Lynn Haven climate — normals and trends
Lynn Haven (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 1,277 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (27.3 °C on average) and the coldest is January (12.1 °C). Rainfall peaks in July.
Lynn Haven averages 2 frost days, 37 hot days (≥ 30 °C) and 133 rainy days per year.
Lynn Haven has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.8 °C (on 26 August 2023) and the coldest -10.0 °C (on 21 January 1985).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Lynn HavenFlorida
- coords
- 30.25°, -85.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.3°C
Average daily high
23.2°C
Average daily low
17.5°C
Annual rainfall
1,277mm
Sunshine / day
10.0h
Mean relative humidity
77%
Average peak wind
19.2km/h
Seasonal range
15.2°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
37 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
0.2 cm
Average feels-like high
24.8 °C
Average feels-like low
17.5 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
160 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.20 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.8 °C
26 August 2023
Coldest day
-10.0 °C
21 January 1985
Wettest day
170 mm
14 August 1987
Windiest day
84.1 km/h
4 October 1995
Strongest gust
142.2 km/h
4 October 1995
Hottest feels-like
42.2 °C
15 August 1995
Coldest feels-like
-17.1 °C
21 January 1985
Snowiest day
9.1 cm
21 January 2025
Sunniest day
13.7 h
3 July 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 13.6 °C | -1.9 °C | 75 mm | -38 mm |
| Feb | 18.8 °C | +2.1 °C | 95 mm | -14 mm |
| Mar | 20.4 °C | +1.1 °C | 111 mm | -18 mm |
| Apr | 24.1 °C | +1.6 °C | 26 mm | -55 mm |
| May | 26.6 °C | +0.5 °C | 178 mm | +110 mm |
| Jun | 29.1 °C | +0.4 °C | 158 mm | +50 mm |
| Jul | 30.6 °C | +1.2 °C | 125 mm | -24 mm |
| Aug | 29.7 °C | +0.1 °C | 181 mm | +35 mm |
| Sep | 29.4 °C | +0.9 °C | 38 mm | -87 mm |
| Oct | 25.7 °C | +0.7 °C | 40 mm | -27 mm |
| Nov | 21.0 °C | +0.7 °C | 13 mm | -70 mm |
| Dec | 17.2 °C | +0.3 °C | 110 mm | +9 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Lynn Haven?
Lynn Haven has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 1,277 mm of precipitation per year.
What is the hottest day ever recorded in Lynn Haven?
The hottest day measured in Lynn Haven between 1940 and 2025 was 26 August 2023, reaching 34.8 °C.
What is the coldest day in Lynn Haven?
The coldest day measured in Lynn Haven between 1940 and 2025 was 21 January 1985, at -10.0 °C.
Does it snow in Lynn Haven?
Almost never: Lynn Haven sees virtually no snow, with about 2 frost days per year.
Has the climate of Lynn Haven warmed?
Yes: Lynn Haven warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lynn Haven?
The wettest day measured in Lynn Haven between 1940 and 2025 was 14 August 1987, with 170 mm of rain in 24 hours.
What was the windiest day in Lynn Haven?
The windiest day measured in Lynn Haven between 1940 and 2025 was 4 October 1995, with winds reaching 84.1 km/h.
What is the warmest month in Lynn Haven?
The warmest month in Lynn Haven is July (27.3 °C on average); the coldest is January (12.1 °C).
How much does it rain in Lynn Haven?
Lynn Haven receives on average 1,277 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Lynn Haven?
Lynn Haven gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lynn Haven?
The heaviest 24-hour snowfall measured in Lynn Haven between 1940 and 2025 was 21 January 2025, with 9.1 cm.
Are there tropical nights in Lynn Haven?
Yes: Lynn Haven has on average 160 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lynn Haven?
In Lynn Haven, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 15 August 1995, and the lowest was -17.1 °C on 21 January 1985.
Compare Lynn Haven with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lynn Haven