Koyuk weather by month & the best time to visit
🇺🇸 United States · seaside town · subarctic climate
The best time to visit Koyuk is July — its sunniest month (Sunshine Score 55/100), with June close behind. Koyuk averages about 1,846 hours of sunshine a year. Daytime highs around 17°C / 63°F and roughly 84 mm of rain in July.
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- Sun hours / year
- 1,846
- Sunniest month
- July
- Peak score
- 55/100
- Rain / year
- 579 mm
- Snow / year
- ≈2 m
- Midday UV at peak
- 3 (moderate)
- Sea at warmest
- 13°C / 55°F
- Population
- 312
- Elevation
- 51 m
When is the best time to visit Koyuk?
For sunshine, the best time to visit Koyuk is July, then June. The dullest month is January (0/100, 31 mm of rain). The full month-by-month picture is in the table below.
How sunny is Koyuk?
Koyuk gets a moderate 1,846 hours of sunshine a year. 55 Sunshine Score points separate July (55) from January (0), so the month you pick matters. It ranks #461 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 41% of the annual 579 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -16° / 3°F | -21° / -6°F | 31 mm | 0 | -1° / 30°F |
| February | 0 | -12° / 10°F | -19° / -2°F | 39 mm | 0 | -1° / 30°F |
| March | 0 | -10° / 14°F | -18° / 0°F | 24 mm | 1 | -1° / 30°F |
| April | 0 | -1° / 30°F | -9° / 16°F | 34 mm | 2 | -1° / 30°F |
| May | 0 | 8° / 46°F | 1° / 34°F | 35 mm | 3 | 1° / 34°F |
| June | 54 | 16° / 61°F | 7° / 45°F | 48 mm | 3 | 11° / 52°F |
| July | 55 | 17° / 63°F | 10° / 50°F | 84 mm | 3 | 13° / 55°F |
| August | 42 | 15° / 59°F | 8° / 46°F | 92 mm | 2 | 12° / 54°F |
| September | 6 | 9° / 48°F | 3° / 37°F | 63 mm | 1 | 10° / 50°F |
| October | 0 | 0° / 32°F | -4° / 25°F | 54 mm | 0 | 6° / 43°F |
| November | 0 | -10° / 14°F | -15° / 5°F | 38 mm | 0 | 1° / 34°F |
| December | 0 | -14° / 7°F | -19° / -2°F | 37 mm | 0 | -1° / 30°F |
Sea temperature in Koyuk by month
The sea off Koyuk is warmest in July at around 13°C / 55°F, and coolest in January at -1°C / 30°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Koyuk on the interactive sunshine globe →
Nearby places for sunshine
- Nome United States · 209 km · best in Jul · 1,904 h sun/yr
- Kotzebue United States · 226 km · best in Jul · 2,092 h sun/yr
- Bethel United States · 464 km · best in Jul · 1,745 h sun/yr
- Fairbanks United States · 627 km · best in Jun · 2,066 h sun/yr
- Anchorage United States · 699 km · best in Jul · 1,720 h sun/yr
- Kodiak United States · 921 km · best in Jul · 1,335 h sun/yr
Nearest destinations
- Shaktoolik United States · 63 km · 1,840 h sun/yr · best in Jul
- Elim United States · 64 km · 1,881 h sun/yr · best in Jul
- Golovin United States · 98 km · 1,880 h sun/yr · best in Jul
- White Mountain United States · 110 km · 1,882 h sun/yr · best in Jul
- Buckland United States · 116 km · 2,048 h sun/yr · best in Jul
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