Climate and monthly weather forecast
Dyuni, Bulgaria

Positioned along the southeastern Bulgarian coastline, Dyuni is subject to a Humid Subtropical climate classification, according to the Köppen system. A defining feature of this type of climate is the absence of a dry season. In Dyuni, the annual weather pattern presents considerable fluctuations in conditions such as temperature, rainfall, sunshine, and UV index.

Temperature variation is noticeable, with average monthly highs during the year ranging from a chilly 6°C (42.8°F) in January to a warm 28°C (82.4°F) in July. At the same time, the average minimum temperature varies from a freezing -1°C (30.2°F) in January to a balmy 17°C (62.6°F) during July and August. Rainfall displays less dramatic but still significant variation. The yearly pattern shows rainfall distribution from 30mm (1.18") during the driest months of August and September to a peak of 69mm (2.72") in November. Dyuni experiences more rain days in winter, peaking at ten days in December, than summer when the number decreases to four days in August.

Sunshine hours demonstrate an anticipated pattern, reaching maximum exposure of 11 hours during July and dwindling to a mere 2 hours in December. With this sunshine pattern, the UV index mirrors a similar trend. It climbs from a low of 1 in January and December to a high of 9 in July. Sea temperature, a crucial attribute for water-based tourist activities, varies from a low 7°C (44.6°F) in February to a high 24°C (75.2°F) in August.

For travelers favoring warm weather and ample sunshine, the prime time to visit Dyuni would typically be summer, between June to August. During this period, temperatures veer into the toasty territory with average highs ranging from 25°C (77°F) to 28°C (82.4°F). Couple this with sea temperatures between 20°C (68°F) to 24°C (75.2°F), one can expect comfortable swimming conditions. These months also boast the maximum sunshine hours, around 9 to 11 hours per day, thus ensuring ample daylight for sightseeing and water sports.

Conversely, unfavorable weather conditions encompass the winter months from December to February. During this period, Dyuni experiences its coldest weather, with the average high temperature dipping to between 6°C (42.8°F) in January and rising barely to 8°C (46.4°F) in December. Sea temperatures stoop to a brisk 7°C (44.6°F) to 8°C (46.4°F), rendering swimming challenging for all but the hardiest of individuals. Sunshine hours dwindle drastically to 2 to 3 per day, and the maximum UV index is a mere 1, indicating a minimal amount of sun exposure.

Emerging from the winter chill, Dyuni starts to warm up in spring. March witnesses an average high of 10°C (50°F), which escalates to 16°C (60.8°F) by April and a more warming 21°C (69.8°F) come May. Corresponding minimum temperatures also see a gradual rise from 2°C (35.6°F) in March to 7°C (44.6°F) in April and 12°C (53.6°F) in May. Sea temperatures also start to thaw, if rather sluggishly, from 8°C (46.4°F) in March to a still cool 10°C (50°F) in May. Consequently, if planning for water activities, a spring visit may require some resilience to colder waters.

Summers in Dyuni are a blend of warm weather, solid sunshine, and relatively dry conditions. Average high temperatures peak from 25°C (77°F) in June, 28°C (82.4°F) in July to a slightly cooler 27°C (80.6°F) in August. Correspondingly, average lows remain comfortable at 16°C (60.8°F) in June and 17°C (62.6°F) in July and August. Sea temperatures respectably rise from 20°C (68°F) to 23°C (73.4°F) during the same period, enhancing the lure of water activities.

Autumn witnesses a gradual cooling down of temperatures in Dyuni. The average high records a bearable decline from 24°C (75.2°F) in September, 19°C (66.2°F) in October to a cooler 13°C (55.4°F) come November. Average lows also ease off to a cooler range from 14°C (57.2°F) in September, falling to 12°C (53.6°F) in October before dropping further to 6°C (42.8°F) in November. Sea temperatures experience a marked drop from the summer warmth, moving from 22°C (71.6°F) in September to 14°C (57.2°F) by November.

