Climate and monthly weather forecast
Nanortalik, Greenland

Huddled in the southernmost point of Greenland, Nanortalik basks in the fringes of the Arctic Circle. Notoriously known for its long and harsh winters, the region is classified under the ET Köppen climate classification, which signifies a Tundra climate. The predominance of this climate means that the year-round average temperature rarely surpasses 10°C (50°F), and the ground maintains a permanently frozen state.

The overall weather in Nanortalik moves within a narrow temperature range, with the highest average temperature reaching 9°C (48.2°F) in August and the lowest dropping to -9°C (15.8°F) in February. The region does not experience a significant amount of rainfall throughout the year, but June notes the highest rainfall level with a measurement of 117mm (4.61"). In contrast, March records the lowest at 38mm (1.5").

A unique characteristic of Nanortalik's weather pattern manifests in the sea temperature. Despite the challenging weather conditions, the sea maintains a relatively consistent temperature range from -1.2°C (29.8°F) to 2.7°C (36.9°F) during the entire year. The daylight duration varies considerably, spanning from a mere 6 hours per day in December to almost 19 hours in June.

Taking into consideration the harsh conditions of Tundra climates, the best time for a visit to Nanortalik would be from June to August, when average temperatures hover around 8°C (46.4°F) to 9°C (48.2°F). Light rainfall is to be expected, particularly in June with an average of 117mm (4.61"). Additionally, these months offer extended daylight duration, with sunshine lasting up to 18 hours per day, providing ample time for sightseeing and outdoor activities.

Visitors who are not familiar with extreme cold weather conditions should avoid traveling to Nanortalik from November to March. During these months, the temperatures descend into a deep freeze, with averages constantly wavering between -8°C (17.6°F) and 4°C (39.2°F), and dipping down to -9°C (15.8°F) in February. Rainfall varies from 38mm (1.5") to 119mm (4.69"), further aggravating the cold conditions. The sea temperature stays below 1.4°C (34.5°F) and daylight lasts just 6 hours in December.

Spring weather in Nanortalik covers the months from April to June. With temperatures ranging from 2°C (35.6°F) to 8°C (46.4°F), the spring season finds the region slowly thawing. However, nights could still be chilly with low temperatures around -4°C (24.8°F) to 2°C (35.6°F). Rainfall stays relatively moderate, ranging from 38mm (1.5") to 117mm (4.61") with the highest levels observed in June.

The summer months of July to September in Nanortalik offer relatively warm temperatures, from 7°C (44.6°F) to 9°C (48.2°F). July and August mark the peak of summer with consistent average highs of 9°C (48.2°F). Rainfall picks up a little with an average of 89mm (3.5") in August, while the sea temperature hits a high of 2.7°C (36.9°F) in the same period. The daylight duration stretches, dipping a little from 18 hours in June to 15 hours in September.

Autumn in Nanortalik begins in October and ends in November. During this period, the region witnesses a drop in temperatures from 4°C (39.2°F) to 2°C (35.6°F). The temperatures at night dip further to lows of -1°C (30.2°F) to -4°C (24.8°F). Rainfall substantially increases, reaching 119mm (4.69") in October which is the highest throughout the year. The sea temperature and daylight duration gradually decline during this period to 1.2°C (34.2°F) and 7.5 hours respectively by November.

The winter in Nanortalik spans from December to March, marked by freezing temperatures ranging from -8°C (17.6°F) to 2°C (35.6°F). February records the most extreme cold with temperatures falling to an average low of -9°C (15.8°F). Winter rainfall oscillates between 38mm (1.5") and 97mm (3.82"). The sea temperature plummets to -1.2°C (29.8°F) in January and February, while daylight hours dwindle down to approximately 6 hours in December. Despite the harsh conditions, the beauty of the winter landscape and the mesmerizing auroras make winters in Nanortalik a sight to behold.

Beginning the year in Nanortalik, the weather in January skews toward colder temperatures, it continuously teases the freezing point with averages ranging from -8°C (17.6°F) to a high of 2°C (35.6°F). Winter prevails in its full intensity, covering the city in a whitish blanket. Weather in January »

After the chilly January, comes February, with a slight escalation in cold. Although similar to January in regard to many weather elements, February often brings increased rainfall, paralleling the desired winter wonderland scenery with moody skies. Weather in February »

The transition to spring begins in March and with it brings a minor alteration in Nanortalik's weather. March offers a slight decrease in rainfall but doesn't significantly alter other weather aspects, maintaining a cold ambiance. Weather in March »

Nanortalik's weather in April begins to thaw as the grip of the enduring winter finally starts to loosen. A slight warmth in temperature can be felt, marking the city's foray into spring. Rainfall continues to be a regular weather element; nonetheless, the latter part of the month experiences increased daylight hours, which engulfs the city in its warm, inviting glow. The advent of April brings an average high-temperature of a still icy 3°C (37.4°F), exhibiting minor difference from the previous month. Weather in April »

The melodies of spring resonate in the weather of Nanortalik in May. Temperatures begin to climb higher, signaling the diminishing power of winter. The city comes to life under the sun, with longer daylight periods gearings towards summer. Weather in May »

The arrival of June brings the summer season to Nanortalik, showing considerable temperature fluctuations, making it undeniably milder. Despite the spike in rainfall, the city resonates with the vibrancy of summer. Days stretch longer, allowing more outdoor activities. Weather in June »

July stands as the crest of summer in Nanortalik, showing a higher average temperature, reaching up to 8°C (46.4°F). Long daylight hours and warm air embody the peak of the summer season. Despite occasional rain showers, the city unveils a pleasant atmosphere, encouraging residents and visitors to explore the natural beauty it offers. Nanortalik's average high-temperature of a still chilly 8°C (46.4°F) in July mirrors that of the prior month. Weather in July »

Nanortalik's weather in August witnesses a slight decrease in temperature as the summer's end approaches. However, the city continues to get pampered with extended daylight and warm air. Rainfall sees a rise, adding a unique charm to August's weather. Weather in August »

September announces autumn in Nanortalik. Temperatures see a decline, yet the city remains under the daylight's charm, making outdoor activities irresistible. Rainfall decreases, against the backdrop of a slightly dipping sea temperature. Weather in September »

Nanortalik's weather in October witnesses the firm arrival of autumn, characterized by falling leaves and cooling temperatures. With daylight hours decreasing, a calm dusk takes over the city. Despite a significant increase in rainfall, the serene weather continues to cast a magical spell upon anyone who experiences it. With the onset of October, Nanortalik's climate undergoes a slight change as the average high-temperature moves from a chilly 7°C (44.6°F) in September to a cold 4°C (39.2°F). Weather in October »

November marks the onset of winter in Nanortalik, with temperatures dropping and daylight diminishing. Rainfall continues to be a predominant feature, painting the city's canvas with shades of grey. November in Nanortalik comments the seasonal cycle, bringing the city back towards winter, creating a panorama full of beautiful white landscapes. As October turns into November, the average high-temperatures rest at a still wintry 2°C (35.6°F), showing a minor variation from the prior month. Weather in November »

Nanortalik's weather in December is characterized by cold winds, low temperatures, and lesser daylight. Mimicking a typical Arctic winter, this month shares similarities with January, setting the course for the continuation of the icy winters in the fascinating city of Nanortalik. Nanortalik's coldest temperatures are experienced in December, with average high temperatures of 1°C (33.8°F) and lows of -8°C (17.6°F). Weather in December »