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Redmond City ParkRedmond City Park · Photo: Joe Mabel · CC BY-SA 3.0
Climate in Redmond · NOAA 1991–2020 normals

Redmond’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 76°, a January night drops to 36°, and about 4 inches of snow falls in a normal winter.

Milder January nights than 83% of U.S. towns#26Mildest winters  of 265 in WA
Less snow than 72% of U.S. towns#97Least snow  of 253 in WA
All WA rankings →

A year in Redmond at a glance

Each month’s typical high and low, and what it brings.

Jan47°36°
Feb50°36°
Mar54°38° Last frost ~Mar 8
Apr59°41°
May66°47°
Jun70°51°
Jul76°55° 1 day 90°+
Aug77°55° 1 day 90°+
Sep71°51°
Oct60°45°
Nov now51°39° First frost ~Nov 23Wettest
Dec46°35°

What stands out about Redmond’s climate

Compared with towns across the U.S., with Redmond’s place in Washington beside it.

A normal year

What a year in Redmond feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
48° / 36°
2 days with 1"+ of snow
Spring
60° / 42°
Last frost around Mar 8
Summer
74° / 54°
2 days reach 90°
Fall
61° / 45°
First frost around Nov 23
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 259 frost-free days a year

In half of years the last 32° night comes by March 8 and the first by November 23. Frost and day counts come from NOAA’s station at Seattle Sand Pt Wsfo, WA, 7 miles from the city’s center point, 110 ft lower.

25
nights at or below 32° in a normal year
20th fewest of 265 in Washington
Fewer freezing nights than 86% of U.S. towns
0
nights at or below 0°
None in a normal year
2
days that reach 90°
82nd fewest of 265 in Washington
Fewer 90° days than 96% of U.S. towns
<1
days that reach 100°
115th fewest of 265 in Washington
Fewer 100° days than 68% of U.S. towns
8bUSDA zone
Plant hardiness zone 8b

The 2023 USDA map puts Redmond’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

7
JFMAMJJASOND

90° days by month

Average days at 90° or more

1.0
JFMAMJJASOND
Rain & snow

About 4 inches of snow a winter

Snow, measured at Seattle Sand Pt Wsfo, WA, falls mostly in December. Precipitation (rain plus melted snow) adds up to 40 inches a year; November is the wettest month and July the driest. Rain or snow falls on about 163 days a year.

40"
Rain + melted snow a year
119th driest of 265 in Washington
Drier than 59% of U.S. towns
3.8"
Snow in a normal winter
97th least snowy of 253 in Washington
Less snow than 72% of U.S. towns
2 days
With 1"+ of snow on the ground
81st fewest of 238 in Washington
Fewer days with snow on the ground than 68% of U.S. towns

Rain + melted snow by month

Inches of water

6.1"
JFMAMJJASOND

Snowfall by month

Inches of snow

2"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Redmond

96% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

4,483 heating degree daysLess heating than 66% of U.S. towns
211 cooling degree daysLess cooling than 97% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Seattle Sand Pt Wsfo, WA.

Living here

Living with Redmond’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

259 frost-free days in zone 8b. The last frost comes by Mar 8 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 23.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 45 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Redmond from natural hazards, earthquakes are the largest share (77%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Redmond and its neighbors

Every town next door is within a degree of Redmond in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Ames Lake: January low 36°, July high 75°Medina: January low 37°, July high 77°Beaux Arts Village: January low 36°, July high 77°Issaquah: January low 36°, July high 77°Newcastle: January low 36°, July high 77°Clyde Hill: January low 37°, July high 77°Mercer Island: January low 37°, July high 77°Kenmore: January low 36°, July high 76°Seattle: January low 37°, July high 77°Yarrow Point: January low 37°, July high 77°Woodinville: January low 36°, July high 75°Bothell: January low 36°, July high 76°Maltby: January low 35°, July high 74°High Bridge: January low 35°, July high 75°Union Hill-Novelty Hill: January low 36°, July high 75°Bellevue: January low 36°, July high 76°Kirkland: January low 36°, July high 76°Sammamish: January low 36°, July high 76°Cottage Lake: January low 36°, July high 75°Redmond: January low 36°, July high 76°RedmondUnion Hill-Novelty HillBellevueKirklandSammamishCottage Lake
ColderMilder35° to 37°
Union Hill-Novelty Hill35.6° about the same
Cottage Lake35.6° about the same
Sammamish35.8° about the same
Redmond36.0°
Bellevue36.2° about the same
Kirkland36.2° about the same

Climates most like Redmond’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.

