Glyndon’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 82°, a January night drops to −1°, and about 53 inches of snow falls in a normal winter.
A year in Glyndon at a glance
Each month’s typical high and low, and what it brings.
What stands out about Glyndon’s climate
Compared with towns across the U.S., with Glyndon’s place in Minnesota beside it.
What a year in Glyndon feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 150 frost-free days a year
In half of years the last 32° night comes by May 5 and the first by October 3. Frost and day counts come from NOAA’s station at Moorhead, MN, 8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Glyndon’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 53 inches of snow a winter
Snow, measured at Moorhead, MN, falls mostly in January. Precipitation (rain plus melted snow) adds up to 25 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 109 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Glyndon
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Moorhead, MN.
Living with Glyndon’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
150 frost-free days in zone 4a. The last frost comes by May 5 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. 0.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Glyndon from natural hazards, river flooding is the largest share (66%); heat waves, cold waves, winter storms and ice storms together are 20%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Glyndon and similar climates
TownRatings has no climate map of the towns around Glyndon yet.
Climates most like Glyndon’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 |
|---|---|---|---|---|
| Glyndon, MN | −1° | 82° | 25" | 53" |
| Minot, ND | 2° | 82° | 17" | 52" |
| Brookings, SD | 5° | 82° | 27" | 36" |
| Kingsford, MI | 5° | 80° | 29" | 61" |
| Rice Lake, WI | 3° | 80° | 33" | 53" |
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 Glyndon averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.7°).
A bigger shift than in 59% 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 Glyndon compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Glyndon’s place among Minnesota’s.
Glyndon weather by month
Highs, lows and precipitation from NOAA’s grid at Glyndon’s center; snow, wet days and snow on the ground from Moorhead, MN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 18° | −1° | 0.7" | 12.2" | 9 | 29 | −6° – 24° |
| February | 23° | 4° | 0.6" | 7.7" | 7 | 26 | 1° – 27° |
| March | 37° | 18° | 1.1" | 9.3" | 8 | 18 | 17° – 42° |
| April | 54° | 32° | 1.6" | 4.0" | 8 | 3 | 33° – 52° |
| May | 69° | 44° | 3.1" | 0.0" | 12 | 0 | 51° – 63° |
| June | 78° | 56° | 4.4" | 0.0" | 12 | 0 | 62° – 71° |
| July | 82° | 59° | 3.9" | 0.0" | 10 | 0 | 64° – 76° |
| August | 80° | 57° | 2.9" | 0.0" | 9 | 0 | 62° – 73° |
| September | 72° | 48° | 2.8" | 0.0" | 9 | 0 | 54° – 64° |
| October | 56° | 35° | 2.3" | 0.7" | 9 | 0 | 37° – 51° |
| November | 38° | 21° | 0.9" | 8.0" | 8 | 10 | 17° – 41° |
| December | 24° | 7° | 0.8" | 10.8" | 9 | 23 | 0° – 24° |
| Year | 52° | 32° | 25.0" | 52.7" | 109 | 110 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -6° to 24°. June is the most reliable, staying within 9°.
Where Glyndon’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 Glyndon’s center.
- Snow: Moorhead, MN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Moorhead, MN, 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 Glyndon’s climate
What is the weather like in Glyndon?
A typical July afternoon reaches 82°, a January night drops to −1°, and about 53 inches of snow falls in a normal winter. Colder January nights than all but 40 U.S. towns; cooler July afternoons than 83% of U.S. towns.
How cold does it get in Glyndon in winter?
January nights average −1°. About 170 nights a year reach 32° or below and 44 reach 0° or below. In the coldest January of the last 30 years the month averaged −6°.
How much snow does Glyndon get?
About 53 inches in a normal winter at Moorhead, MN, most of it in January, with snow on the ground about 110 days a year.
How hot does it get in Glyndon?
July, with a typical high of 82° and a low of 59°. About 10 days a year reach 90° (Moorhead, MN).
When is the first and last frost in Glyndon?
In half of years the last spring frost (32°) comes by May 5 and the first fall frost by October 3, about 150 frost-free days, at Moorhead, MN.
What growing zone is Glyndon 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 Glyndon?
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 Glyndon getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 59% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Glyndon.
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.