Riverton weather by month & the best time to visit
United States · alpine / mountain town · hot-summer continental climate
The best time to visit Riverton is July — its sunniest month (Sunshine Score 94/100), with August and June close behind. Riverton averages about 3,100 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 21 mm of rain in July.
When is the best time to visit Riverton?
For sunshine, the best time to visit Riverton is July, then August and June. The dullest month is January (0/100, 17 mm of rain). The full month-by-month picture is in the table below.
How sunny is Riverton?
Riverton is one of the sunniest places on Earth: about 3,100 hours of sunshine a year. 94 Sunshine Score points separate July (94) from January (0), so the month you pick matters. It ranks #76 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 361 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 | -7° / 19°F | 17 mm | 1 |
| February | 0 | 4° / 39°F | -7° / 19°F | 23 mm | 2 |
| March | 8 | 9° / 48°F | -3° / 27°F | 32 mm | 4 |
| April | 37 | 13° / 55°F | 0° / 32°F | 46 mm | 5 |
| May | 78 | 19° / 66°F | 5° / 41°F | 66 mm | 7 |
| June | 92 | 27° / 81°F | 11° / 52°F | 31 mm | 9 |
| July | 94 | 32° / 90°F | 16° / 61°F | 21 mm | 9 |
| August | 94 | 30° / 86°F | 14° / 57°F | 20 mm | 8 |
| September | 92 | 24° / 75°F | 9° / 48°F | 31 mm | 6 |
| October | 53 | 15° / 59°F | 2° / 36°F | 32 mm | 4 |
| November | 0 | 8° / 46°F | -3° / 27°F | 20 mm | 2 |
| December | 0 | 2° / 36°F | -8° / 18°F | 22 mm | 1 |
Nearest destinations
Riverton: questions and answers
What kind of destination is Riverton?
Riverton is a alpine / mountain town in United States at 1,668 m elevation with a hot-summer continental climate.
How many hours of sunshine does Riverton get a year?
Riverton gets about 3,100 hours of sunshine a year, at its best around July.
When is the best time to visit Riverton?
The sunniest time to visit Riverton is July, when the Sunshine Score peaks at 94/100 (with August and June close behind). Expect daytime highs around 32°C / 90°F.
What is the least sunny month in Riverton?
January is the least sunny month in Riverton, scoring 0/100 with about 17 mm of rain.
How strong is the sun in Riverton?
The typical midday UV index in Riverton 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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