Evaro School · Photo: Magicpiano · CC BY-SA 4.0Evaro has some of the coolest summers among U.S. towns
The coldest hours of a January night bottom out at 18° on average. The gap between a January night and a July afternoon is 57°. Its January nights bite harder than in 69% of U.S. towns. Homes need heating from October to May, the months averaging under 50°.
A year in Evaro at a glance
Each month’s typical high and low, and what it brings.
What stands out about Evaro’s climate
Compared with towns across the U.S., with Evaro’s place in Montana beside it.
What a year in Evaro feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 42 inches of rain a year
January is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Living with Evaro’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 6a.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 42 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Evaro from natural hazards, avalanches are the largest share (59%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Evaro and similar climates
TownRatings has no climate map of the towns around Evaro 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 Evaro averaged 1.3° warmer than the 1900s. The biggest change is in January (+3.9°).
A smaller shift than in 55% 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 Evaro compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Evaro’s place among Montana’s.
Evaro weather by month
Highs, lows and precipitation from NOAA’s grid at Evaro’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 30° | 18° | 5.0" | 14° – 31° |
| February | 33° | 18° | 4.2" | 15° – 32° |
| March | 41° | 23° | 3.9" | 25° – 37° |
| April | 47° | 28° | 4.0" | 33° – 44° |
| May | 57° | 35° | 3.6" | 41° – 51° |
| June | 63° | 41° | 3.7" | 49° – 61° |
| July | 75° | 48° | 1.3" | 52° – 69° |
| August | 74° | 48° | 1.3" | 56° – 64° |
| September | 63° | 41° | 2.0" | 49° – 57° |
| October | 48° | 31° | 3.4" | 33° – 47° |
| November | 35° | 23° | 4.9" | 22° – 36° |
| December | 29° | 18° | 4.6" | 17° – 28° |
| Year | 50° | 31° | 41.8" |
How much a month can swing
A normal is an average. July swings the most: from 1991 to 2020 its average ranged from 52° to 69°. August is the most reliable, staying within 8°.
Where Evaro’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 Evaro’s center.
- 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 Evaro’s climate
What is the weather like in Evaro?
A typical July afternoon reaches 75°, a January night drops to 18°. Colder January nights than 69% of U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Evaro in winter?
December nights average 18°. In the coldest December of the last 30 years the month averaged 17°.
How hot does it get in Evaro?
July, with a typical high of 75°. 90° days are rare.
What growing zone is Evaro in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Evaro?
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 Evaro getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Evaro.
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.