Less rain and snow falls on Lowman than on 87% of U.S. towns: 27 inches a year
The warmest part of a July day comes in at 84° on average. Winter nights are cold: in January they are colder than in 86% of U.S. towns. Warming shows here too: 1.4° more than in 1901–2000, led by January. Homes need heating from October to May, the months averaging under 50°.
A year in Lowman at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lowman’s climate
Compared with towns across the U.S., with Lowman’s place in Idaho beside it.
What a year in Lowman feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 87 frost-free days a year
In half of years the last 32° night comes by June 6 and the first by September 4. Frost and day counts come from NOAA’s station at Lowman, ID, 0.7 miles from the town’s center, 210 ft lower.
The 2023 USDA map puts Lowman’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −10°. 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 27 inches of rain a year
December is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Lowman
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 Lowman, ID.
Living with Lowman’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
87 frost-free days in zone 6a. The last frost comes by Jun 6 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 4.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 1.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lowman from natural hazards, river flooding is the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lowman and similar climates
TownRatings has no climate map of the towns around Lowman 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 Lowman averaged 1.4° warmer than the 1900s. The biggest change is in January (+3.3°).
A bigger shift than in 54% 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 Lowman compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lowman’s place among Idaho’s.
Lowman weather by month
Highs, lows and precipitation from NOAA’s grid at Lowman’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 34° | 14° | 4.1" | 19° – 30° |
| February | 39° | 16° | 2.9" | 24° – 34° |
| March | 47° | 23° | 3.0" | 30° – 41° |
| April | 54° | 28° | 2.3" | 35° – 48° |
| May | 64° | 35° | 1.9" | 43° – 55° |
| June | 73° | 41° | 1.5" | 53° – 64° |
| July | 84° | 46° | 0.4" | 54° – 70° |
| August | 83° | 44° | 0.5" | 58° – 68° |
| September | 74° | 37° | 0.9" | 51° – 59° |
| October | 59° | 29° | 1.9" | 37° – 50° |
| November | 42° | 22° | 3.1" | 24° – 39° |
| December | 32° | 14° | 4.7" | 18° – 27° |
| Year | 57° | 29° | 27.1" |
How much a month can swing
A normal is an average. July swings the most: from 1991 to 2020 its average ranged from 54° to 70°. September is the most reliable, staying within 8°.
Where Lowman’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 Lowman’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Lowman, ID, 0.7 miles from the town’s center, 210 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 Lowman’s climate
What is the weather like in Lowman?
A typical July afternoon reaches 84°, a January night drops to 14°. Colder January nights than 86% of U.S. towns; cooler July afternoons than 65% of U.S. towns.
How cold does it get in Lowman in winter?
January nights average 14°. About 211 nights a year reach 32° or below and 10 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How hot does it get in Lowman?
July, with a typical high of 84° and a low of 46°. About 23 days a year reach 90° (Lowman, ID).
When is the first and last frost in Lowman?
In half of years the last spring frost (32°) comes by June 6 and the first fall frost by September 4, about 87 frost-free days, at Lowman, ID.
What growing zone is Lowman in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.
What is the best time of year to visit Lowman?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lowman getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lowman.
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.