Climate and monthly weather forecast
Uummannaq, Greenland

Uummannaq, located in Greenland, falls into the ET category of Köppen's climate classification, characterized as Tundra climate. The Tundra type displays a harsh and severe climate, with prolonged periods of low temperatures. The geographical position of Uummannaq, off the shores of the North Atlantic, directly influences the meteorological conditions experienced throughout the year.

An analysis of the climate data indicates that temperatures exhibit significant fluctuations over the year. The coldest month appears to be February, with average low and high temperatures diving down to -17°C (1.4°F) and -12°C (10.4°F) respectively. Comparatively, the warmest month is July, during which the temperature ranges from a low of 5°C (41°F) to a high of 11°C (51.8°F). Average sea temperatures also vary through the year, with the frigid months of January and February seeing lows of -1.5˚C, contrasted by comfortable highs of 3.3˚C in September.

Rainfall does not present a constant trend, with drier conditions in February and March, each receiving 10mm (0.39") of precipitation. The months of November and December show the highest precipitation, at 30mm (1.18") each. Daylight span per day also displays a remarkable divergence, from a mere 1.1 hours in January to a staggering 24 hours in June.

The ideal visiting time for a visitor to Uummannaq, based on the data at hand, would be the summer months from June to August. During this period, the temperatures are at their highest, fluctuating between 5°C (41°F) and 11°C (51.8°F) and the sea temperature reaches up to 3˚C. These months also extend the longest daylight durations, peaking at a full 24 hours in June.

For those unaccustomed to extreme cold, the harshest months in Uummannaq, from December to February, might be best avoided. These winter months register the lowest temperatures, falling between -17°C (1.4°F) and -12°C (10.4°F), with the sea temperature also hitting its minimum of -1.5°C (29.3°F) in February. Coupled with limited daylight hours, down to a mere 1.1 hours in January, this period can be quite daunting for unseasoned travellers.

The onset of spring in Uummannaq, from March to May, brings a slow increase in temperature from a low of -14°C (6.8°F) in March to a milder -4°C (24.8°F) in May. Correspondingly, high temperatures also rise from -11°C (12.2°F) to 2°C (35.6°F) over the same period. Rainfall remains relatively low, oscillating within 10mm (0.39") to 13mm (0.51") range. The increase in daylight hours is very noticeable, jumping from approximately 11.7 hours in March to 22.8 hours by May.

Summer, spanning June to August, presents the warmest months in Uummannaq. Temperature lows remain steady at around 5°C (41°F), while highs vary, reaching up to 11°C (51.8°F) in July. Average sea temperature rises to a moderate 2.9°C (37.2°F) to 3˚C. A tangible shift can be seen in daylight hours, with 24 maximum daily hours in June and July. Rainfall increases slightly to stand between 8mm (0.31") and 13mm (0.51").

Autumn weather in Uummannaq, encompassing September to November, sees a downward shift in temperature, with lows moving progressively from 1°C (33.8°F) to -7°C (19.4°F). Average sea temperature starts decreasing from 3.3°C (37.9°F) in September to 0.3°C (32.5°F) in November. In terms of precipitation, rainfall shows an increasing trend, going up from 20mm (0.79") in September to 30mm (1.18") in November. Daylight hours reduce dramatically, from 13.4 hours in September all the way down to 2.8 hours by November's end.

Winter in Uummannaq traditionally runs from December until February. This season registers the lowest temperatures, with lows falling from -10°C (14°F) in December to -17°C (1.4°F) in February and highs moving from -6°C (21.2°F) to -12°C (10.4°F). During these months, the sea temperature drops to its minimal value of -1.5°C (29.3°F). Precipitation also hits its peak with 30mm (1.18") in both December and January. The daylight hours dwindle down to their shortest span, with a stark contrast from 2.8 hours in December to only 1.1 hours in January.

January in Uummannaq, Greenland experiences the lowest amount of daylight in the year, with a mere 1.1 hours of sunlight per day. It is a clear month with an emphasis on extremely chilly temperatures, especially compared to the milder months of spring. Weather in January »

The dip in temperatures felt in January continues to persevere into February, making it the coldest month of the year with a high of -12°C (10.4°F) to a low of -17°C (1.4°F). These severe conditions, combined with an increase in the daily amount of sunlight to 7.1 hours, create a stark, investive landscape of ice and snow. Weather in February »

March, while still cold, signals a change in climate. Temperatures gradually increase from the harsh lows of February, although the environment remains firmly within the grip of winter. With over 11.7 daylight hours, dramatic changes in daylight become evident. Weather in March »

April's weather showcases a marked change from March’s frigid atmosphere, though Uummannaq, Greenland remains relatively cold. Meteorologists denote April as a transitional month, exhibiting several characteristics of both winter and spring. Weather in April »

In Uummannaq, Greenland, May's weather can be described as comfortably cool. As the transition from winter to spring continues, May brings with it warmer temperatures, creating a stark contrast with the chilly climate of April. Cumulative rainfall reduces slightly from the preceding month while daylight continues to increase, reaching its maximum at an impressive 22.8 hours. Weather in May »

June seizes the title of the warmest month, offering residents of Uummannaq, Greenland, a pleasant reprieve from the harsh winter months. The coastal town basks in a whopping 24 hours of daylight, encouraging locals to engage in outdoor activities. Weather in June »

July's weather in Uummannaq, Greenland, is quite similar to June's, maintaining a steady pattern of longer days and milder temperatures. The amount of daylight remains high, keeping to the trend of the summer months. Average sea temperatures reach their peak at 2.9°C (37.2°F), coinciding with active marine life in the local fjords. Weather in July »

In August, Uummannaq's weather holds steady, mirroring the pleasant conditions of July. Daylight hours gradually decrease from their summer peak but still remain significant at 18.5 hours. Although the average sea temperatures linger at 3°C (37.4°F), the real change comes in the form of increased rainfall. Weather in August »

As autumn takes full swing, September's weather in Uummannaq, Greenland, continues to cool steadily. A prominent decrease in daylight hours indicates the city's transition from the mild climes of summer to the harsh chill of winter. Weather in September »

The drift towards winter intensifies in October as temperatures fall. In Uummannaq daylight hours drop to a scarce 8.8 hours per day, intensifying the town's cold, shadowy atmosphere. A significant increase in sea ice coverage characterizes this month's weather. Weather in October »

November brings the onset of winter, reflected in the low temperatures and significant decrease in daylight to just 2.8 hours per day. The weather shifts drastically from the cooler temperatures of October, homing in on the characteristic winter cold. Weather in November »

December in Uummannaq, Greenland, is a textbook example of an Arctic winter. With no daylight during the entirety of the month, the city is shrouded in a perpetual twilight. The driest month of the year, December sees a marked decrease in precipitation but maintains high sea ice coverage. Weather in December »