Alliance weather by month & the best time to visit
United States · alpine / mountain town · humid subtropical climate
The best time to visit Alliance is September — its sunniest month (Sunshine Score 89/100), with August and July close behind. Alliance averages about 2,960 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 42 mm of rain in September.
When is the best time to visit Alliance?
For sunshine, the best time to visit Alliance is September, then August and July. The dullest month is January (0/100, 7 mm of rain). The full month-by-month picture is in the table below.
How sunny is Alliance?
Alliance gets a lot of sun: around 2,960 hours a year. 89 Sunshine Score points separate September (89) from January (0), so the month you pick matters. It ranks #93 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around June, carries about 49% of the annual 480 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 3° / 37°F | -8° / 18°F | 7 mm | 2 |
| February | 0 | 4° / 39°F | -8° / 18°F | 11 mm | 3 |
| March | 23 | 11° / 52°F | -3° / 27°F | 24 mm | 4 |
| April | 57 | 16° / 61°F | 1° / 34°F | 59 mm | 6 |
| May | 81 | 21° / 70°F | 7° / 45°F | 82 mm | 7 |
| June | 82 | 28° / 82°F | 14° / 57°F | 78 mm | 9 |
| July | 83 | 32° / 90°F | 18° / 64°F | 73 mm | 9 |
| August | 86 | 30° / 86°F | 16° / 61°F | 55 mm | 8 |
| September | 89 | 25° / 77°F | 10° / 50°F | 42 mm | 6 |
| October | 61 | 16° / 61°F | 2° / 36°F | 29 mm | 4 |
| November | 8 | 9° / 48°F | -3° / 27°F | 11 mm | 2 |
| December | 0 | 3° / 37°F | -7° / 19°F | 9 mm | 1 |
Nearest destinations
Alliance: questions and answers
What kind of destination is Alliance?
Alliance is a alpine / mountain town in United States at 1,196 m elevation with a humid subtropical climate.
How many hours of sunshine does Alliance get a year?
Alliance gets about 2,960 hours of sunshine a year, at its best around September.
When is the best time to visit Alliance?
The sunniest time to visit Alliance is September, when the Sunshine Score peaks at 89/100 (with August and July close behind). Expect daytime highs around 25°C / 77°F.
What is the least sunny month in Alliance?
January is the least sunny month in Alliance, scoring 0/100 with about 7 mm of rain.
How strong is the sun in Alliance?
The typical midday UV index in Alliance peaks around 9 (very high) in June, easing to about 1 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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