Last updated: August 27, 2025
May in Bolu, Turkey showcases a delightful yet variable climate, with temperatures ranging from a maximum of 30°C (86°F) to a brisk minimum of -1°C (30°F). The average temperature hovers around a comfortable 13°C (57°F), making it a pleasant time to explore the region’s lush landscapes. However, this month sees considerable precipitation, totaling 131 mm (5.2 in) over 17 rainy days, which contributes to the area's vibrant greenery. With humidity levels at 78%, visitors should be prepared for a mix of sunny and showery conditions, perfect for both outdoor adventures and cozy indoor retreats.
In May, Bolu, Turkey, experiences a delightful transformation as spring merges into early summer. With minimum temperatures hovering around -1°C (30°F), residents and visitors alike feel a refreshing warmth during the day, where average highs reach a pleasant 30°C (86°F). This is a notable shift from the preceding months, as the average temperature has risen significantly from just 9°C (48°F) in April. The increasing warmth invites an array of outdoor activities against a backdrop of blossoming nature, making May an ideal time to explore Bolu’s stunning landscapes. As the season progresses, it’s clear that Bolu is shedding its winter chill, ushering in brighter days and inviting adventures.
May brings a noticeable surge in precipitation to Bolu, Turkey, with 131 mm (5.2 in) of rainfall over an average of 17 days. This figure marks a significant increase from April's 91 mm (3.6 in), signaling the onset of a wetter season as spring transitions into summer. The rainfall in May not only contributes to the region's lush greenery but also sets the stage for the slightly lower precipitation of 129 mm (5.1 in) anticipated in June. As such, this month serves as a pivotal period, demonstrating a clear upward trend in rainfall that enhances the natural beauty of Bolu and supports its vibrant ecosystems.
In May, Bolu, Turkey experiences a transition in humidity, maintaining a level of 78%, which mirrors the preceding month of April. Both months reflect a gradual decrease from the winter months, where humidity reaches its peak at 85% in February and January. As spring unfolds into early summer, the air becomes noticeably drier, propelling a comforting trend towards lower humidity levels with June dropping further to 71%. This gradual decline is significant in preparing the region for the warmer, sunnier days ahead, positioning May as a pivotal month where the lushness of spring blends seamlessly into the lightness of approaching summer.
As May rolls into Bolu, Turkey, the UV Index reaches a notable 9, marking a shift to the very high exposure category with a burn time of just 15 minutes. This trend signals a significant increase in UV radiation compared to the preceding months, where values climbed steadily from 3 in January to 8 in April. The increase in UV levels highlights the importance of sun protection as summer approaches, with June potentially reaching an extreme index of 11. Residents and visitors alike should take heed and implement protective measures to enjoy the beautiful spring weather safely. For more detailed information, visit Bolu UV Index.
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May brings a delightful surge of sunshine to Bolu, Turkey, with 371 hours of bright, uplifting daylight that sets the stage for outdoor adventures and scenic exploration. This month marks a significant increase from the 323 hours in April, highlighting the transition into summer and the joy of longer days. As the sun continues to shine more intensely, with June peaking at 388 hours, May is a perfect time to experience Bolu's lush landscapes and vibrant flora. The steady rise in sunshine from January's mere 175 hours to May's impressive count showcases the region's shift from winter’s chill to the warm embrace of spring, inviting visitors to bask in nature's beauty and vibrant local culture.
In Bolu, Turkey, May marks a delightful transition into sunnier weather, boasting a 51% chance of sunshine. This increase in brightness stands out against the preceding months, where probabilities lingered around the mid-to-low range, such as 27% in April and a mere 26% in January. As spring unfolds, the likelihood of sunny days rises noticeably, setting the stage for the more radiant months of summer with July and August peaking at 60% and 64%, respectively. This trend not only showcases May as a vibrant time for outdoor activities but also indicates a promising shift towards the sun-soaked joys of the season ahead.
