Vancouver weather in May: Vancouver, Washington: normal highs, lows, rain and records for May
Vancouver in May has a normal high of 68°F and a normal low of 48°F, a daily mean of 58°F, rising from 65°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 13 days in a normal May, 2.51 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 9°C, 64 mm of precipitation in May.
- NOAA stationVancouver Pearson Airport
- Station IDUSW00094298
- Location45.62°N 122.66°W
- Elevation30 ft (9 m)
- From the center3 miles
- Population198,992
- Jan 47° 34°
- Feb 51° 35°
- Mar 56° 38°
- Apr 61° 42°
- May 68° 48°
- Jun 74° 53°
- Jul 81° 57°
- Aug 82° 57°
- Sep 76° 52°
- Oct 64° 45°
- Nov 53° 39°
- Dec 47° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Vancouver in May?
The normal high is 68°F and the normal low 48°F, for a daily mean of 58.3°F. May is 6.6°F warmer than April and 5.0°F cooler than June. May is the 5th warmest month of the year in Vancouver and the 8th wettest. Across the month the normal high rises 6°F, from 65°F on May 1 to 71°F on May 31. From one year to the next May's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Mays in three average between 56°F and 61°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 65°F | 45°F | 47% | 25% |
| May 8 | 67°F | 47°F | 44% | 24% |
| May 15 | 68°F | 48°F | 43% | 24% |
| May 22 | 70°F | 50°F | 41% | 23% |
| May 31 | 71°F | 51°F | 38% | 21% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 65°F | 45°F | 47% | 25% | 14 h 20 min |
| May 2 | 66°F | 45°F | 47% | 25% | 14 h 20 min |
| May 3 | 66°F | 45°F | 46% | 25% | 14 h 20 min |
| May 4 | 66°F | 46°F | 46% | 25% | 14 h 20 min |
| May 5 | 66°F | 46°F | 45% | 25% | 14 h 30 min |
| May 6 | 67°F | 46°F | 45% | 24% | 14 h 30 min |
| May 7 | 67°F | 46°F | 45% | 24% | 14 h 30 min |
| May 8 | 67°F | 47°F | 44% | 24% | 14 h 30 min |
| May 9 | 67°F | 47°F | 44% | 24% | 14 h 40 min |
| May 10 | 67°F | 47°F | 44% | 24% | 14 h 40 min |
| May 11 | 68°F | 47°F | 43% | 24% | 14 h 40 min |
| May 12 | 68°F | 47°F | 43% | 24% | 14 h 50 min |
| May 13 | 68°F | 48°F | 43% | 24% | 14 h 50 min |
| May 14 | 68°F | 48°F | 43% | 24% | 14 h 50 min |
| May 15 | 68°F | 48°F | 43% | 24% | 14 h 50 min |
| May 16 | 69°F | 48°F | 43% | 24% | 14 h 50 min |
| May 17 | 69°F | 49°F | 43% | 24% | 15 h |
| May 18 | 69°F | 49°F | 42% | 24% | 15 h |
| May 19 | 69°F | 49°F | 42% | 24% | 15 h |
| May 20 | 69°F | 49°F | 42% | 24% | 15 h |
| May 21 | 69°F | 49°F | 42% | 23% | 15 h 10 min |
| May 22 | 70°F | 50°F | 41% | 23% | 15 h 10 min |
| May 23 | 70°F | 50°F | 41% | 23% | 15 h 10 min |
| May 24 | 70°F | 50°F | 41% | 23% | 15 h 10 min |
| May 25 | 70°F | 50°F | 40% | 22% | 15 h 10 min |
| May 26 | 70°F | 50°F | 40% | 22% | 15 h 20 min |
| May 27 | 70°F | 50°F | 40% | 22% | 15 h 20 min |
| May 28 | 70°F | 51°F | 39% | 21% | 15 h 20 min |
| May 29 | 70°F | 51°F | 39% | 21% | 15 h 20 min |
| May 30 | 70°F | 51°F | 39% | 21% | 15 h 20 min |
| May 31 | 71°F | 51°F | 38% | 21% | 15 h 20 min |
- Normal high
- 68°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 2.51 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 20 min to 15 h 20 minMay 1 to May 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 4
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094298; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Vancouver in May?
On a given May day the chance of 0.01 inch or more is 43% on average, highest around May 1 (47%). In all, 2.51 in falls on 13 days of a normal May.
In a normal May in Vancouver, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094298.
What are the records for May in Vancouver?
The warmest May temperature on Vancouver's official record (since 1891) is 99°F, on May 29, 1983; the coldest is 28°F, on May 12, 1985. The wettest May brought 5.71 in (1998).
The May mean against the 1991-2020 normal of 58.3°F: 2021 59.3°F (+1.0), 2022 55.7°F (−2.6), 2023 62.7°F (+4.4), 2024 57.6°F (−0.6), 2025 58.6°F (+0.3), 2026 60.9°F (+2.6). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.3°F | +1.0°F | 1.04 in |
| 2022 | 55.7°F | −2.6°F | 4.06 in |
| 2023 | 62.7°F | +4.4°F | 0.94 in |
| 2024 | 57.6°F | −0.6°F | 2.41 in |
| 2025 | 58.6°F | +0.3°F | 1.37 in |
| 2026 | 60.9°F | +2.6°F | 0.75 in |
Source: records: ACIS, NWS threaded record VUOthr; recent months: ACIS, station USW00094298. Records and recent months use complete months only.
How does May in Vancouver compare across Washington?
Across the 96 places PlainClimate covers in Washington, May normal highs run from 59°F in Long Beach to 77°F in Pasco; Vancouver's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.