Climateby Month

Vancouver, WA climate by month

NOAA 1991-2020 normals · 191 ft elevation · also covers Gresham

Summers in Vancouver are warm; winters are chilly. Highs peak at 82°F in August and fall to 47°F in December. The wettest month is December (about 19 wet days) and the driest is July (about 4). Normal snowfall is about 4.2 in a year. The most comfortable time to visit is June.

Warmest month
82°F
August normal high
Coldest month
36°F
January normal low
Wet days a year
156
36.9 in of precipitation
Snow a year
4.2 in
normal snowfall

How warm is Vancouver?

Normal highs range from 47°F in December to 82°F in August.

30°40°50°60°70°80°90° January: normal high 48°F (9°C), low 36°F (2°C) February: normal high 52°F (11°C), low 37°F (3°C) March: normal high 57°F (14°C), low 40°F (4°C) April: normal high 62°F (17°C), low 44°F (7°C) May: normal high 69°F (21°C), low 49°F (9°C) June: normal high 74°F (23°C), low 54°F (12°C) July: normal high 82°F (28°C), low 59°F (15°C) 82° 59° August: normal high 82°F (28°C), low 59°F (15°C) September: normal high 77°F (25°C), low 54°F (12°C) October: normal high 64°F (18°C), low 47°F (8°C) November: normal high 54°F (12°C), low 41°F (5°C) December: normal high 47°F (8°C), low 36°F (2°C) 47° 36° JFMAMJJASOND

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

How rainy is Vancouver?

December has the most wet days (about 19); the year brings about 37 in of precipitation.

January: 19 wet days February: 16 wet days March: 18 wet days April: 17 wet days May: 13 wet days June: 9 wet days July: 4 wet days 4 August: 4 wet days September: 7 wet days October: 14 wet days November: 18 wet days December: 19 wet days 19 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 4.2 in a year, most of it in January.

January: 1.7 in of snow 1.7 February: 1.2 in of snow March: 0.1 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: 0.0 in of snow November: 0.0 in of snow December: 1.2 in of snow JFMAMJJASOND

How humid is Vancouver?

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 0 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 Portland International Airport, 3.9 mi SE of the city center.

How much daylight?

Daylight ranges from about 8.8 hours in December to 15.6 hours in June.

January: 9.2 hours of daylight February: 10.4 hours of daylight March: 11.9 hours of daylight April: 13.6 hours of daylight May: 14.9 hours of daylight June: 15.6 hours of daylight 15.6 July: 15.3 hours of daylight August: 14.1 hours of daylight September: 12.5 hours of daylight October: 10.9 hours of daylight November: 9.5 hours of daylight December: 8.8 hours of daylight 8.8 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Vancouver, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 48°F36°F 5.0 in19 1.7 in 0 9.2 h
February 52°F37°F 3.7 in16 1.2 in 0 10.4 h
March 57°F40°F 4.0 in18 0.1 in 0 11.9 h
April 62°F44°F 2.9 in17 0.0 in 0 13.6 h
May 69°F49°F 2.5 in13 0.0 in 0 14.9 h
June 74°F54°F 1.6 in9 0.0 in 0 15.6 h
July 82°F59°F 0.5 in4 0.0 in 0 15.3 h
August 82°F59°F 0.5 in4 0.0 in 0 14.1 h
September 77°F54°F 1.5 in7 0.0 in 0 12.5 h
October 64°F47°F 3.4 in14 0.0 in 0 10.9 h
November 54°F41°F 5.5 in18 0.0 in 0 9.5 h
December 47°F36°F 5.8 in19 1.2 in 0 8.8 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 Vancouver

By our comfort score, the best month is June.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 330125
Feb 39092
Mar 484110
Apr 60890
May 731570
Jun 801952
Jul 741425
Aug 701325
Sep 731842
Oct 591280
Nov 371121
Dec 320134

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 Vancouver

The last spring frost typically comes around Mar 13, and the first fall frost around Nov 19, leaving 247 frost-free days in a typical year.

Frost and freeze dates for Vancouver
Typical date1 year in 10
Last spring frost (32°F)Mar 13after Apr 1
First fall frost (32°F)Nov 19before Oct 29
Last hard freeze (28°F)Feb 16after Mar 6
First hard freeze (28°F)Dec 5before Nov 12
Frost-free season247 daysunder 219 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: Portland Intl Airport (USW00024229), 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 29, 2009, and 1 other day); the lowest was 11°F (January 13, 2017).

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

Near Vancouver

Similar climates elsewhere

Also covers

Gresham uses the same temperature and rain stations as Vancouver, so its monthly numbers are the ones on this page.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Portland Intl Airport (USW00024229), 4.4 mi SE of the city center, 19 ft (172 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Portland International Airport (726980-24229), 3.9 mi SE of the city center, 22 ft (169 ft lower 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