Climate and monthly weather forecast
Flåm, Norway

Predominantly classified as a Subarctic climate according to the revered Köppen climate classification, Flåm, Norway is known for its severe winters and cool summers. A unique feature of this climate category, also denoted as Dfc, is the absence of a dry season. Tracking the monthly averages of key climatological parameters such as temperature, rainfall, daylight hours, sunshine duration, and the ultraviolet (UV) index forms an accurate depiction of Flåm's annual weather pattern.

Throughout the year, Flåm experiences a considerable shift in various weather indicators. Temperatures vary from a chilly -9°C (15.8°F) in the peak of winter to mild highs of 14°C (57.2°F) during the summer months. On the precipitation front, rainfall shows minor fluctuations with monthly averages ranging from 46mm (1.81") to 169mm (6.65"). Interestingly, the seasonality of daylight duration mirrors the changing seasons, with shorter daylight hours during winter, extending from 5.8 hours to 19.1 hours in midsummer.

The UV index, an essential measure of the sun's intensity concerning skin damage, behaves in a comparatively mellow fashion, swinging between 0 in winter and 5 during summer's apex. Sunshine hours also demonstrate a marked seasonality trend following a similar pattern to daylight hours, oscillating between a mere single hour in December to seven hours at the height of summer.

Flåm's weather displays several noteworthy characteristics. The months without any rainfall, a key attribute of the Subarctic climate, are conspicuously absent. Instead, this Norwegian locale experiences precipitation throughout the year, with a peak in October denoted by an average rainfall quantity of 169mm (6.65").

The ideal time to visit Flåm depends on individual preferences, with weather conditions showing noticeable differentiation throughout the year. If the goal is to experience the mildest temperatures and longest daylight duration, the months from June to August are the most fitting. During this period, temperatures climb to their yearly peak, averaging from 13°C (55.4°F) to 14°C (57.2°F), accompanied by the highest amount of sunlight, a pleasant 7 hours a day.

Visitors intending to avoid the harshest weather conditions should stay clear of Flåm during the deep winter months. January and February, especially, are characterized by bone-chilling temperatures, descending to as low as -9°C (15.8°F). These conditions come hand in hand with an extreme reduction in daylight duration, retracting to just over 6.6 hours during January.

The arrival of spring in Flåm, seen distinctly in March till May, brings a moderate increase in temperatures. Monthly averages rise from -2°C (28.4°F) to 9°C (48.2°F), marking a departure from winter's tight grip. Meanwhile, daylight hours experience a hefty increase, ascending from 11.8 hours to 17.4 hours.

Summers in Flåm, stretching from June till August, usher in the warmest conditions of the year. Average temperatures rise to between 13°C (55.4°F) and 14°C (57.2°F), creating rather comfortable outdoor conditions. Simultaneously, daylight duration extends to its maximum, peaking at 19.1 hours in June.

Autumn announces its arrival in Flåm with a decrease in temperatures, falling from 9°C (48.2°F) in September to a cooler 4°C (39.2°F) by November. Correspondingly, daylight duration also contracts, shortening from 12.9 hours to 7.4 hours.

Winter seizes Flåm in its icy clasp from December to February. Average temperatures plunge to between -2°C (28.4°F) and -5°C (23°F), underscored by a decline down to -9°C (15.8°F) in terms of the coldest conditions registered. Daylight duration contracts drastically, dwindling to a sparse 5.8 hours by December.

As the year commences, Flåm, Norway experiences a chill in the air with a conspicuous shortage of daylight. Looking at the shift from the previous month, colder days and longer nights are a distinct factor. January's minimum average temperature is recorded at -9°C (15.8°F), and the maximum at -5°C (23°F). Weather in January »

Moving into February, the city of Flåm does not witness a significant change in temperature, maintaining January's icy cold weather. The city, however, starts to gain extra daylight every day, contributing to a slowly increasing average UV index. Weather in February »

March ushers in a hint of transformation in the weather parameters for Flåm. A milder climate begins to set in as temperatures increase marginally to an average low of -7°C (19.4°F) from -9°C (15.8°F) in February, and an average high of -2°C (28.4°F). Weather in March »

April sees the full-on transition to spring as temperatures continue to rise in Flåm. The thick layers of winter gear start to peel off as the temperatures climb to a low of -4°C (24.8°F) and a high of 2°C (35.6°F). Boasting the month with the lowest rainfall of the year at 46mm (1.81") in 14 days, April is noticeably drier than its preceding and succeeding months. Weather in April »

May brings forth unequivocal signs of spring in Flåm with a noteworthy surge in temperatures, tourism, and sunshine hours. A significant difference is felt moving from April's still chilly air to a low temperature of 1°C (33.8°F) and a comfortable high of 9°C (48.2°F). Weather in May »

June heralds the onset of summer in Flåm with warmer and longer days. The temperatures manage to reach an average high of 13°C (55.4°F), making it a comfortable period for visitors and residents alike. The amount of daylight crests at 19.1 hours, being the year's highest. Weather in June »

July is the warmest month of the year in Flåm. The temperature fluctuates from 7°C (44.6°F) to 14°C (57.2°F), and the city continues to bask in the sunlight for 18.2 hours a day. Moisture levels surge slightly as compared to June, resulting in an average of 90mm (3.54") of rainfall across 19 days. Weather in July »

In August, Flåm continues to experience the vestiges of summer with minimal variations in both temperature and daylight when compared to July. The city persists in its summer rhythm, despite a slight decrease in daylight and average sunshine hours. Weather in August »

As September sets in, signs of autumn become apparent in the weather of Flåm. The temperatures start descending from the summer high, marking an average low of 3°C (37.4°F) and a high of 9°C (48.2°F). The 12.9 hours of daylight begins to dwindle, allowing the stars to shine longer in the night's sky. Weather in September »

By October, Flåm is in the grip of autumn and the chill starts to return. The temperature continues to taper off, hitting an average low of 0°C (32°F) and an average high of 4°C (39.2°F). Daylight hours shorten to 10.1, and the city is shrouded in longer nights. Weather in October »

The weather in November takes a cold turn in Flåm as the city starts to prepare for the impending winter. The temperatures plunge noticeably from October, averaging from -5°C (23°F) to -2°C (28.4°F). The daylight hours recede rapidly and amount to just 7.4 hours. Weather in November »

Entering December, Flåm utilizes its winter gear as the chill becomes more intense. This month witnesses an additional drop in average temperature from -5°C (23°F) to -8°C (17.6°F) and a high of -4°C (24.8°F). The city plunges into a year-long low with just 5.8 hours of daylight and only a single hour of sunshine. Weather in December »