Photo: Sam Beebe · CC BY 2.0Weiser reaches 100° on about 13 days a year, more than 93% of U.S. towns
A typical July afternoon reaches 94°, a January night drops to 22°, and about 15 inches of snow falls in a normal winter.
A year in Weiser at a glance
Each month’s typical high and low, and what it brings.
What stands out about Weiser’s climate
Compared with towns across the U.S., with Weiser’s place in Idaho beside it.
What a year in Weiser feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 23 and the first by October 13. Frost and day counts come from NOAA’s station at Weiser, ID, 0.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Weiser’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 15 inches of snow a winter
Snow, measured at Malheur Branch Exp Stn, OR, falls mostly in January. Precipitation (rain plus melted snow) adds up to 13 inches a year; December is the wettest month and August the driest. Rain or snow falls on about 91 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Weiser
85% of the work is heating. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Weiser, ID.
Living with Weiser’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 7a. The last frost comes by Apr 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 13.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 0.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Weiser from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Weiser and similar climates
TownRatings has no climate map of the towns around Weiser yet.
Climates most like Weiser’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 |
|---|---|---|---|---|
| Weiser, ID | 22° | 94° | 13" | 15" |
| Los Ranchos de Albuquerque, NM | 21° | 94° | 9" | 12" |
| Kanab, UT | 23° | 94° | 13" | 22" |
| Fruitvale, CO | 19° | 94° | 10" | 13" |
| Dalhart, TX | 21° | 92° | 16" | 20" |
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 Weiser averaged 1.4° warmer than the 1900s. The biggest change is in January (+2.9°).
A bigger shift than in 51% 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 Weiser compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Weiser’s place among Idaho’s.
Weiser weather by month
Highs, lows and precipitation from NOAA’s grid at Weiser’s center; snow, wet days and snow on the ground from Malheur Branch Exp Stn, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 36° | 22° | 1.7" | 6.1" | 11 | 19° – 35° |
| February | 45° | 26° | 1.2" | 2.3" | 8 | 27° – 43° |
| March | 56° | 33° | 1.2" | 0.5" | 11 | 40° – 51° |
| April | 65° | 37° | 1.0" | 0.0" | 9 | 46° – 57° |
| May | 74° | 46° | 1.3" | 0.0" | 8 | 53° – 66° |
| June | 83° | 53° | 0.9" | 0.0" | 6 | 63° – 77° |
| July | 94° | 60° | 0.3" | 0.0" | 2 | 66° – 82° |
| August | 92° | 57° | 0.2" | 0.0" | 3 | 68° – 78° |
| September | 81° | 48° | 0.4" | 0.0" | 3 | 61° – 68° |
| October | 66° | 37° | 0.8" | 0.0" | 7 | 44° – 58° |
| November | 48° | 28° | 1.3" | 1.1" | 10 | 32° – 44° |
| December | 37° | 23° | 2.1" | 5.4" | 11 | 21° – 36° |
| Year | 65° | 39° | 12.5" | 15.4" | 91 |
How much a month can swing
A normal is an average. July swings the most: from 1991 to 2020 its average ranged from 66° to 82°. September is the most reliable, staying within 8°.
Where Weiser’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 Weiser’s center.
- Snow: Malheur Branch Exp Stn, OR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Weiser, ID, 0.6 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 Weiser’s climate
What is the weather like in Weiser?
A typical July afternoon reaches 94°, a January night drops to 22°, and about 15 inches of snow falls in a normal winter. Milder January nights than 53% of U.S. towns; hotter July afternoons than 93% of U.S. towns.
How cold does it get in Weiser in winter?
January nights average 22°. About 136 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How much snow does Weiser get?
About 15 inches in a normal winter at Malheur Branch Exp Stn, OR, most of it in January.
How hot does it get in Weiser?
July, with a typical high of 94° and a low of 60°. About 59 days a year reach 90° and 13 reach 100° (Weiser, ID).
When is the first and last frost in Weiser?
In half of years the last spring frost (32°) comes by April 23 and the first fall frost by October 13, about 174 frost-free days, at Weiser, ID.
What growing zone is Weiser in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Weiser?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Weiser getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 51% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Weiser.
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.