Photo: DanTD · CC BY-SA 3.0Few U.S. towns have milder winter nights than Trilby
On a normal July day the thermometer tops out near 91°. The gap between a January night and a July afternoon is 44°. Its yearly precipitation tops that of 88% of U.S. towns. Plan time outside from November to April, when highs sit at 71–83°.
A year in Trilby at a glance
Each month’s typical high and low, and what it brings.
What stands out about Trilby’s climate
Compared with towns across the U.S., with Trilby’s place in Florida beside it.
What a year in Trilby feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A freeze most winters
Frost and day counts come from NOAA’s station at Saint Leo, FL, 9 miles from the town’s center, 110 ft higher.
The 2023 USDA map puts Trilby’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 26°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 52 inches of rain a year
July is the wettest month and November the driest. Rain falls on about 119 days a year. Snow is rare: about 0.0" in a normal year at Saint Leo, FL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Trilby
16% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Saint Leo, FL.
Living with Trilby’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9b. Frost comes about 8 winters in 10, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Trilby from natural hazards, hurricanes are the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Trilby and similar climates
TownRatings has no climate map of the towns around Trilby yet.
Climates most like Trilby’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Trilby, FL | 47° | 91° | 52" | 0.0" |
| Clute, TX | 46° | 91° | 50" | 0.0" |
| St. Marys, GA | 43° | 91° | 51" | 0.0" |
| Hilton Head Island, SC | 41° | 90° | 49" | 0.0" |
| Morgan City, LA | 44° | 91° | 60" | 0.0" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Trilby averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.0°).
A bigger shift than in 54% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Trilby compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Trilby’s place among Florida’s.
Trilby weather by month
Highs, lows and precipitation from NOAA’s grid at Trilby’s center; snow, wet days and snow on the ground from Saint Leo, FL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 71° | 47° | 3.0" | 0.0" | 8 | 0 | 52° – 65° |
| February | 74° | 50° | 2.4" | 0.0" | 7 | 0 | 53° – 71° |
| March | 78° | 54° | 3.1" | 0.0" | 7 | 0 | 59° – 72° |
| April | 83° | 59° | 2.7" | 0.0" | 6 | 0 | 66° – 76° |
| May | 88° | 65° | 3.2" | 0.0" | 7 | 0 | 73° – 79° |
| June | 90° | 71° | 8.1" | 0.0" | 15 | 0 | 79° – 84° |
| July | 91° | 72° | 8.2" | 0.0" | 17 | 0 | 80° – 84° |
| August | 91° | 73° | 8.1" | 0.0" | 18 | 0 | 80° – 84° |
| September | 90° | 71° | 6.3" | 0.0" | 13 | 0 | 78° – 83° |
| October | 84° | 64° | 2.7" | 0.0" | 8 | 0 | 70° – 79° |
| November | 78° | 55° | 1.8" | 0.0" | 6 | 0 | 62° – 73° |
| December | 73° | 50° | 2.4" | 0.0" | 7 | 0 | 50° – 71° |
| Year | 82° | 61° | 51.8" | 0.0" | 119 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 50° to 71°. July is the most reliable, staying within 4°.
Where Trilby’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Trilby’s center.
- Snow: Saint Leo, FL.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Saint Leo, FL, 9 miles from the town’s center, 110 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Trilby’s climate
What is the weather like in Trilby?
A typical July afternoon reaches 91°, a January night drops to 47°, and snow is almost unheard of. Milder January nights than 95% of U.S. towns; hotter July afternoons than 82% of U.S. towns.
How cold does it get in Trilby in winter?
January nights average 47°. About 3 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 52°.
How much snow does Trilby get?
About 0.0 inches in a normal winter at Saint Leo, FL, so most winters see none.
How hot does it get in Trilby?
July, with a typical high of 91° and a low of 72°. About 114 days a year reach 90° (Saint Leo, FL).
When is the first and last frost in Trilby?
There is no reliable frost date: a 32° night comes in about 81% of winters at Saint Leo, FL, so most years bring a freeze but some pass without one.
What growing zone is Trilby in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 26°.
What is the best time of year to visit Trilby?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Trilby getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Trilby.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.