Come winter, the weather conditions in Dyuni change quite starkly. The high temperatures hover between 8°C (46.4°F) in December and 7°C (44.6°F) in February, with the lowest point at 6°C (42.8°F) in January. The night temperatures drop to a freezing range from 2°C (35.6°F) in December, 0°C (32°F) in February to -1°C (30.2°F) in January. Sea temperatures also reach the year's lowest point, persevering barely above freezing at 8°C (46.4°F) in December and January before ascending slightly to 10°C (50°F) in February. The daylight hours are at their minimum, from 9h to 9.5h, while the sunshine received dwindles down to a meager 2h to 3h per day. These conditions consolidate winter as the least favourable period for a visit to Dyuni. Over the winter months, the weather in Dyuni offers a stark contrast to the pleasant conditions found throughout the rest of the year.

January is the coldest month in Dyuni, Bulgaria, with average lows reaching -1°C (30.2°F). The chilling winter causes expansive frost and can even lead to the occasional snowfall. Compared to February, the weather remains similar with frigid temperatures and relatively higher rainfall. Weather in January »

As the year progresses into February, temperatures creep upwards slightly to an average low of 0°C (32°F). Likened to January, the weather continues to maintain its icy grip on the region. As the daylight hours increase further in February, the latter part of the month welcomes a faint hint of the approaching spring season. Weather in February »

Transitioning into March, the weather in Dyuni Bulgaria takes on a slightly warmer character, with temperatures stepping up and rainfall decreasing to 42mm (1.65"). Marks of spring are evident as snow begins to melt and the air becomes milder. Weather in March »

The month of April experiences a significant change in weather conditions. Temperature rises substantially, however, the rainfall remains almost similar to March with 48mm (1.89") downpour received. The higher temperatures usher in blooming flowers, replacing the stark winter landscape with vibrant colors. Weather in April »

May marks the transition of weather from spring to summer in Dyuni. The average temperatures reach as high as 21°C (69.8°F) making outdoor activities more enjoyable. While the rainfall does not significantly change from April, clear days become more common as the brighter sun illuminates the expansive beaches of Dyuni, Bulgaria. Weather in May »

June displays distinct summer characteristics with the highest sea temperature reaching 20°C (68°F). Typically, June showcases notable sunshine hours and longer days as compared to May. The weather remains relatively dry, contributing to the pleasantness of the summer days. Weather in June »

July is the hottest month in Dyuni, characterized by the highest average temperature of 28°C (82.4°F). Experiencing the warmest weather, it also displays less rain than any other month with a total of 35mm (1.38") of rainfall. The temperature allows for long hours of uninterrupted beach activities and outdoor explorations. Weather in July »

The month of August continues the summer season with similar conditions to July. The weather remains hot, although the month experiences a slight decrease in average maximum temperatures. However, rainfall remains low, emphasizing the dry and warm characteristics of this period. Weather in August »

As September arrives, a subtle transition from summer to autumn is noticeable. Even though the average temperature drops to 24°C (75.2°F), the weather remains comfortably warm. The sea temperature begins to drop gradually, marking the slow retreat of the swimmers. Weather in September »

October sees a more apparent shift towards autumn as the weather starts to cool down considerably. Rainfall elevates significantly to 52mm (2.05") as compared to September, indicating the beginning of the wet season. The sunny hours decrease, and the breezes coming from the sea begin to cool the city. Weather in October »

November rings in the winter season with sharp drops in temperature and the highest rainfall seen in this region amounting to 69mm (2.72"). This marks a substantial transition from the mildness of October. The gray skies, chilly winds, and heavy showers make outdoor activities less feasible. Weather in November »

December in Dyuni, Bulgaria is characterized by the cold weather where temperatures dip to average lows of 2°C (35.6°F). Compared to November, the rainfall decreases slightly to 63mm (2.48") while the sea temperature drops to a chilly 10°C (50°F). Weather in December »