As spring transitions into summer in Bolu, Turkey, the daylight duration steadily increases, reflecting the region's inviting embrace of longer days. Starting from 9 hours in January, daylight climbs to 10 hours in February, and continues to expand throughout March and April, reaching a vibrant 14 hours by May. This trend peaks in June with a delightful 15 hours of sunlight, offering ample time for outdoor activities and exploration. Although daylight begins to wane slightly in July and August, it remains generous at 14 and 13 hours, respectively. As autumn approaches, the duration gradually decreases, settling back to 11 hours in October and returning to 9 hours during the winter months. This cyclical pattern highlights Bolu's beautiful seasonal contrasts, making each month unique in its own right.
In Bolu, Turkey, May marks a transition in wind patterns, with an average wind speed of 1.8 m/s (4 mph). While April sees slightly stronger breezes at 2.0 m/s, the winds begin to calm in May, reflecting a general trend of diminishing speeds as summer approaches. Following the spring months, June continues this trend, recording the softest winds of the year at 1.7 m/s. This pattern suggests a tranquil atmosphere as the region enjoys the warmth of late spring, inviting visitors to relish the serene landscapes without the hustle of stronger gusts. As summer unfolds, the winds remain gentle, providing a charming backdrop to Bolu's natural beauty.
Weather in Bolu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bolu, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly different weather profiles. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (86°F), with an average of 13°C (57°F). The month sees significant precipitation of 131 mm (5.2 in) over 17 days and a humidity level of 78%. In contrast, January experiences much colder weather, with temperatures dipping between -19°C (-2°F) and a maximum of 17°C (63°F), averaging around 0°C (32°F). The precipitation is lower in January, measuring 91 mm (3.6 in) over 13 days, but the humidity is slightly higher at 84%. For a detailed view of January weather, you can visit Bolu weather in January.
When comparing the weather in May and February, it's clear that May brings a much milder climate. With temperatures ranging from a minimum of -1°C (30°F) to a maximum of 30°C (86°F) and an average of 13°C (57°F), May provides a pleasant warmth that is a stark contrast to February's chill, where temperatures range from -16°C (3°F) to a maximum of only 16°C (62°F) and an average of 2°C (36°F). Additionally, February experiences slightly less precipitation, with 81 mm (3.2 in) over 13 days compared to May's 131 mm (5.2 in) over 17 days, though February has a higher humidity level of 85% compared to May's 78%. For those looking to explore Bolu during February, you can find more detailed insights here: Bolu weather in February.
In comparing the weather of March and May, notable differences emerge in temperatures and overall climate conditions. March experiences colder temperatures, with a minimum of -19°C (-1°F) and an average of only 4°C (40°F), while May sees a much warmer average of 13°C (57°F) and can peak at a sweltering 30°C (86°F). Precipitation levels are quite similar, with March receiving 116 mm (4.6 in) over 15 days, slightly less than May's 131 mm (5.2 in) over 17 days. Additionally, March has a higher humidity level at 84%, compared to May's 78%. For more detailed insights into March weather conditions, you can check out Bolu weather in March.
In comparing the weather between April and May, May exhibits a broader temperature range, with minimums dipping to -1°C (30°F) and maximums soaring up to 30°C (86°F). In contrast, April experiences cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 23°C (73°F). Additionally, May sees an increase in precipitation, totaling 131 mm (5.2 in) over 17 days, compared to April's 91 mm (3.6 in) over 14 days. Both months share a humidity level of 78%, but the warmer temperatures in May signal the transition to summer. For those looking to explore more about April's conditions, check out Bolu weather in April.
In May, temperatures start off quite chilly, with a minimum of -1°C (30°F) and climb to a pleasant average of 13°C (57°F), peaking at a warm 30°C (86°F). The month sees considerable rainfall, with 131 mm (5.2 inches) over 17 days, and a higher humidity level of 78%. In contrast, June brings milder temperatures with a minimum of 4°C (39°F), an average of 17°C (62°F), and a maximum of 27°C (82°F). The precipitation is slightly less at 129 mm (5.1 inches) across 19 days, along with lower humidity at 71%. For more detailed information, you can check the Bolu weather in June.
