Bliss reaches 100° on about 15 days a year, more than 93% of U.S. towns
The depth of winter brings overnight lows near 22°. It is a dry place: less rain and snow fall here than on 98% of U.S. towns. Warming shows here too: 1.3° more than in 1901–2000, led by January. Warm coats and heating bills mark the months from November to April, when means dip under 50°.
A year in Bliss at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bliss’ climate
Compared with towns across the U.S., with Bliss’ place in Idaho beside it.
What a year in Bliss feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 151 frost-free days a year
In half of years the last 32° night comes by May 3 and the first by October 1. Frost and day counts come from NOAA’s station at Hagerman 2 Sw, ID, 8 miles from the town’s center, 360 ft lower.
The 2023 USDA map puts Bliss’ 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 9 inches of rain a year
January is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Bliss
90% of the work is heating, so the furnace matters far more than the air conditioner. 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 Hagerman 2 Sw, ID.
Living with Bliss’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
151 frost-free days in zone 7a. The last frost comes by May 3 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 1.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 1.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Bliss from natural hazards, wildfire is the largest share (52%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Bliss and similar climates
TownRatings has no climate map of the towns around Bliss 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 Bliss averaged 1.3° warmer than the 1900s. The biggest change is in January (+3.0°).
A smaller shift than in 56% 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 Bliss compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bliss’ place among Idaho’s.
Bliss weather by month
Highs, lows and precipitation from NOAA’s grid at Bliss’ center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 37° | 22° | 1.4" | 21° – 37° |
| February | 43° | 25° | 0.8" | 26° – 42° |
| March | 54° | 31° | 1.0" | 37° – 48° |
| April | 62° | 36° | 0.8" | 44° – 54° |
| May | 73° | 43° | 0.9" | 52° – 64° |
| June | 82° | 50° | 0.5" | 61° – 74° |
| July | 93° | 57° | 0.2" | 65° – 80° |
| August | 91° | 55° | 0.1" | 68° – 76° |
| September | 80° | 47° | 0.4" | 59° – 68° |
| October | 65° | 37° | 0.6" | 44° – 57° |
| November | 49° | 28° | 1.1" | 31° – 45° |
| December | 37° | 22° | 1.3" | 24° – 35° |
| Year | 64° | 38° | 9.0" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 26° to 42°. August is the most reliable, staying within 8°.
Where Bliss’ 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 Bliss’ center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hagerman 2 Sw, ID, 8 miles from the town’s center, 360 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 Bliss’ climate
What is the weather like in Bliss?
A typical July afternoon reaches 93°, a January night drops to 22°. Milder January nights than 51% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Bliss in winter?
December nights average 22°. About 142 nights a year reach 32° or below and 1 reach 0° or below. In the coldest December of the last 30 years the month averaged 24°.
How hot does it get in Bliss?
July, with a typical high of 93° and a low of 57°. About 69 days a year reach 90° and 15 reach 100° (Hagerman 2 Sw, ID).
When is the first and last frost in Bliss?
In half of years the last spring frost (32°) comes by May 3 and the first fall frost by October 1, about 151 frost-free days, at Hagerman 2 Sw, ID.
What growing zone is Bliss 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 Bliss?
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 Bliss getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bliss.
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.