Photo: Mike Cline · CC BY 3.0White Sulphur Springs gets about 96 inches of snow a winter, more than 97% of U.S. towns
Expect July afternoons of about 80°. Precipitation is light here, less than falls on 94% of U.S. towns. Since 1901–2000, the year has warmed by 1.4°, most of all in January. Comfortable outdoor weather lasts from June to August, with highs of 70–80°.
A year in White Sulphur Springs at a glance
Each month’s typical high and low, and what it brings.
What stands out about White Sulphur Springs’ climate
Compared with towns across the U.S., with White Sulphur Springs’ place in Montana beside it.
What a year in White Sulphur Springs feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 97 frost-free days a year
In half of years the last 32° night comes by June 4 and the first by September 11. Frost and day counts come from NOAA’s station at White Sulphur Springs #2, MT, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts White Sulphur Springs’ center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. 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 96 inches of snow a winter
Snow, measured at Lennep 5 Sw, MT, falls mostly in January and March. Precipitation (rain plus melted snow) adds up to 14 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 119 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in White Sulphur Springs
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September 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 White Sulphur Springs #2, MT.
Living with White Sulphur Springs’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
97 frost-free days in zone 4b. The last frost comes by Jun 4 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 11.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 0.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in White Sulphur Springs from natural hazards, river flooding is the largest share (54%); heat waves, cold waves, winter storms and ice storms together are 27%. Normals are averages; the hazards page covers the extremes.
Natural hazards →White Sulphur Springs and similar climates
TownRatings has no climate map of the towns around White Sulphur Springs yet.
Climates most like White Sulphur Springs’, 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 |
|---|---|---|---|---|
| White Sulphur Springs, MT | 13° | 80° | 14" | 96" |
| Estes Park, CO | 11° | 79° | 19" | 118" |
| Laramie, WY | 12° | 81° | 12" | 64" |
| Flagstaff, AZ | 16° | 84° | 18" | 90" |
| Hailey, ID | 10° | 84° | 14" | 102" |
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 White Sulphur Springs averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.2°).
A bigger shift than in 52% 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 White Sulphur Springs compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with White Sulphur Springs’ place among Montana’s.
White Sulphur Springs weather by month
Highs, lows and precipitation from NOAA’s grid at White Sulphur Springs’ center; snow, wet days and snow on the ground from Lennep 5 Sw, MT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 33° | 13° | 0.6" | 17.0" | 10 | 28 | 14° – 29° |
| February | 35° | 13° | 0.5" | 13.3" | 9 | 24 | 12° – 34° |
| March | 44° | 20° | 0.7" | 15.5" | 11 | 19 | 22° – 39° |
| April | 51° | 26° | 1.2" | 12.5" | 12 | 7 | 33° – 44° |
| May | 61° | 35° | 2.4" | 2.5" | 13 | 1 | 43° – 53° |
| June | 70° | 42° | 2.7" | 0.3" | 12 | 0 | 50° – 62° |
| July | 80° | 47° | 1.5" | 0.0" | 8 | 0 | 54° – 71° |
| August | 80° | 45° | 1.2" | 0.0" | 8 | 0 | 56° – 67° |
| September | 69° | 37° | 1.1" | 0.9" | 7 | 0 | 49° – 58° |
| October | 54° | 28° | 1.0" | 7.9" | 10 | 4 | 33° – 48° |
| November | 41° | 20° | 0.6" | 12.5" | 9 | 16 | 22° – 40° |
| December | 32° | 13° | 0.6" | 13.2" | 11 | 25 | 15° – 28° |
| Year | 54° | 28° | 14.1" | 95.6" | 119 | 124 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 12° to 34°. September is the most reliable, staying within 9°.
Where White Sulphur Springs’ 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 White Sulphur Springs’ center.
- Snow: Lennep 5 Sw, MT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: White Sulphur Springs #2, MT, 0.2 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 White Sulphur Springs’ climate
What is the weather like in White Sulphur Springs?
A typical July afternoon reaches 80°, a January night drops to 13°, and about 96 inches of snow falls in a normal winter. Colder January nights than 90% of U.S. towns; cooler July afternoons than 92% of U.S. towns.
How cold does it get in White Sulphur Springs in winter?
January nights average 13°. About 199 nights a year reach 32° or below and 20 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does White Sulphur Springs get?
About 96 inches in a normal winter at Lennep 5 Sw, MT, most of it in January and March, with snow on the ground about 124 days a year.
How hot does it get in White Sulphur Springs?
July, with a typical high of 80° and a low of 47°. About 9 days a year reach 90° (White Sulphur Springs #2, MT).
When is the first and last frost in White Sulphur Springs?
In half of years the last spring frost (32°) comes by June 4 and the first fall frost by September 11, about 97 frost-free days, at White Sulphur Springs #2, MT.
What growing zone is White Sulphur Springs in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit White Sulphur Springs?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is White Sulphur Springs getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 52% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in White Sulphur Springs.
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.