Roundup
Roundup is a village in Montana, United States, 3,215 ft above sea level. It has a population of about 1,742 (2020). The climate is classified as cold semi-arid (Köppen BSk), with little rain, large day–night swings and strong sunshine.
Best: May · Sep–Oct. Warmth, sunshine and dry days, month by month.
Roundup at a glance
The months with the highest weather score
Average high in July
Average low in January
65 mm of rain
10 mm of rain
within 0.3 km
Weather in Roundup
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Sunny · wind 13 km/h · humidity 76%
When to go to Roundup
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 | 45 | 43 | 40 | 61 | 69 | 68 | 54 | 58 | 85 | 72 | 45 | 45 |
| High | 37° | 40° | 50° | 59° | 69° | 78° | 88° | 87° | 76° | 61° | 47° | 37° |
| Low | 14° | 15° | 22° | 31° | 40° | 48° | 54° | 52° | 43° | 32° | 22° | 15° |
| Rain (mm) | 10 | 10 | 20 | 34 | 65 | 65 | 43 | 27 | 30 | 27 | 12 | 12 |
| Wet days | 4 | 5 | 6 | 8 | 12 | 13 | 8 | 7 | 7 | 7 | 4 | 4 |
What's on in Roundup
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Roundup
More museums: Musselshell Valley Historical Museum
Outdoors around Roundup
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 Roundup
Wildlife in October
The birds and mammals of United States seen most this month, compared with the rest of their year.
The sky over Roundup
Earthquakes around Roundup
The last 30 days within 300 km, and the record since 1950.
Towns and villages around Roundup
Each with its own page: weather, climate and the best time to visit.
Roundup from above
Postal codes
Getting to Roundup
Places near Roundup
Places with a climate like Roundup
Matched month by month on temperature, rain and sunshine.
95% alikeFort Benton
94% alikeSheridan
95% alikeGeraldine
94% alikeLodge Grass
94% alikeLame Deer
92% alike