TownJan. lowJuly highPrecip.Snow
Redmond, WA36°76°40"3.8"
West Haven-Sylvan, OR36°80°44"3.6"
Fairfax, CA41°76°38"0.0"
Nantucket, MA26°76°44"25"
Brigantine, NJ28°83°45"10"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Redmond averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.4°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 81% of U.S. towns.

Winter+1.0°now 42°, was 41°
Spring+0.8°now 51°, was 50°
Summer+1.3°now 64°, was 63°
Fall+0.7°now 53°, was 52°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Redmond compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Redmond’s place among Washington’s.

Summer heat76° July high
Cooler July afternoons than 98% of U.S. towns85th coolest of 265 in Washington
Winter cold36° January low
Milder January nights than 83% of U.S. towns26th mildest of 265 in Washington
Precipitation40" a year
Drier than 59% of U.S. towns119th driest of 265 in Washington
Snow3.8" a winter
Less snow than 72% of U.S. towns97th least snowy of 253 in Washington
Hot days2 days at 90°+
Fewer 90° days than 96% of U.S. towns82nd fewest of 265 in Washington
Freezing nights25 a year
Fewer freezing nights than 86% of U.S. towns20th fewest of 265 in Washington
Growing season259 frost-free days
A longer frost-free season than 92% of U.S. towns7th longest of 265 in Washington
Month by month

Redmond weather by month

Highs, lows and precipitation from NOAA’s grid at Redmond’s center; snow, wet days and snow on the ground from Seattle Sand Pt Wsfo, WA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January47°36°5.4"0.9"19137° – 46°
February50°36°3.8"1.0"16136° – 48°
March54°38°4.3"0.0"18042° – 50°
April59°41°3.2"0.0"16046° – 56°
May66°47°2.3"0.0"12052° – 60°
June70°51°1.9"0.0"11057° – 66°
July76°55°0.8"0.0"5061° – 70°
August77°55°1.0"0.0"6062° – 68°
September71°51°1.8"0.0"9058° – 64°
October60°45°4.1"0.0"15049° – 57°
November51°39°6.1"0.2"19041° – 50°
December46°35°5.7"1.7"20137° – 44°
Year60°44°40.4"3.8"1632
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 36° to 48°. September is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Redmond’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 Redmond’s center.
  • Snow: Seattle Sand Pt Wsfo, WA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Seattle Sand Pt Wsfo, WA, 7 miles from the city’s center point, 110 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 Redmond’s climate

What is the weather like in Redmond?

A typical July afternoon reaches 76°, a January night drops to 36°, and about 4 inches of snow falls in a normal winter. Milder January nights than 83% of U.S. towns; cooler July afternoons than 98% of U.S. towns.

How cold does it get in Redmond in winter?

December nights average 35°. About 25 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 37°.

How much snow does Redmond get?

About 3.8 inches in a normal winter at Seattle Sand Pt Wsfo, WA, most of it in December, with snow on the ground about 2 days a year.

How hot does it get in Redmond?

July, with a typical high of 76° and a low of 55°. About 2 days a year reach 90° (Seattle Sand Pt Wsfo, WA).

When is the first and last frost in Redmond?

In half of years the last spring frost (32°) comes by March 8 and the first fall frost by November 23, about 259 frost-free days, at Seattle Sand Pt Wsfo, WA.

What growing zone is Redmond in?

Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.

What is the best time of year to visit Redmond?

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 Redmond getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 81% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Redmond.

Town Square →
Ask your neighbors

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.