Weather in Koyuk

Planning your day or preparing for a trip? Here you will find the most up-to-date information on meteorological conditions in Koyuk, including current data, detailed forecasts, and useful charts.

The climate in this region can be described as subarctic, with a distinct influence from the northern latitudes. The town of Koyuk is characterised by a long, severe winter and a short, cool summer. Travellers should be prepared for the fact that sub-zero temperatures prevail here for most of the year, and the concept of "heat" is practically unknown to the locals.

The winter period here is prolonged and frosty: from November to March, average temperatures confidently stay below -10°C, reaching their minimum in January. Summer arrives late but brings a long-awaited warming. The most comfortable months are considered to be July and June, when the air warms up to an average of +12...+14°C. This is the best time to visit, although even at the height of summer, the weather remains invigorating rather than warm.

Precipitation is quite low in terms of quantity, yet overcast weather is a frequent occurrence. Starting from July and ending in September, the number of days with precipitation increases significantly, peaking in August. Travellers should take this feature into account: despite the low volume of rain, dampness and cloudiness may accompany you for a significant part of your trip during the summer-autumn season.

The climate in this region is distinguished by its severe character, so travellers should prepare for serious cold. Koyuk remains under the grip of sub-zero temperatures for most of the year. Winter here is long and freezing: the coldest month is traditionally January with an average reading of -17.4°C, and night-time temperatures during this period often drop to -20°C. Persistent frosts begin as early as November and last practically until the end of April, turning the region into a kingdom of snow and ice.

Summer comes briefly and brings a welcome but very moderate warmth. There is no scorching heat or sweltering weather here: even in July, the warmest month of the year, the average temperature is around +13.9°C. On the best days, the air can warm up to +16...+17°C, creating comfortable conditions for outdoor activities, however, the nights remain cool (around +10°C). June and August also offer positive temperatures, but by September, the rapid approach of autumn is already felt.

The annual temperature regime is characterised by a sharp contrast between seasons. While deep freezing temperatures dominate in winter, the short summer offers mild coolness. Temperature fluctuations during the day are not too great, but the difference between winter minimums and summer maximums is vast. When travelling here, it is important to remember that even in the warm season, the weather can be changeable, so warm clothing will be relevant practically all year round.

The weather in Koyuk is characterised by a small total volume of precipitation, which, however, falls quite frequently throughout the year. Due to the harsh climate, winter conditions prevail for most of the time. From October to April, when temperatures remain consistently below freezing, precipitation falls exclusively in the form of snow. Despite the fact that it snows often (on average from 9 to 12 days a month), its intensity is usually low.

The summer season brings warming and a shift from snow to rain. The wettest period is considered to be the end of summer: August leads both in the amount of falling moisture (up to 4 mm) and the frequency of inclement days — there can be up to 17 per month. July and September are also distinguished by increased cloudiness and regular precipitation (about 15 rainy days), so travellers should be ready for frequent light drizzle.

The least "wet" part of the year can be called spring, especially April, when the number of days with precipitation drops to seven. In general, heavy downpours are not typical for this region of the USA; precipitation here is frequent but moderate in strength, creating a unique atmosphere of northern nature.

When packing for a trip to Koyuk, give primary attention to warm clothing, as the climate here is harsh and cold for most of the year. In winter, when the temperature drops to -20°C, you will definitely need quality thermal base layers, a thick down jacket with a hood, insulated trousers, and waterproof winter boots. Do not forget woollen socks, a hat, a scarf, and mittens to reliably protect yourself from frost and wind.

Summer in this region is cool, with an average temperature of around +12...+14°C, so the principle of layering remains relevant even in July. Instead of light summer clothes, take fleece jackets, sweaters, and a reliable windbreaker with you. Since the number of days with precipitation is high at any time of the year (especially at the end of summer), a waterproof jacket or raincoat will become your best assistants during walks.

For comfortable movement, choose suitable trekking shoes with non-slip soles, appropriate for wet and rugged terrain. We also recommend bringing sunglasses and sunscreen: in winter they will protect against the bright light reflecting off the snow, and in summer they will be useful during the long daylight hours. A first aid kit with a basic set of medicines and moisturising cream for the face (to protect against windburn) will also be useful.