Butte weather by month & the best time to visit
United States · alpine / mountain town · continental climate
The best time to visit Butte is July — its sunniest month (Sunshine Score 89/100), with August and September close behind. Butte averages about 2,777 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 33 mm of rain in July.
When is the best time to visit Butte?
For sunshine, the best time to visit Butte is July, then August and September. The dullest month is January (0/100, 28 mm of rain). The full month-by-month picture is in the table below.
How sunny is Butte?
Butte gets a lot of sun: around 2,777 hours a year. 89 Sunshine Score points separate July (89) from January (0), so the month you pick matters. It ranks #119 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 528 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -1° / 30°F | -12° / 10°F | 28 mm | 1 |
| February | 0 | 0° / 32°F | -12° / 10°F | 32 mm | 2 |
| March | 0 | 5° / 41°F | -7° / 19°F | 40 mm | 4 |
| April | 7 | 9° / 48°F | -3° / 27°F | 58 mm | 5 |
| May | 48 | 15° / 59°F | 1° / 34°F | 74 mm | 6 |
| June | 81 | 21° / 70°F | 6° / 43°F | 79 mm | 8 |
| July | 89 | 27° / 81°F | 10° / 50°F | 33 mm | 9 |
| August | 89 | 26° / 79°F | 9° / 48°F | 37 mm | 7 |
| September | 88 | 20° / 68°F | 4° / 39°F | 41 mm | 5 |
| October | 22 | 11° / 52°F | -2° / 28°F | 39 mm | 3 |
| November | 0 | 4° / 39°F | -7° / 19°F | 34 mm | 1 |
| December | 0 | -2° / 28°F | -12° / 10°F | 33 mm | 1 |
Nearest destinations
Butte: questions and answers
What kind of destination is Butte?
Butte is a alpine / mountain town in United States at 1,684 m elevation with a continental climate.
How many hours of sunshine does Butte get a year?
Butte gets about 2,777 hours of sunshine a year, at its best around July.
When is the best time to visit Butte?
The sunniest time to visit Butte is July, when the Sunshine Score peaks at 89/100 (with August and September close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Butte?
January is the least sunny month in Butte, scoring 0/100 with about 28 mm of rain.
How strong is the sun in Butte?
The typical midday UV index in Butte peaks around 9 (very high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Butte sunshine badge on your site
A compact badge showing Butte's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: