Climate and monthly weather forecast
Sandanski, Bulgaria

The city of Sandanski, Bulgaria, is perched at the base of the Pirin Mountains and experiences a Marine west coast climate with warm summers, falling under the Köppen climate classification Cfb. This climate type typically is characterized by moderate temperatures and regular rainfall throughout the year. Monthly average temperatures range from a low of -1.5°C (29.3°F) in the winter to highs of 31.4°C (88.5°F) in the summer months.

Looking at the rainfall distribution, every month sees a respectable amount, indicating a pretty constant distribution with the most precipitation falling in November at 67mm (2.64") and the least during the month of August at 26mm (1.02"). The daylight hours fluctuate from a low of 9.2 hours in December to a high of 15.1 hours in June, providing a good amount of sun throughout the entire year. Furthermore, Sandanski also boasts notable sunlight hours, with the least amount being in December at 3 hours and stretching to the most in July at 11.5 hours.

This location presents a unique pattern with relatively high temperatures for a west coast marine climate. This is most evident in the summer months where the city experiences average highs above 28°C (82.4°F) from June to August. On the other side of the spectrum, winters, although chilly, do not experience overly harsh conditions with the lowest average temperatures sitting around -1.5°C (29.3°F) in January.

To experience favorable weather conditions, it is recommended to visit Sandanski between June to September. During these months, there are an abundant 10.5 to 11.5 sunlight hours with an average temperature ranging from 24.4°C (75.9°F) to 31.4°C (88.5°F). The rainfall levels are also modest, starting from 34mm (1.34"), which happens to be the year's lowest rainfall mark, in July and increasing slightly to 49mm (1.93") in September. This summer period in Sandanski offers a well-suited time for various outdoor activities and sightseeing ventures.

Traveling to Sandanski is not advised from November to February due to the prevailing colder temperatures along with limited sunlight hours. During this period, average low temperatures hover around 0.7°C (33.3°F) in December to as low as -1.5°C (29.3°F) in January. Furthermore, the area experiences the fewest daylight and sunlight hours, with only 9.2 daylight hours in December and roughly 3 hours of sunlight in December and January, making sightseeing encounters less appealing.

Spring in Sandanski experiences a steady warm-up spanning from March to May. Average temperatures range from 13.4°C (56.1°F) in March to 24.4°C (75.9°F) by May. Although this spring period sees moderate rainfall amounting from 39mm (1.54") to 52mm (2.05"), daylight hours increase significantly from 12 hours in March to 14.5 hours by May. Sunlight hours also follow this rising trend, starting from 6.5 hours in March and peaking at 8.9 hours in May.

Summers in Sandanski are known for their striking heat with average high temperatures from June to August soaring to 28.3°C (82.9°F), peaking at 31.4°C (88.5°F) in August. Notably, the rainfall during this period is also at its yearly minimum, registering from 34mm (1.34") to 49mm (1.93"). With ample 14.8 to 15.1 daylight hours and 10.5 to 11.5 sunlight hours, this is unquestionably the sunniest period of the year.

Autumn in Sandanski is characterized by a noticeable decrease in temperature, starting from 27.2°C (81°F) in September and dropping to 13.8°C (56.8°F) by November. The rainfall also sees a marked increase to its highest yearly level at 67mm (2.64") in November from 30mm (1.18") in September. Meanwhile, both daylight and sunlight hours progressively decrease during the autumn months, signaling the onset of the winter season.

The winter season in Sandanski runs through December to February, with average temperatures moving between 6°C (42.8°F) in December to a low of -1.5°C (29.3°F) in January, indicating the depth of Bulgarian winter. Rainfall registers from 53mm (2.09") in December to 39mm (1.54") in February, while daylight hours stay at their yearly minimum from 9.2 to 10.6 hours. Sunlight hours, in alignment with this, also remain quite limited, varying from 4 to 3 hours.

Sandanski, Bulgaria is known to battle the winter chill in January, as it falls to the year's lowest temperature, a harsh -1.5°C (29.3°F). Snowfall occurs intermittently, and although the days are short, the sunshine peeks out enough to cast off some winter gloom. Weather in January »

Transitioning from January's harsh winter, February in Sandanski welcomes a noticeable uptick in temperature. The increase in warmth, reaching highest temperatures of 9.1°C (48.4°F), starts paving the way for the forthcoming spring. Weather in February »

March in Sandanski marks the onset of spring, with temperatures typically climbing to 13.4°C (56.1°F). The city gradually breaks out from the lingering winter chill, displaying a captivating sight of blossoming flowers against the backdrop of clear, blue skies. Weather in March »

April introduces a true advent of spring within Sandanski, creating a comfortable weather dynamic. The increased warmth of the city, reaching up to 19.5°C (67.1°F), marries the blooming flora and the extended daylight hours, to shape pleasurable conditions. Weather in April »

Tourists begin flocking to Sandanski in May, thanks to a consistent rise in temperature to an enjoyable 24.4°C (75.9°F). The city’s sunny disposition is amplified, setting the perfect stage for picnics and outdoor recreational activities. Weather in May »

June in Sandanski heralds the arrival of summer and a pronounced leap in temperature, as it peaks to a toasty 28.3°C (82.9°F). The region emanates a vibrant feel under the summer sun with the landscape adorned with sunflower groves and vineyards. Weather in June »

The heat of summer intensifies by July, with Sandanski experiencing its annual maximum average temperature of 31.3°C (88.3°F). The city basks in the warmth, with plenty of sunshine highlighting its grandeur. Longer daylight hours couple with heat to bring about the quintessential summer experience. Weather in July »

August in Sandanski carries the summer warmth forward without any drastic change, with the mercury rising to a high of 31.4°C (88.5°F). The local populace and visitors alike enjoy the prolonged hours of daylight under the generous summer sun, contributing to the city’s lively atmosphere. Weather in August »

September in Sandanski brings a welcome reduction in heat from the peak of summer, settling comfortably at 27.2°C (81°F). The arrival of fall paints the region's foliage with shades of red and gold, making it a picturesque sight for leaf-peepers. Weather in September »

October sees a sharp drop in temperature from September, creating a mild atmosphere in Sandanski. With the temperature reaching 20.7°C (69.3°F), one can enjoy the soothing autumn breeze amidst abundant sunshine. The city exhibits remarkable autumn aesthetics, with vibrant hues of orange and yellow adorning the landscapes. Weather in October »

November in Sandanski observes a transition to the cold season, lowering the temperature threshold to 13.8°C (56.8°F). The city’s greenery starts fading, surrendering to the muted colours of late fall. Sunshine gradually retreats, letting the shorter days prevail. Weather in November »

December in Sandanski is a manifestation of a charming winter. With the mercury dropping to a chilly 8°C (46.4°F), the city officially enters its coldest phase. Snowflakes dot the landscapes, creating an alluring winter scene. Weather in December »