Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trinity has a warm climate with an average annual temperature of 73°F (23°C). Winters average 60°F in January while summers reach 83°F in July. The area gets 314 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 54.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 33 feet.
Temperature
60°F Jan (16°C)83°F Jul (28°C)
Annual Average
72.9°F
35% above US avg
January Average
60°F (16°C)
July Average
83°F (28°C)
Sunny Days
314 days/yr
Geography
Elevation
33 ft (10 m)
Area
4.6 sq mi (11.8 km²)
Population Density
3,117/sq mi
Coordinates
28.1810°N, 82.6469°W
Timezone
America/New_York
County
Pasco County County
Nearest Airport
Tampa International (TPA) 16 miles away
Precipitation & Snow
Annual Rainfall54.3"
43% above US avg
Snowfall0.0"
Wettest Month (Aug)8.23"
Driest Month (Apr)2.05"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
96.0 / 100
Social Vulnerability
39.7 / 100
Community Resilience
10.4 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very High
Earthquake
Very Low
Wildfire
Relatively Moderate
Flood
Relatively High
Hail
Very Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
No Rating
Lightning
Very High
Drought
Very Low
Cold Wave
Relatively Low
Landslide
Very Low
Coastal Flood
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 5.
Year
Name
Category
Max Wind
Closest
2024
Milton
Category 4
132 mph
68 km
2024
Helene
Category 4
138 mph
172 km
2024
Debby
Category 1
81 mph
143 km
2023
Idalia
Category 4
132 mph
175 km
2022
Ian
Category 5
161 mph
144 km
2022
Nicole
Category 1
75 mph
240 km
2021
Elsa
Category 1
75 mph
184 km
2020
Eta
Category 1
75 mph
292 km
2017
Irma
Category 3
115 mph
44 km
2016
Matthew
Category 3
127 mph
235 km
2016
Hermine
Category 1
81 mph
226 km
2005
Wilma
Category 3
121 mph
270 km
2004
Charley
Category 4
150 mph
103 km
2004
Jeanne
Category 3
121 mph
67 km
2004
Frances
Category 2
104 mph
156 km
2000
Gordon
Category 1
81 mph
115 km
1999
Irene
Category 1
75 mph
254 km
1995
Erin
Category 1
86 mph
212 km
1992
Andrew
Category 5
167 mph
269 km
1985
Elena
Category 3
127 mph
127 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
739 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 37 fatalities, 1,165 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 4, 1966
EF4
33 km
135.8 mi
11
Apr 15, 1958
EF4
57 km
0.1 mi
0
Feb 2, 2007
EF3
97 km
16.2 mi
8
Feb 22, 1998
EF3
97 km
18.0 mi
3
Oct 3, 1992
EF3
39 km
2.6 mi
3
Apr 9, 1983
EF3
62 km
10.0 mi
3
Jan 24, 1979
EF3
81 km
7.0 mi
0
May 4, 1978
EF3
30 km
1.5 mi
3
Oct 31, 1958
EF3
72 km
3.6 mi
0
Oct 12, 2023
EF2
74 km
5.6 mi
0
Oct 11, 2023
EF2
27 km
5.0 mi
0
Dec 16, 2020
EF2
37 km
13.1 mi
0
Oct 18, 2019
EF2
63 km
11.5 mi
0
Sep 10, 2017
EF2
75 km
0.6 mi
0
Jan 17, 2016
EF2
83 km
9.2 mi
2
Jun 24, 2012
EF2
98 km
6.2 mi
0
Dec 25, 2006
EF2
34 km
0.8 mi
0
Mar 29, 2001
EF2
93 km
22.0 mi
0
Sep 3, 1998
EF2
89 km
4.5 mi
0
Dec 27, 1997
EF2
97 km
5.8 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: STAGECOACH COMPLEX (14,079 acres, 2001).
Year
Name
Acres Burned
Distance
2001
STAGECOACH COMPLEX
14,079
89 km
1995
UNNAMED
5,474
60 km
2003
UNNAMED
3,890
57 km
1992
UNNAMED
3,836
96 km
1995
UNNAMED
3,726
66 km
2012
UNNAMED
3,443
88 km
1992
UNNAMED
3,132
82 km
2006
UNNAMED
3,048
69 km
1994
UNNAMED
2,792
73 km
2009
THATCHER COMMAND
2,644
71 km
2010
UNNAMED
2,510
65 km
2017
ANCLOTE BRANCH
2,510
9 km
1985
UNNAMED
2,429
55 km
1985
UNNAMED
2,425
60 km
1992
UNNAMED
2,412
96 km
2010
UNNAMED
2,389
57 km
2009
UNNAMED
2,377
88 km
2009
MAX HOOKS
2,359
93 km
2000
UNNAMED
2,354
81 km
1986
UNNAMED
2,338
77 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
60°F (16°C)
3.3 in
Coldest
February
61°F (16°C)
3.3 in
March
66°F (19°C)
3.9 in
April
70°F (21°C)
2.1 in
Driest
May
76°F (25°C)
3.4 in
June
81°F (27°C)
6.3 in
July
83°F (28°C)
7.1 in
Warmest
August
82°F (28°C)
8.2 in
Wettest
September
80°F (27°C)
6.7 in
October
74°F (23°C)
2.8 in
November
67°F (20°C)
2.2 in
December
61°F (16°C)
2.8 in
Trinity has a seasonal temperature swing of 23°F / from 60°F in January to 83°F in July. Total annual precipitation is 52.2 inches, with August being the wettest month (8.2") and April the driest (2.1").