Glen Flora has some of the coldest winter nights among U.S. towns
Sunny July days climb to about 79°. Its July afternoons stay fresher than in 95% of U.S. towns. Warming shows here too: 1.3° more than in 1901–2000, led by December. Keep the boiler serviced for the months from October to April, which average under 50°.
A year in Glen Flora at a glance
Each month’s typical high and low, and what it brings.
What stands out about Glen Flora’s climate
Compared with towns across the U.S., with Glen Flora’s place in Wisconsin beside it.
What a year in Glen Flora feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 147 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 3. Frost and day counts come from NOAA’s station at Big Falls Hydro, WI, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Glen Flora’s center in zone 4a: 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 snow a winter
Snow, measured at Ladysmith 3w, WI, falls mostly in February and December. Precipitation (rain plus melted snow) adds up to 32 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 114 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Glen Flora
96% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Big Falls Hydro, WI.
Living with Glen Flora’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
147 frost-free days in zone 4a. The last frost comes by May 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 3.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Glen Flora from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 40%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Glen Flora and similar climates
TownRatings has no climate map of the towns around Glen Flora yet.
Climates most like Glen Flora’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 |
|---|---|---|---|---|
| Glen Flora, WI | 3° | 79° | 32" | 52" |
| Brainerd, MN | 1° | 80° | 29" | 48" |
| Plattsburgh, NY | 9° | 80° | 34" | 50" |
| Littleton, NH | 6° | 80° | 40" | 68" |
| Clear Lake, IA | 7° | 82° | 36" | 44" |
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 Glen Flora averaged 1.3° warmer than the 1900s. The biggest change is in December (+3.3°).
A smaller shift than in 53% 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 Glen Flora compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Glen Flora’s place among Wisconsin’s.
Glen Flora weather by month
Highs, lows and precipitation from NOAA’s grid at Glen Flora’s center; snow, wet days and snow on the ground from Ladysmith 3w, WI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 22° | 3° | 1.0" | 9.2" | 10 | 28 | 1° – 25° |
| February | 27° | 6° | 1.0" | 11.7" | 7 | 28 | 4° – 31° |
| March | 39° | 18° | 1.6" | 6.7" | 7 | 20 | 20° – 44° |
| April | 53° | 30° | 2.8" | 5.5" | 11 | 6 | 30° – 49° |
| May | 67° | 43° | 3.8" | 1.3" | 11 | 0 | 49° – 62° |
| June | 75° | 52° | 4.6" | 0.0" | 11 | 0 | 60° – 68° |
| July | 79° | 57° | 3.8" | 0.0" | 9 | 0 | 61° – 72° |
| August | 77° | 54° | 3.9" | 0.0" | 10 | 0 | 61° – 70° |
| September | 69° | 47° | 3.6" | 0.0" | 10 | 0 | 50° – 63° |
| October | 55° | 35° | 3.3" | 0.7" | 11 | 1 | 40° – 51° |
| November | 39° | 23° | 1.8" | 4.8" | 8 | 5 | 22° – 42° |
| December | 27° | 11° | 1.3" | 12.2" | 10 | 23 | 6° – 30° |
| Year | 52° | 32° | 32.3" | 52.1" | 114 | 111 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 4° to 31°. June is the most reliable, staying within 8°.
Where Glen Flora’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 Glen Flora’s center.
- Snow: Ladysmith 3w, WI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Big Falls Hydro, WI, 5 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 Glen Flora’s climate
What is the weather like in Glen Flora?
A typical July afternoon reaches 79°, a January night drops to 3°, and about 52 inches of snow falls in a normal winter. Colder January nights than all but 118 U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Glen Flora in winter?
January nights average 3°. About 190 nights a year reach 32° or below and 48 reach 0° or below. In the coldest January of the last 30 years the month averaged 1°.
How much snow does Glen Flora get?
About 52 inches in a normal winter at Ladysmith 3w, WI, most of it in February and December, with snow on the ground about 111 days a year.
How hot does it get in Glen Flora?
July, with a typical high of 79° and a low of 57°. About 5 days a year reach 90° (Big Falls Hydro, WI).
When is the first and last frost in Glen Flora?
In half of years the last spring frost (32°) comes by May 7 and the first fall frost by October 3, about 147 frost-free days, at Big Falls Hydro, WI.
What growing zone is Glen Flora in?
Zone 4a 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 Glen Flora?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Glen Flora getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 53% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Glen Flora.
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.