Photo: Bouldernavigator · CC BY-SA 3.0Reardan is drier than 92% of U.S. towns: 17 inches of precipitation a year
Midsummer highs settle at about 83°. Summers stay cool: July afternoons here are cooler than in 68% of U.S. towns. The latest 30-year average runs 0.8° warmer than 1901–2000’s, with January up the most. The outdoor season runs from May to September, with highs of 66–83°.
A year in Reardan at a glance
Each month’s typical high and low, and what it brings.
What stands out about Reardan’s climate
Compared with towns across the U.S., with Reardan’s place in Washington beside it.
What a year in Reardan feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 94 frost-free days a year
In half of years the last 32° night comes by June 6 and the first by September 11. Frost and day counts come from NOAA’s station at Davenport, WA, 13 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Reardan’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. 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 48 inches of snow a winter
Snow, measured at Spokane Wfo, WA, falls mostly in December. Precipitation (rain plus melted snow) adds up to 17 inches a year; December is the wettest month and August the driest. Rain or snow falls on about 116 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Reardan
97% 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 Davenport, WA.
Living with Reardan’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
94 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 11.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Reardan from natural hazards, wildfire is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 19%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Reardan and similar climates
TownRatings has no climate map of the towns around Reardan yet.
Climates most like Reardan’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 |
|---|---|---|---|---|
| Reardan, WA | 22° | 83° | 17" | 48" |
| Kalispell, MT | 18° | 83° | 16" | 54" |
| Los Alamos, NM | 19° | 85° | 15" | 42" |
| Klamath Falls, OR | 22° | 86° | 14" | 52" |
| Castle Rock, CO | 18° | 85° | 18" | 58" |
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 Reardan averaged 0.8° warmer than the 1900s. The biggest change is in January (+3.7°).
A smaller shift than in 91% 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 Reardan compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Reardan’s place among Washington’s.
Reardan weather by month
Highs, lows and precipitation from NOAA’s grid at Reardan’s center; snow, wet days and snow on the ground from Spokane Wfo, WA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 33° | 22° | 1.9" | 13.0" | 14 | 19 | 19° – 35° |
| February | 39° | 24° | 1.3" | 6.8" | 11 | 13 | 19° – 39° |
| March | 48° | 28° | 1.7" | 4.6" | 13 | 5 | 31° – 44° |
| April | 56° | 33° | 1.4" | 1.3" | 10 | 0 | 39° – 51° |
| May | 66° | 41° | 1.5" | 0.3" | 10 | 0 | 48° – 58° |
| June | 73° | 46° | 1.4" | 0.0" | 8 | 0 | 55° – 67° |
| July | 83° | 51° | 0.5" | 0.0" | 3 | 0 | 59° – 72° |
| August | 83° | 51° | 0.4" | 0.0" | 4 | 0 | 61° – 69° |
| September | 73° | 43° | 0.6" | 0.1" | 5 | 0 | 54° – 63° |
| October | 57° | 34° | 1.4" | 0.5" | 10 | 0 | 40° – 52° |
| November | 41° | 27° | 2.1" | 6.1" | 13 | 4 | 26° – 42° |
| December | 32° | 22° | 2.3" | 15.5" | 15 | 15 | 20° – 33° |
| Year | 57° | 35° | 16.5" | 48.2" | 116 | 56 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 19° to 39°. August is the most reliable, staying within 9°.
Where Reardan’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 Reardan’s center.
- Snow: Spokane Wfo, WA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Davenport, WA, 13 miles from the town’s center, 170 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 Reardan’s climate
What is the weather like in Reardan?
A typical July afternoon reaches 83°, a January night drops to 22°, and about 48 inches of snow falls in a normal winter. Milder January nights than 52% of U.S. towns; cooler July afternoons than 68% of U.S. towns.
How cold does it get in Reardan in winter?
December nights average 22°. About 175 nights a year reach 32° or below and 5 reach 0° or below. In the coldest December of the last 30 years the month averaged 20°.
How much snow does Reardan get?
About 48 inches in a normal winter at Spokane Wfo, WA, most of it in December, with snow on the ground about 56 days a year.
How hot does it get in Reardan?
July, with a typical high of 83° and a low of 51°. About 18 days a year reach 90° (Davenport, WA).
When is the first and last frost in Reardan?
In half of years the last spring frost (32°) comes by June 6 and the first fall frost by September 11, about 94 frost-free days, at Davenport, WA.
What growing zone is Reardan in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.
What is the best time of year to visit Reardan?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Reardan getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 91% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Reardan.
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.