Robinson, Fred, Bridge · Photo: Jon Roanhaus · CC BY-SA 4.0Landusky has some of the coolest summers among U.S. towns
The coldest hours of a January night bottom out at 15° on average. By precipitation alone, it ranks drier than 90% of U.S. towns. Since 1901–2000, the year has warmed by 1.5°, most of all in January. Warm coats and heating bills mark the months from October to May, when means dip under 50°.
A year in Landusky at a glance
Each month’s typical high and low, and what it brings.
What stands out about Landusky’s climate
Compared with towns across the U.S., with Landusky’s place in Montana beside it.
What a year in Landusky feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 126 frost-free days a year
In half of years the last 32° night comes by May 18 and the first by September 23. Frost and day counts come from NOAA’s station at Zortman, MT, 5 miles from the town’s center, 160 ft lower.
The 2023 USDA map puts Landusky’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −21°. 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 19 inches of rain a year
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Landusky
97% 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 Zortman, MT.
Living with Landusky’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
126 frost-free days in zone 4b. The last frost comes by May 18 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 23.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September.
Parks & trails →Cold waves are 48% of the yearly building losses FEMA expects in Landusky from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Landusky and similar climates
TownRatings has no climate map of the towns around Landusky 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 Landusky averaged 1.5° warmer than the 1900s. The biggest change is in January (+4.8°).
A bigger shift than in 58% 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 Landusky compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Landusky’s place among Montana’s.
Landusky weather by month
Highs, lows and precipitation from NOAA’s grid at Landusky’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 33° | 15° | 0.8" | 9° – 35° |
| February | 34° | 16° | 0.7" | 1° – 38° |
| March | 42° | 22° | 1.0" | 16° – 40° |
| April | 50° | 30° | 1.8" | 34° – 44° |
| May | 59° | 39° | 3.0" | 43° – 55° |
| June | 68° | 47° | 3.8" | 52° – 63° |
| July | 78° | 54° | 2.0" | 55° – 74° |
| August | 77° | 53° | 1.5" | 58° – 71° |
| September | 66° | 44° | 1.6" | 49° – 62° |
| October | 52° | 33° | 1.4" | 34° – 49° |
| November | 41° | 23° | 0.8" | 20° – 42° |
| December | 33° | 17° | 0.7" | 13° – 34° |
| Year | 53° | 33° | 19.2" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 1° to 38°. April is the most reliable, staying within 10°.
Where Landusky’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 Landusky’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Zortman, MT, 5 miles from the town’s center, 160 ft lower; 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 Landusky’s climate
What is the weather like in Landusky?
A typical July afternoon reaches 78°, a January night drops to 15°. Colder January nights than 85% of U.S. towns; cooler July afternoons than 96% of U.S. towns.
How cold does it get in Landusky in winter?
January nights average 15°. About 186 nights a year reach 32° or below and 24 reach 0° or below. In the coldest January of the last 30 years the month averaged 9°.
How hot does it get in Landusky?
July, with a typical high of 78° and a low of 54°. About 9 days a year reach 90° (Zortman, MT).
When is the first and last frost in Landusky?
In half of years the last spring frost (32°) comes by May 18 and the first fall frost by September 23, about 126 frost-free days, at Zortman, MT.
What growing zone is Landusky in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −21°.
What is the best time of year to visit Landusky?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Landusky getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 58% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Landusky.
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.