Photo: Andrew Filer from Seattle (ex-Minneapolis) · CC BY-SA 2.0Few U.S. towns have colder winter nights than Flasher
The warmest part of a July day comes in at 84° on average. Expect the heaviest rain or snow in June and the lightest in January. Its yearly precipitation falls short of 91% of U.S. towns. Radiators earn their keep from October to April, the months that average under 50°.
A year in Flasher at a glance
Each month’s typical high and low, and what it brings.
What stands out about Flasher’s climate
Compared with towns across the U.S., with Flasher’s place in North Dakota beside it.
What a year in Flasher feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 135 frost-free days a year
In half of years the last 32° night comes by May 13 and the first by September 27. Frost and day counts come from NOAA’s station at Flasher, ND, 1.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Flasher’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 18 inches of rain a year
June is the wettest month and January the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Flasher
94% 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 Flasher, ND.
Living with Flasher’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
135 frost-free days in zone 4a. The last frost comes by May 13 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 27.
Months with highs of 62–84° and lows of 40° or more: May, June, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Flasher from natural hazards, river flooding is the largest share (35%); heat waves, cold waves, winter storms and ice storms together are 29%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Flasher and similar climates
TownRatings has no climate map of the towns around Flasher yet.
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 Flasher averaged 1.3° warmer than the 1900s. The biggest change is in January (+4.3°).
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 Flasher compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Flasher’s place among North Dakota’s.
Flasher weather by month
Highs, lows and precipitation from NOAA’s grid at Flasher’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 24° | 3° | 0.4" | 2° – 28° |
| February | 28° | 8° | 0.5" | 0° – 31° |
| March | 41° | 19° | 0.7" | 18° – 43° |
| April | 56° | 29° | 1.5" | 35° – 50° |
| May | 68° | 41° | 2.7" | 49° – 60° |
| June | 77° | 51° | 3.2" | 59° – 69° |
| July | 84° | 57° | 2.8" | 62° – 78° |
| August | 83° | 55° | 2.1" | 63° – 75° |
| September | 73° | 45° | 1.5" | 53° – 64° |
| October | 57° | 32° | 1.5" | 37° – 49° |
| November | 40° | 19° | 0.6" | 16° – 40° |
| December | 28° | 8° | 0.5" | 6° – 27° |
| Year | 55° | 31° | 18.0" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 0° to 31°. June is the most reliable, staying within 10°.
Where Flasher’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 Flasher’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Flasher, ND, 1.6 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 Flasher’s climate
What is the weather like in Flasher?
A typical July afternoon reaches 84°, a January night drops to 3°. Colder January nights than all but 133 U.S. towns; cooler July afternoons than 59% of U.S. towns.
How cold does it get in Flasher in winter?
January nights average 3°. About 191 nights a year reach 32° or below and 39 reach 0° or below. In the coldest January of the last 30 years the month averaged 2°.
How hot does it get in Flasher?
July, with a typical high of 84° and a low of 57°. About 19 days a year reach 90° and 3 reach 100° (Flasher, ND).
When is the first and last frost in Flasher?
In half of years the last spring frost (32°) comes by May 13 and the first fall frost by September 27, about 135 frost-free days, at Flasher, ND.
What growing zone is Flasher 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 Flasher?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Flasher 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 Flasher.
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.