Photo: Ebyabe · CC BY-SA 3.0Lynn Haven is among the wettest of U.S. towns: 58 inches of precipitation a year
In July the day’s top temperature is typically 90°. Its January nights stay gentler than in 93% of U.S. towns. The latest 30-year average runs 0.9° warmer than 1901–2000’s, with December up the most. Garden planting can start around February 15; autumn frost returns near December 12.
A year in Lynn Haven at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lynn Haven’s climate
Compared with towns across the U.S., with Lynn Haven’s place in Florida beside it.
What a year in Lynn Haven feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 301 frost-free days a year
In half of years the last 32° night comes by February 15 and the first by December 12. Frost and day counts come from NOAA’s station at Panama City 5n, FL, 1.8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Lynn Haven’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 24°. 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 58 inches of rain a year
August is the wettest month and May the driest. Rain falls on about 100 days a year. Snow is rare: about 0.0" in a normal year at Panama City 5n, FL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Lynn Haven
31% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from January.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Panama City 5n, FL.
Living with Lynn Haven’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
301 frost-free days in zone 9a. The last frost comes by Feb 15 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 12.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, May, October, November and December. 3.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lynn Haven from natural hazards, hurricanes are the largest share (68%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lynn Haven and its neighbors
Panama City has the coldest January nights next door (42°, 2° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Lynn Haven’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 |
|---|---|---|---|---|
| Lynn Haven, FL | 44° | 90° | 58" | 0.0" |
| Patterson, LA | 44° | 90° | 60" | 0.0" |
| Baytown, TX | 44° | 91° | 57" | 0.0" |
| Bay St. Louis, MS | 43° | 89° | 64" | 0.0" |
| Chickasaw, AL | 41° | 91° | 64" | 0.2" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Lynn Haven averaged 0.9° warmer than the 1900s. The biggest change is in December (+1.6°).
A smaller shift than in 82% 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 Lynn Haven compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lynn Haven’s place among Florida’s.
Lynn Haven weather by month
Highs, lows and precipitation from NOAA’s grid at Lynn Haven’s center; snow, wet days and snow on the ground from Panama City 5n, FL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 63° | 44° | 4.5" | 0.0" | 9 | 0 | 47° – 61° |
| February | 65° | 47° | 4.6" | 0.0" | 8 | 0 | 47° – 65° |
| March | 71° | 52° | 4.8" | 0.0" | 7 | 0 | 55° – 69° |
| April | 77° | 58° | 3.9" | 0.0" | 6 | 0 | 62° – 73° |
| May | 84° | 66° | 3.2" | 0.0" | 5 | 0 | 72° – 78° |
| June | 88° | 73° | 5.6" | 0.0" | 11 | 0 | 77° – 85° |
| July | 90° | 75° | 6.8" | 0.0" | 12 | 0 | 80° – 84° |
| August | 90° | 75° | 7.5" | 0.0" | 14 | 0 | 80° – 85° |
| September | 87° | 71° | 5.8" | 0.0" | 10 | 0 | 76° – 83° |
| October | 80° | 62° | 3.3" | 0.0" | 6 | 0 | 67° – 76° |
| November | 71° | 51° | 3.5" | 0.0" | 6 | 0 | 55° – 68° |
| December | 65° | 47° | 4.4" | 0.0" | 8 | 0 | 46° – 64° |
| Year | 78° | 60° | 57.8" | 0.0" | 100 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 47° to 65°. July is the most reliable, staying within 4°.
Where Lynn Haven’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 Lynn Haven’s center.
- Snow: Panama City 5n, FL (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Panama City 5n, FL, 1.8 miles from the town’s center, at about the same height; 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 Lynn Haven’s climate
What is the weather like in Lynn Haven?
A typical July afternoon reaches 90°, a January night drops to 44°, and snow is almost unheard of. Milder January nights than 93% of U.S. towns; hotter July afternoons than 77% of U.S. towns.
How cold does it get in Lynn Haven in winter?
January nights average 44°. About 17 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 47°.
How much snow does Lynn Haven get?
About 0.0 inches in a normal winter at Panama City 5n, FL, so most winters see none.
How hot does it get in Lynn Haven?
July, with a typical high of 90° and a low of 75°. About 67 days a year reach 90° (Panama City 5n, FL).
When is the first and last frost in Lynn Haven?
In half of years the last spring frost (32°) comes by February 15 and the first fall frost by December 12, about 301 frost-free days, at Panama City 5n, FL.
What growing zone is Lynn Haven in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 24°.
What is the best time of year to visit Lynn Haven?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lynn Haven getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lynn Haven.
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.