




Sumner
Sumner is a small town in Washington, United States. It has a population of about 10,621 (2020). The climate is classified as warm-summer Mediterranean (Köppen Csb), with dry, sunny summers and mild, wetter winters.
Best: Jul–Sep. Warmth, sunshine and dry days, month by month.
Sumner at a glance
The months with the highest weather score
Average high in August
Average low in December
124 mm of rain
25 mm of rain
within 12 km
Weather in Sumner
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 1 km/h · humidity 92%
When to go to Sumner
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 15 | 18 | 30 | 46 | 62 | 66 | 86 | 85 | 75 | 52 | 22 | 15 |
| High | 48° | 50° | 55° | 60° | 66° | 71° | 77° | 77° | 71° | 61° | 52° | 47° |
| Low | 36° | 36° | 39° | 42° | 48° | 52° | 56° | 56° | 51° | 45° | 39° | 36° |
| Rain (mm) | 168 | 115 | 124 | 96 | 76 | 62 | 25 | 26 | 50 | 112 | 195 | 168 |
| Wet days | 20 | 18 | 22 | 18 | 15 | 13 | 6 | 6 | 11 | 16 | 21 | 21 |
What's on in Sumner
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Sumner
Outdoors around Sumner
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Sumner
Wildlife in October
The birds and mammals of United States seen most this month, compared with the rest of their year.
The sky over Sumner
Earthquakes around Sumner
The last 30 days within 300 km, and the record since 1950.
Strongest nearby since 1950
Towns and villages around Sumner
Each with its own page: weather, climate and the best time to visit.
Sumner from above
Postal code
Getting to Sumner
Places near Sumner
Places with a climate like Sumner
Matched month by month on temperature, rain and sunshine.