Mill Plain Weather in May
Mill Plain in May
The short of it: Mill Plain in May averages a high of 21 °C (69 °F) and a low of 8 °C (47 °F), with 82 mm (3.2 in) of rain and about 14 h 54 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 69° · low 47° · rain 3.2 in. · daylight 14 h 54 min
✦✦✦ Fair for a visit · best months: July & August
Thirty years of records give Mill Plain an average May high of 69°, a low of 47° and some 3.2 in. of rain. Highs rise 7° against April, to near 69°; nights run about 47°. Wet spells are common — about 3.2 in., the 8th wettest month.
The sun is up for about 14 h 54 min in mid-May, 86 minutes more than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Mill Plain runs warmer than most and wetter than most in May. Orchards, 4 mi to the WNW, sees much the same highs.
May in Mill Plain, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 8th wettest of 12
- Versus April
- 7° warmer, 1.2 in. less rain
- Versus June
- 5° colder
- Day–night spread
- 23°
- Snow season
- seldom any
- Daylight, mid-month
- 14 h 54 min
- Average wind
- 7 mph
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| OrchardsWashington | 4 mi WNW | 69° | 47° | 2.9 in. |
| Five CornersWashington | 5 mi NW | 69° | 47° | 3.0 in. |
| Walnut GroveWashington | 5 mi WNW | 69° | 47° | 2.9 in. |
| CamasWashington | 6 mi SE | 68° | 46° | 3.6 in. |
| MinnehahaWashington | 7 mi W | 69° | 47° | 2.6 in. |
| FairviewOregon | 8 mi SSE | 70° | 47° | 3.3 in. |
| WashougalWashington | 8 mi ESE | 69° | 47° | 3.3 in. |
| VancouverWashington | 8 mi W | 69° | 47° | 2.6 in. |