Photo: Jared Winkler · CC BY-SA 4.0Nights turn raw in Hulett each January, colder than in 94% of U.S. towns
High summer brings afternoon highs near 86°. Winter and summer sit 76° apart. Precipitation is light here, less than falls on 90% of U.S. towns. Tender plants can go out after about May 17; in half of years the first frost comes by September 23.
A year in Hulett at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hulett’s climate
Compared with towns across the U.S., with Hulett’s place in Wyoming beside it.
What a year in Hulett feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 128 frost-free days a year
In half of years the last 32° night comes by May 17 and the first by September 23. Frost and day counts come from NOAA’s station at Hulett, WY, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Hulett’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −22°. 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 49 inches of snow a winter
Snow, measured at Hulett, WY, falls mostly in March. Precipitation (rain plus melted snow) adds up to 18 inches a year; May is the wettest month and December the driest. Rain or snow falls on about 86 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Hulett
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 Hulett, WY.
Living with Hulett’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
128 frost-free days in zone 4b. The last frost comes by May 17 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 and September.
Parks & trails →Of the yearly building losses FEMA expects in Hulett from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 24%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Hulett and similar climates
TownRatings has no climate map of the towns around Hulett yet.
Climates most like Hulett’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 |
|---|---|---|---|---|
| Hulett, WY | 10° | 86° | 18" | 49" |
| Durango, CO | 12° | 86° | 18" | 64" |
| Alliance, NE | 13° | 88° | 17" | 45" |
| Huron, SD | 6° | 86° | 23" | 44" |
| Havre, MT | 6° | 85° | 13" | 41" |
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 Hulett averaged 1.6° warmer than the 1900s. The biggest change is in January (+4.4°).
A bigger shift than in 66% 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 Hulett compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hulett’s place among Wyoming’s.
Hulett weather by month
Highs, lows and precipitation from NOAA’s grid at Hulett’s center; snow, wet days and snow on the ground from Hulett, WY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 35° | 10° | 0.6" | 7.6" | 6 | 14° – 34° |
| February | 37° | 12° | 0.8" | 7.9" | 6 | 9° – 34° |
| March | 47° | 21° | 1.0" | 9.7" | 7 | 23° – 45° |
| April | 56° | 29° | 1.9" | 6.2" | 8 | 35° – 48° |
| May | 66° | 39° | 3.0" | 1.0" | 11 | 46° – 58° |
| June | 77° | 48° | 3.0" | 0.0" | 11 | 57° – 69° |
| July | 86° | 55° | 2.2" | 0.0" | 8 | 62° – 76° |
| August | 84° | 52° | 1.6" | 0.0" | 7 | 63° – 74° |
| September | 74° | 43° | 1.3" | 0.1" | 6 | 51° – 65° |
| October | 59° | 30° | 1.7" | 3.3" | 7 | 35° – 50° |
| November | 45° | 20° | 0.8" | 6.8" | 6 | 20° – 42° |
| December | 35° | 11° | 0.6" | 6.6" | 5 | 13° – 30° |
| Year | 58° | 31° | 18.4" | 49.2" | 86 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 9° to 34°. May is the most reliable, staying within 12°.
Where Hulett’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 Hulett’s center.
- Snow: Hulett, WY (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hulett, WY, 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 Hulett’s climate
What is the weather like in Hulett?
A typical July afternoon reaches 86°, a January night drops to 10°, and about 49 inches of snow falls in a normal winter. Colder January nights than 94% of U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Hulett in winter?
January nights average 10°. About 188 nights a year reach 32° or below and 23 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does Hulett get?
About 49 inches in a normal winter at Hulett, WY, most of it in March.
How hot does it get in Hulett?
July, with a typical high of 86° and a low of 55°. About 29 days a year reach 90° and 2 reach 100° (Hulett, WY).
When is the first and last frost in Hulett?
In half of years the last spring frost (32°) comes by May 17 and the first fall frost by September 23, about 128 frost-free days, at Hulett, WY.
What growing zone is Hulett in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −22°.
What is the best time of year to visit Hulett?
By one simple rule (highs of 62–84° and lows of 40° or more), June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Hulett getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hulett.
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.