Twin Falls weather by month & the best time to visit
United States · alpine / mountain town · Mediterranean climate
The best time to visit Twin Falls is June — its sunniest month (Sunshine Score 93/100), with September and May close behind. Twin Falls averages about 3,018 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 21 mm of rain in June.
When is the best time to visit Twin Falls?
For sunshine, the best time to visit Twin Falls is June, then September and May. The dullest month is January (0/100, 42 mm of rain). The full month-by-month picture is in the table below.
How sunny is Twin Falls?
Twin Falls is one of the sunniest places on Earth: about 3,018 hours of sunshine a year. 93 Sunshine Score points separate June (93) from January (0), so the month you pick matters. It ranks #83 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 384 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 | 3° / 37°F | -6° / 21°F | 42 mm | 1 |
| February | 0 | 5° / 41°F | -5° / 23°F | 31 mm | 2 |
| March | 22 | 11° / 52°F | -1° / 30°F | 40 mm | 4 |
| April | 52 | 15° / 59°F | 1° / 34°F | 44 mm | 6 |
| May | 89 | 21° / 70°F | 6° / 43°F | 45 mm | 7 |
| June | 93 | 28° / 82°F | 11° / 52°F | 21 mm | 9 |
| July | 66 | 35° / 95°F | 18° / 64°F | 11 mm | 9 |
| August | 85 | 33° / 91°F | 16° / 61°F | 14 mm | 8 |
| September | 93 | 26° / 79°F | 11° / 52°F | 19 mm | 6 |
| October | 69 | 17° / 63°F | 4° / 39°F | 29 mm | 4 |
| November | 8 | 9° / 48°F | -2° / 28°F | 34 mm | 2 |
| December | 0 | 3° / 37°F | -6° / 21°F | 54 mm | 1 |
Nearest destinations
Twin Falls: questions and answers
What kind of destination is Twin Falls?
Twin Falls is a alpine / mountain town in United States at 1,259 m elevation with a Mediterranean climate.
How many hours of sunshine does Twin Falls get a year?
Twin Falls gets about 3,018 hours of sunshine a year, at its best around June.
When is the best time to visit Twin Falls?
The sunniest time to visit Twin Falls is June, when the Sunshine Score peaks at 93/100 (with September and May close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Twin Falls?
January is the least sunny month in Twin Falls, scoring 0/100 with about 42 mm of rain.
How strong is the sun in Twin Falls?
The typical midday UV index in Twin Falls peaks around 9 (very high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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