Photo: Wusel007 · CC BY-SA 3.0Precipitation in Esterbrook trails that of 92% of U.S. towns: 16 inches a year
Midsummer highs settle at about 82°. The seasons are far apart: from a winter night to a summer afternoon the average spans 65°. By July afternoons alone, it runs cooler than 84% of U.S. towns. Garden chairs stay out from June to September, the months with highs of 71–82°.
A year in Esterbrook at a glance
Each month’s typical high and low, and what it brings.
What stands out about Esterbrook’s climate
Compared with towns across the U.S., with Esterbrook’s place in Wyoming beside it.
What a year in Esterbrook feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 99 frost-free days a year
In half of years the last 32° night comes by June 2 and the first by September 9. Frost and day counts come from NOAA’s station at Double Four Rch, WY, 16 miles from the town’s center, 300 ft lower.
The 2023 USDA map puts Esterbrook’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −15°. 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 66 inches of snow a winter
Snow, measured at Double Four Rch, WY, falls mostly in April. Precipitation (rain plus melted snow) adds up to 16 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 78 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Esterbrook
98% 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 Double Four Rch, WY.
Living with Esterbrook’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
99 frost-free days in zone 5b. The last frost comes by Jun 2 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 9.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 2.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Esterbrook from natural hazards, river flooding is the largest share (50%); heat waves, cold waves, winter storms and ice storms together are 16%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Esterbrook and similar climates
TownRatings has no climate map of the towns around Esterbrook yet.
Climates most like Esterbrook’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 |
|---|---|---|---|---|
| Esterbrook, WY | 17° | 82° | 16" | 66" |
| Whitefish, MT | 17° | 82° | 18" | 63" |
| Gleneagle, CO | 14° | 84° | 21" | 55" |
| Flagstaff, AZ | 16° | 84° | 18" | 90" |
| Rexburg, ID | 12° | 84° | 13" | 70" |
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 Esterbrook averaged 1.6° warmer than the 1900s. The biggest change is in March (+3.6°).
A bigger shift than in 63% 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 Esterbrook compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Esterbrook’s place among Wyoming’s.
Esterbrook weather by month
Highs, lows and precipitation from NOAA’s grid at Esterbrook’s center; snow, wet days and snow on the ground from Double Four Rch, WY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 17° | 0.5" | 6.7" | 4 | 14 | 20° – 31° |
| February | 36° | 17° | 0.8" | 8.6" | 5 | 14 | 21° – 34° |
| March | 45° | 24° | 1.2" | 7.1" | 5 | 8 | 26° – 43° |
| April | 52° | 29° | 2.2" | 13.8" | 9 | 4 | 34° – 46° |
| May | 61° | 38° | 3.0" | 2.6" | 10 | 1 | 44° – 56° |
| June | 73° | 47° | 2.0" | 0.1" | 11 | 0 | 54° – 67° |
| July | 82° | 55° | 1.3" | 0.0" | 8 | 0 | 62° – 72° |
| August | 80° | 53° | 1.2" | 0.0" | 7 | 0 | 62° – 70° |
| September | 71° | 44° | 1.1" | 1.8" | 5 | 1 | 52° – 63° |
| October | 56° | 33° | 1.3" | 4.9" | 6 | 2 | 35° – 51° |
| November | 43° | 25° | 0.8" | 11.8" | 4 | 11 | 23° – 43° |
| December | 34° | 17° | 0.7" | 8.4" | 4 | 16 | 18° – 30° |
| Year | 56° | 33° | 15.9" | 65.8" | 78 | 71 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 23° to 43°. August is the most reliable, staying within 8°.
Where Esterbrook’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 Esterbrook’s center.
- Snow: Double Four Rch, WY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Double Four Rch, WY, 16 miles from the town’s center, 300 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 Esterbrook’s climate
What is the weather like in Esterbrook?
A typical July afternoon reaches 82°, a January night drops to 17°, and about 66 inches of snow falls in a normal winter. Colder January nights than 77% of U.S. towns; cooler July afternoons than 84% of U.S. towns.
How cold does it get in Esterbrook in winter?
January nights average 17°. About 203 nights a year reach 32° or below and 11 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Esterbrook get?
About 66 inches in a normal winter at Double Four Rch, WY, most of it in April, with snow on the ground about 71 days a year.
How hot does it get in Esterbrook?
July, with a typical high of 82° and a low of 55°. About 12 days a year reach 90° (Double Four Rch, WY).
When is the first and last frost in Esterbrook?
In half of years the last spring frost (32°) comes by June 2 and the first fall frost by September 9, about 99 frost-free days, at Double Four Rch, WY.
What growing zone is Esterbrook in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −15°.
What is the best time of year to visit Esterbrook?
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 Esterbrook getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Esterbrook.
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.