Thief River Falls weather by month & the best time to visit
United States · small town · hot-summer continental climate
The best time to visit Thief River Falls is August — its sunniest month (Sunshine Score 81/100), with September and July close behind. Thief River Falls averages about 2,527 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 67 mm of rain in August.
When is the best time to visit Thief River Falls?
For sunshine, the best time to visit Thief River Falls is August, then September and July. The dullest month is January (0/100, 14 mm of rain). The full month-by-month picture is in the table below.
How sunny is Thief River Falls?
Thief River Falls gets a lot of sun: around 2,527 hours a year. 81 Sunshine Score points separate August (81) from January (0), so the month you pick matters. It ranks #194 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 44% of the annual 577 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -9° / 16°F | -19° / -2°F | 14 mm | 1 |
| February | 0 | -7° / 19°F | -18° / 0°F | 14 mm | 2 |
| March | 0 | 2° / 36°F | -9° / 16°F | 27 mm | 3 |
| April | 29 | 12° / 54°F | -1° / 30°F | 38 mm | 4 |
| May | 73 | 19° / 66°F | 6° / 43°F | 78 mm | 5 |
| June | 75 | 24° / 75°F | 12° / 54°F | 104 mm | 6 |
| July | 80 | 28° / 82°F | 16° / 61°F | 74 mm | 7 |
| August | 81 | 26° / 79°F | 14° / 57°F | 67 mm | 6 |
| September | 81 | 21° / 70°F | 9° / 48°F | 67 mm | 4 |
| October | 21 | 11° / 52°F | 1° / 34°F | 55 mm | 2 |
| November | 0 | 2° / 36°F | -6° / 21°F | 18 mm | 1 |
| December | 0 | -6° / 21°F | -15° / 5°F | 21 mm | 0 |
Nearest destinations
Thief River Falls: questions and answers
What kind of destination is Thief River Falls?
Thief River Falls is a small town in United States at 338 m elevation with a hot-summer continental climate.
How many hours of sunshine does Thief River Falls get a year?
Thief River Falls gets about 2,527 hours of sunshine a year, at its best around August.
When is the best time to visit Thief River Falls?
The sunniest time to visit Thief River Falls is August, when the Sunshine Score peaks at 81/100 (with September and July close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Thief River Falls?
January is the least sunny month in Thief River Falls, scoring 0/100 with about 14 mm of rain.
How strong is the sun in Thief River Falls?
The typical midday UV index in Thief River Falls peaks around 7 (high) in July, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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