Lynn sits near the top of U.S. towns for precipitation, with 61 inches a year
High summer brings afternoon highs near 90°. Temperatures cover 59° across the year, low to high. Summer afternoons here are warmer than in 76% of U.S. towns. Seedlings are safe outdoors from about March 29, with the first autumn frost due around November 9.
A year in Lynn at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lynn’s climate
Compared with towns across the U.S., with Lynn’s place in Alabama beside it.
What a year in Lynn feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 228 frost-free days a year
In half of years the last 32° night comes by March 29 and the first by November 9. Frost and day counts come from NOAA’s station at Haleyville, AL, 13 miles from the town’s center, 260 ft higher.
The 2023 USDA map puts Lynn’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 10°. 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 61 inches of rain a year
December is the wettest month and October the driest. Rain falls on about 108 days a year. Snow is rare: about 0.9" in a normal year at Haleyville, AL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Lynn
63% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Haleyville, AL.
Living with Lynn’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
228 frost-free days in zone 7b. The last frost comes by Mar 29 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 9.
Months with highs of 62–84° and lows of 40° or more: March, April, May and October.
Parks & trails →Of the yearly building losses FEMA expects in Lynn from natural hazards, river flooding is the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lynn and similar climates
TownRatings has no climate map of the towns around Lynn yet.
Climates most like Lynn’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, AL | 31° | 90° | 61" | 0.9" |
| Dunlap, TN | 30° | 89° | 60" | 3.1" |
| Northchase, NC | 34° | 90° | 59" | 0.2" |
| Travelers Rest, SC | 32° | 88° | 60" | 1.9" |
| Toccoa, GA | 33° | 89° | 57" | 1.4" |
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 Lynn averaged 0.4° warmer than the 1900s. The biggest change is in February (+1.1°).
A smaller shift than in all but 117 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 compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lynn’s place among Alabama’s.
Lynn weather by month
Highs, lows and precipitation from NOAA’s grid at Lynn’s center; snow, wet days and snow on the ground from Haleyville, AL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 52° | 31° | 5.7" | 0.3" | 10 | 0 | 33° – 49° |
| February | 57° | 34° | 5.8" | 0.1" | 10 | 0 | 36° – 53° |
| March | 65° | 40° | 5.7" | 0.3" | 10 | 0 | 46° – 62° |
| April | 74° | 47° | 5.8" | 0.0" | 9 | 0 | 56° – 66° |
| May | 81° | 57° | 4.8" | 0.0" | 9 | 0 | 64° – 73° |
| June | 87° | 65° | 4.8" | 0.0" | 10 | 0 | 72° – 80° |
| July | 90° | 68° | 5.2" | 0.0" | 10 | 0 | 75° – 82° |
| August | 90° | 67° | 4.2" | 0.0" | 9 | 0 | 74° – 84° |
| September | 84° | 61° | 4.1" | 0.0" | 7 | 0 | 69° – 79° |
| October | 75° | 49° | 4.1" | 0.0" | 7 | 0 | 58° – 67° |
| November | 63° | 39° | 4.6" | 0.0" | 9 | 0 | 45° – 57° |
| December | 55° | 34° | 6.2" | 0.2" | 10 | 0 | 34° – 53° |
| Year | 73° | 49° | 61.0" | 0.9" | 108 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 34° to 53°. July is the most reliable, staying within 7°.
Where Lynn’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’s center.
- Snow: Haleyville, AL.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Haleyville, AL, 13 miles from the town’s center, 260 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 Lynn’s climate
What is the weather like in Lynn?
A typical July afternoon reaches 90°, a January night drops to 31°, and snow is almost unheard of. Milder January nights than 73% of U.S. towns; hotter July afternoons than 76% of U.S. towns.
How cold does it get in Lynn in winter?
January nights average 31°. About 57 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 33°.
How much snow does Lynn get?
About 0.9 inches in a normal winter at Haleyville, AL, so most winters see none.
How hot does it get in Lynn?
July, with a typical high of 90° and a low of 68°. About 47 days a year reach 90° and 1 reach 100° (Haleyville, AL).
When is the first and last frost in Lynn?
In half of years the last spring frost (32°) comes by March 29 and the first fall frost by November 9, about 228 frost-free days, at Haleyville, AL.
What growing zone is Lynn in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 10°.
What is the best time of year to visit Lynn?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lynn getting warmer?
Yes: 1991–2020 averaged 0.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 117 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lynn.
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.