May and July present distinct differences in weather conditions. In May, temperatures can range from a chilly low of -1°C (30°F) to a warm high of 30°C (86°F), with an average temperature of 13°C (57°F). The month is marked by considerable precipitation, totaling 131 mm (5.2 in) over 17 days and a high humidity level of 78%. In contrast, July enjoys milder weather, with minimum temperatures of 7°C (45°F) and maximums reaching 31°C (88°F); the average temperature sits at a comfortable 19°C (67°F). Additionally, rainfall in July is significantly lower, at 71 mm (2.8 in) over just 11 days, and the humidity drops to 62%. For a more detailed overview, visit Bolu weather in July.
May and August showcase distinct differences in weather patterns. In May, temperatures fluctuate significantly with a minimum of -1°C (30°F), an average of 13°C (57°F), and a maximum of 30°C (86°F). This month also experiences higher precipitation, totaling 131 mm (5.2 in) over 17 days, coupled with a notable humidity level of 78%. In contrast, August offers milder conditions with a minimum temperature of 9°C (48°F), an average of 20°C (68°F), and a maximum of 33°C (92°F). Precipitation drops to just 43 mm (1.7 in) over only 7 days, and humidity decreases to 53%. For more detailed insights into the climate, check out Bolu weather in August.
The weather in May and September presents a notable contrast. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 30°C (86°F), with an average of 13°C (57°F). This month is characterized by higher precipitation, totaling 131 mm (5.2 in) over 17 days, and a humidity level of 78%.
In comparison, September offers a slightly milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 34°C (93°F), and an average temperature of 16°C (62°F). Precipitation significantly decreases to 51 mm (2.0 in), occurring over just 8 days, and humidity drops to 61%. For more details on the September weather, you can visit Bolu weather in September.
May and October exhibit distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (86°F), with an average of 13°C (57°F). The month is relatively wet, featuring 131 mm of precipitation over 17 days and a humidity level of 78%. In contrast, October sees a slight drop in temperatures, with a minimum of -2°C (29°F), an average of 12°C (54°F), and a maximum of 29°C (85°F). It is drier, accumulating 78 mm of rain over just 9 days and maintaining a humidity of 76%. For a more detailed look at October's weather, visit Bolu weather in October.
May and November present distinct contrasts in weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (86°F), with an average temperature of 13°C (57°F). The month is generally wetter, experiencing about 131 mm (5.2 in) of precipitation over 17 days, and a humidity level of 78%. In contrast, November sees cooler temperatures with a minimum of -6°C (21°F) and a maximum of 21°C (69°F), averaging around 7°C (44°F). Precipitation drops significantly to 59 mm (2.3 in), occurring on just 8 days, while humidity remains relatively high at 83%. For a closer look at the weather specifics, check out Bolu weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 30°C (86°F), with an average of 13°C (57°F). The month sees a fair amount of rainfall, totaling 131 mm (5.2 in) over 17 days, alongside a humidity level of 78%. In stark contrast, December offers much colder weather, with temperatures ranging from a frigid minimum of -13°C (9°F) to a milder maximum of 16°C (62°F) and an average of 3°C (39°F). Precipitation is slightly lower at 117 mm (4.6 in) over 16 days, but humidity rises to 85%. For more insights, check out Bolu weather in December.
As May unfolds in Bolu, the weather transitions to a more mild and inviting climate, contrasting sharply with the harsher chill of earlier months. With an average temperature rising significantly, residents and visitors can enjoy more pleasant days, although nights may still carry a slight chill. While precipitation remains notable with around half the month experiencing rain, it also signifies the lush renewal of nature as spring reaches its peak. This month is characterized by a lush, vibrant landscape fueled by humidity levels that soothe the air, setting the stage for summer's warmth. To explore more about Bolu's diverse climate throughout the year, visit Bolu Climate.