Climateby Month

Leavenworth, WA climate by month

NOAA 1991-2020 normals · 1,171 ft elevation

Summers in Leavenworth are warm; winters are cold and snowy. Highs peak at 87°F in July and fall to 34°F in January. The wettest month is January (about 14 wet days) and the driest is August (about 2). Normal snowfall is about 80 in a year. The most comfortable time to visit is May and June.

Warmest month
87°F
July normal high
Coldest month
19°F
January normal low
Wet days a year
99
25.7 in of precipitation
Snow a year
80.2 in
normal snowfall

How warm is Leavenworth?

Normal highs range from 34°F in January to 87°F in July.

0°20°40°60°80°100° January: normal high 34°F (1°C), low 19°F (-7°C) 34° 19° February: normal high 42°F (6°C), low 21°F (-6°C) March: normal high 52°F (11°C), low 26°F (-3°C) April: normal high 61°F (16°C), low 32°F (0°C) May: normal high 71°F (22°C), low 40°F (4°C) June: normal high 77°F (25°C), low 46°F (8°C) July: normal high 87°F (31°C), low 51°F (11°C) 87° 51° August: normal high 87°F (31°C), low 50°F (10°C) September: normal high 78°F (26°C), low 42°F (6°C) October: normal high 62°F (17°C), low 33°F (1°C) November: normal high 44°F (7°C), low 26°F (-3°C) December: normal high 34°F (1°C), low 20°F (-7°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Leavenworth?

January has the most wet days (about 14); the year brings about 26 in of precipitation.

January: 14 wet days 14 February: 11 wet days March: 9 wet days April: 7 wet days May: 7 wet days June: 6 wet days July: 3 wet days August: 2 wet days 2 September: 4 wet days October: 9 wet days November: 14 wet days December: 14 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 80.2 in a year, most of it in December.

January: 22.1 in of snow February: 12.6 in of snow March: 4.7 in of snow April: 0.0 in of snow 0.0 May: 0.0 in of snow June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.3 in of snow November: 8.1 in of snow December: 32.4 in of snow 32.4 JFMAMJJASOND

How humid is Leavenworth?

Muggy days (dew point 65°F or higher) are rare in any month.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 0 muggy days July: 0 muggy days August: 0 muggy days September: 0 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Pangborn Memorial Airport, 26 mi ESE of the city center (the nearest airport with complete hourly records).

How much daylight?

Daylight ranges from about 8.5 hours in December to 15.9 hours in June.

January: 8.9 hours of daylight February: 10.3 hours of daylight March: 11.9 hours of daylight April: 13.7 hours of daylight May: 15.1 hours of daylight June: 15.9 hours of daylight 15.9 July: 15.5 hours of daylight August: 14.2 hours of daylight September: 12.6 hours of daylight October: 10.8 hours of daylight November: 9.3 hours of daylight December: 8.5 hours of daylight 8.5 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Leavenworth, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 34°F19°F 4.1 in14 22.1 in 0 8.9 h
February 42°F21°F 2.9 in11 12.6 in 0 10.3 h
March 52°F26°F 2.5 in9 4.7 in 0 11.9 h
April 61°F32°F 1.2 in7 0.0 in 0 13.7 h
May 71°F40°F 1.4 in7 0.0 in 0 15.1 h
June 77°F46°F 1.0 in6 0.0 in 0 15.9 h
July 87°F51°F 0.5 in3 0.0 in 0 15.5 h
August 87°F50°F 0.4 in2 0.0 in 0 14.2 h
September 78°F42°F 0.8 in4 0.0 in 0 12.6 h
October 62°F33°F 2.4 in9 0.3 in 0 10.8 h
November 44°F26°F 4.1 in14 8.1 in 0 9.3 h
December 34°F20°F 4.5 in14 32.4 in 0 8.5 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Leavenworth

By our comfort score, the best months are May and June.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 210925
Feb 35089
Mar 49263
Apr 671040
May 801932
Jun 781834
Jul 586114
Aug 545114
Sep 721725
Oct 621351
Nov 320910
Dec 2001126

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Leavenworth

The last spring frost typically comes around May 10, and the first fall frost around Sep 30, leaving 142 frost-free days in a typical year.

Frost and freeze dates for Leavenworth
Typical date1 year in 10
Last spring frost (32°F)May 10after May 28
First fall frost (32°F)Sep 30before Sep 18
Last hard freeze (28°F)Apr 25after May 9
First hard freeze (28°F)Oct 13before Oct 1
Frost-free season142 daysunder 123 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Leavenworth 3 S (USC00454572), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Washington.

Hottest and coldest readings, 1991-2020

The highest reading was 106°F (July 30, 2015, and 3 other days); the lowest was -18°F (January 31, 1996).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Leavenworth

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Leavenworth 3 S (USC00454572), 2.7 mi SSW of the city center, 1,128 ft . NOAA normals and daily records, 1991-2020.
  • Snow depth: Wenatchee (USC00459074), 20 mi SE of the city center, 626 ft (545 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Wenatchee Pangborn Airport (USW00094239), 26 mi ESE of the city center, 1,229 ft (58 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Pangborn Memorial Airport (727825-94239), 26 mi ESE of the city center, 1,239 ft (68 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error