Climate and monthly weather forecast
Yambol, Bulgaria

Identified by the Köppen climate classification as Cfa, Yambol's climate is humid subtropical with no dry season. The city experiences a wide range of temperatures, with monthly averages spanning from 0°C (32°F) in colder months to upwards of 31.2°C (88.2°F) during the hottest month. Sunlight duration also varies broadly, with shortest daylight hours of 9.1 hours likely in winter, extending to a sun-drenched 15.3 hours on average in summer.

Rainfall spreads consistently across the full year with a range in monthly averages from 33mm (1.3") to 70mm (2.76"), ensuring Yambol remains humid throughout. An interesting aspect of Yambol's climate is the summer months where the sunlight hours peak concurrent with the temperature, resulting in some of the highest rainfall figures for the year. The variation in climatic elements leads to a fascinating shift in weather patterns throughout the year.

Considering the temperature, daylight hours, and the chance of rainfall, the prime time to visit Yambol falls within the transition from spring to summer, specifically May and June. These months entice travelers with comfortable temperatures averaging between 18.4°C (65.1°F) to 28.2°C (82.8°F) and long sunny days with daylight stretched out from 14.6 hours to 15.3 hours. Rainfall during this period, from 60mm (2.36") to 51mm (2.01"), although comparatively high, does not significantly overshadow the pleasant weather conditions.

Yambol's weather becomes challenging for visitors in the winter season. December, January, and February mark the coldest months with temperatures plummeting to 0°C (32°F) to 0.2°C (32.4°F) during nights. Lack of sufficient sunlight hours, from 9.1 hours to 10.6 hours, coupled with chilly temperatures, might discourage outdoor activities. Furthermore, the average monthly rainfall tallies up to 59mm (2.32") in December and 46mm (1.81") in January, adding to the discomfort.

Spring ushers in the warming phase in Yambol, starting with temperatures around 13.6°C (56.5°F) in March, progressing steadily to 24.1°C (75.4°F) by end of May. Daylight increases correspondingly from 12 hours to 14.6 hours. Rainfall fluctuates in these months, starting at 33mm (1.3") in March, peaking at 60mm (2.36") in May. The ending of this season sees a transition from moderate to warmer temperatures accompanied by longer daylight hours, making spring a favorable time for outdoor excursions in Yambol.

Summer in Yambol records the peak temperatures of the year, moving from an already warm average high of 28.2°C (82.8°F) in June, reaching up to scorching daytime highs of 31.2°C (88.2°F) in July and August. They prove to be the sultriest months. Correspondingly, daylight hours are the longest from June through August, varying between 15.3 hours to 14.9 hours. Though July sees an average rainfall of 51mm (2.01") which dips slightly to 41mm (1.61") in August, the high temperature balances the humidity, ensuring a warm, sun-filled summer in Yambol.

Autumn sees a gradual cooling trend in Yambol. September experiences an average high of 25.7°C (78.3°F), dropping to 19.5°C (67.1°F) by October and further to 13.7°C (56.7°F) in November. Concurrent with the temperature drop, the daylight hours reduce from 12.5 hours in September to 9.8 hours by November. In terms of rainfall, Autumn experiences the highest rainfall of the year, with an outpouring of 70mm (2.76") in September, reducing to 50mm (1.97") and 35mm (1.38") in October and November, respectively.

Winter in Yambol is quite frosty, with temperatures typically falling to the year's lowest during December, January, and February. The highest temperatures range from 7.6°C (45.7°F) to 6.5°C (43.7°F) during these months, dipping to freezing temperatures during nights. Short daylight hours, ranging from 9.5 hours to 9.1 hours, compound the cold feel of the months. Notably, rainfall averages are highest in December at 59mm (2.32"), dropping to 46mm (1.81") in January, indicative of potential snowfall in the region, concluding the full circle of Yambol’s fluctuating climate throughout the year.

Having endured the cold of December, January displays similar chilly conditions with the average low temperature recorded at 0°C (32°F) in Yambol. The days remain relatively short marking that winter is in its full bloom. Cloud coverage often minimizes the amount of direct sunlight experienced. Weather in January »

With the advent of February, the weather in Yambol shows a slight improvement. The daily low temperature exhibits marginal elevation, shifting from January's freezing point to a mere 0.2°C (32.4°F). Although rainfall reduces a bit, the city still experiences significant precipitation keeping the humidity in check. Weather in February »

March marks the transition from winter to spring in Yambol. The rise in average temperature becomes perceptible, concurrently the average rainfall decreases indicating less humid conditions. As the daylight hours saw their first major increase since the beginning of the year, conditions become favourable for outdoor activities. Weather in March »

Bulgaria's Yambol region welcomes spring with April manifesting significant warmth compared to preceding months. The days lengthen further coinciding with a hike in sunshine hours. Uneven weather conditions prevail as scattered showers may occur unexpectedly. Weather in April »

It is in May when Yambol fully embraces moderate spring temperatures. The change in weather facilitates lush vegetation, augmenting the city's scenic beauty. A further rise in temperature influences the local lifestyle, inviting people to indulge in leisure activities outdoors. Weather in May »

June signals the onset of summer in Yambol with balmy days and somewhat warm nights. With the longest daylight hours of the year, outdoor activities extend well into the evening. It is also a period of relative dryness with less frequent rains.Temperature peaks are experienced with an average high of 28.2°C (82.8°F), marking the month as a typically hot period. With the onset of June, Yambol's average high-temperature experiences a slight rise, moving from May's 24.1°C (75.4°F) to a still moderately hot 28.2°C (82.8°F). Weather in June »

At the height of summer in July, Yambol experiences the warmest weather conditions. Social engagements frequently take place in outdoor settings taking advantage of high sunshine and daylight hours. However, despite the sweltering heat, the city also encounters periodic rainfall, maintaining overall humidity. Weather in July »

August weather continues the summer trend in Yambol with an average high temperature of 31.2°C (88.2°F). The extended sunshine hours ensure that the city remains bright and lively, initiating numerous festive activities. Though afternoon thundershowers may occur, they are generally short-lived and do not heavily disrupt outdoor ventures. Weather in August »

The arrival of September marks a change of weather in Yambol as summer starts to fade giving way to milder autumn temperatures. While the city still boasts ample sunshine and daylight hours, the nights witness a drop in temperature. Weather in September »

During October, Yambol's weather distinctly showcases the essence of autumn. The drop in temperature becomes more evident as daylight hours begin to significantly shrink. Trees in the region start changing colour, bringing picturesque transformation to the cityscape. Weather in October »

November reveals a further drop in Yambol’s temperatures as winter begins to set in. The onset of the cold season is also marked by a significant decrease in daylight and sunshine hours. With the change of the weather, the city's social scene also shifts with less outdoor gatherings. Weather in November »

Closing out the year, December brings in the full force of winter in Yambol. The shorter days and longer nights signify the continuing trend of receding daylight hours. The cold intensifies, yet the city does not succumb to a complete freeze. Weather in December »