Koyukuk weather by month & the best time to visit
United States · small town · subarctic climate
The best time to visit Koyukuk is June — its sunniest month (Sunshine Score 74/100), with July close behind. Koyukuk averages about 2,016 hours of sunshine a year. Daytime highs around 19°C / 66°F and roughly 54 mm of rain in June.
When is the best time to visit Koyukuk?
For sunshine, the best time to visit Koyukuk is June, then July. The dullest month is January (0/100, 25 mm of rain). The full month-by-month picture is in the table below.
How sunny is Koyukuk?
Koyukuk gets a moderate 2,016 hours of sunshine a year. 74 Sunshine Score points separate June (74) from January (0), so the month you pick matters. It ranks #399 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around August, carries about 40% of the annual 543 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -20° / -4°F | -26° / -15°F | 25 mm | 0 |
| February | 0 | -14° / 7°F | -22° / -8°F | 34 mm | 0 |
| March | 0 | -11° / 12°F | -20° / -4°F | 23 mm | 1 |
| April | 0 | -1° / 30°F | -9° / 16°F | 32 mm | 2 |
| May | 28 | 12° / 54°F | 2° / 36°F | 36 mm | 3 |
| June | 74 | 19° / 66°F | 9° / 48°F | 54 mm | 4 |
| July | 71 | 19° / 66°F | 11° / 52°F | 73 mm | 3 |
| August | 50 | 16° / 61°F | 8° / 46°F | 85 mm | 3 |
| September | 13 | 10° / 50°F | 2° / 36°F | 61 mm | 1 |
| October | 0 | -1° / 30°F | -6° / 21°F | 48 mm | 0 |
| November | 0 | -13° / 9°F | -19° / -2°F | 35 mm | 0 |
| December | 0 | -17° / 1°F | -23° / -9°F | 37 mm | 0 |
Nearest destinations
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Koyukuk: questions and answers
What kind of destination is Koyukuk?
Koyukuk is a small town in United States with a subarctic climate.
How many hours of sunshine does Koyukuk get a year?
Koyukuk gets about 2,016 hours of sunshine a year, at its best around June.
When is the best time to visit Koyukuk?
The sunniest time to visit Koyukuk is June, when the Sunshine Score peaks at 74/100 (with July close behind). Expect daytime highs around 19°C / 66°F.
What is the least sunny month in Koyukuk?
January is the least sunny month in Koyukuk, scoring 0/100 with about 25 mm of rain.
How strong is the sun in Koyukuk?
The typical midday UV index in Koyukuk peaks around 4 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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