Category 2
104 mph
240 km
2016
Matthew
Category 1
81 mph
277 km
2014
Arthur
Category 2
98 mph
273 km
2011
Irene
Category 1
86 mph
259 km
2005
Ophelia
Category 1
86 mph
280 km
2004
Charley
Category 1
75 mph
256 km
2003
Isabel
Category 2
104 mph
143 km
1999
Floyd
Category 2
104 mph
211 km
1998
Bonnie
Category 3
115 mph
223 km
1996
Fran
Category 3
115 mph
104 km
1996
Bertha
Category 2
104 mph
181 km
1989
Hugo
Category 2
98 mph
238 km
1986
Charley
Category 1
81 mph
272 km
1984
Diana
Category 4
132 mph
242 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
279 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 19 fatalities, 473 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 27, 1988
EF4
39 km
83.0 mi
4
Apr 16, 2011
EF3
85 km
65.2 mi
6
Mar 28, 2010
EF3
89 km
4.3 mi
0
Mar 20, 1998
EF3
87 km
12.0 mi
2
Nov 23, 1992
EF3
7 km
5.5 mi
2
Nov 23, 1992
EF3
77 km
160.0 mi
0
Mar 24, 1969
EF3
67 km
0.1 mi
1
Oct 7, 1965
EF3
81 km
1.0 mi
1
Mar 15, 1953
EF3
96 km
30.1 mi
0
Sep 27, 2024
EF2
80 km
6.9 mi
0
May 13, 2019
EF2
66 km
17.2 mi
0
Apr 19, 2019
EF2
20 km
10.1 mi
0
Nov 2, 2018
EF2
86 km
1.7 mi
0
Apr 15, 2018
EF2
60 km
32.8 mi
0
Feb 24, 2016
EF2
58 km
5.1 mi
0
Apr 27, 2011
EF2
78 km
18.1 mi
1
Apr 16, 2011
EF2
42 km
26.2 mi
0
Oct 27, 2010
EF2
59 km
3.9 mi
0
May 5, 2009
EF2
100 km
2.8 mi
0
May 8, 2008
EF2
83 km
3.9 mi
1
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: OVERHILLS (1,436 acres, 2006).
Year
Name
Acres Burned
Distance
2006
OVERHILLS
1,436
95 km
2008
HIGHWAY 1
766
58 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
39°F (4°C)
3.9 in
Coldest
February
41°F (5°C)
3.6 in
March
49°F (10°C)
4.2 in
April
58°F (14°C)
3.2 in
Driest
May
66°F (19°C)
4.3 in
June
73°F (23°C)
3.9 in
July
80°F (26°C)
4.3 in
Warmest, Wettest
August
76°F (24°C)
4.3 in
September
70°F (21°C)
3.7 in
October
59°F (15°C)
3.6 in
November
50°F (10°C)
3.4 in
December
42°F (5°C)
3.3 in
Hillsborough has a seasonal temperature swing of 40°F / from 39°F in January to 80°F in July. Total annual precipitation is 45.5 inches, with July being the wettest month (4.3") and April the driest (3.2").