Temperature
Cool by day, brisk at night.
63°Ftypical May high
Typical range
May climate
May in Skagit Valley
United States · North America
Cool days and some sun.
Good overall
Daytime high
63°F
Lows around 50°F
Rain
Frequent rain
Sun
11 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 14 wet days, fewer than in most months.
45%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
11 hMay sunshine
Heat & humidity by month
Very dryMay Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In May, afternoons feel about 58° and nights feel near 48°.
FreezingVery coldColdCoolComfortableNight hours
Clear sky
Mostly cloudy skies this month.
34%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
4 mphMay Calm
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 61°F, easing to about 58°F in early evening.
Avg temp Typical range
Morning56°F
Rain33%
Cloud73%
Humid airLow
Sun intensityModerate
Midday59°F
Rain37%
Cloud73%
Humid airLow
Sun intensityStrong
Late afternoon61°F
Rain30%
Cloud66%
Humid airLow
Sun intensityModerate
Early evening58°F
Rain22%
Cloud59%
Humid airLow
Sun intensityLow
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 46 | 37 | 8.2 | 17 | 4.2 | 87 |
| Feb | 46 | 36 | 8.6 | 18 | 6.2 | 83 |
| Mar | 51 | 40 | 6.8 | 19 | 7.3 | 80 |
| Apr | 57 | 43 | 5.9 | 17 | 9.7 | 77 |
| May | 63 | 50 | 3.9 | 14 | 11.0 | 77 |
| Jun | 70 | 55 | 2.9 | 10 | 12.1 | 78 |
| Jul | 76 | 59 | 0.6 | 3 | 13.3 | 75 |
| Aug | 76 | 60 | 1.9 | 6 | 12.3 | 76 |
| Sep | 70 | 56 | 2.9 | 7 | 10.2 | 80 |
| Oct | 60 | 49 | 7.8 | 16 | 6.9 | 84 |
| Nov | 50 | 41 | 11.2 | 19 | 4.6 | 86 |
| Dec | 45 | 37 | 12.1 | 21 | 4.0 | 87 |
Similar climates
Similar
Similar travel styleNiagara FallsCanadaSimilar travel styleBledSloveniaSimilar travel styleNikkoJapanSimilar travel styleChiloeChile
Want a side-by-side climate view? Compare Skagit Valley with Niagara Falls.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology