April Weather in Kalofer, Bulgaria

Last updated: August 21, 2025

April in Kalofer, Bulgaria brings a delightful mix of spring weather, showcasing a maximum temperature of 27°C (81°F) and a refreshing average of 11°C (52°F). Early in the month, temperatures can dip to a chilly minimum of -3°C (28°F), reminding residents and visitors of the lingering winter chill. With an average precipitation of 49 mm (1.9 in) over 9 rainy days, the landscape becomes lush and vibrant. The month's humidity level holds steady at 71%, adding to the refreshing atmosphere as nature awakens from its winter slumber.

April Temperature in Kalofer

As April arrives in Kalofer, Bulgaria, a noticeable transition in temperatures marks the shift from the rigidity of winter to the beginnings of spring. With minimums dipping to a brisk -3°C (28°F), the chill of early April is a stark reminder of the colder months, yet the average temperature rises to a welcoming 11°C (52°F), and the maximums can reach a delightful 27°C (81°F). This month exemplifies the region's warming trend, as days become longer and sunnier, paving the way for the lush experiences of May and beyond. The overall climb in temperatures is evident, encouraging both locals and visitors to embrace outdoor activities as nature begins to bloom vibrantly around them.

April Weather in Kalofer: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Kalofer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalofer, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843526168727466554638
Data source: Temperature data for Kalofer generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Kalofer

April in Kalofer, Bulgaria, sees a transition in precipitation patterns, with 49 mm (1.9 in) of rain falling over an average of 9 days. This amount is slightly less than March’s 70 mm (2.7 in) but sets the stage for the typically wetter months ahead. As spring takes full effect, the consistent, moderate rainfall not only nurtures the blooming landscapes but also contributes to a gradual increase in the overall precipitation trends that reach their peak in the summer months, notably June. With April's showers, residents and nature alike brace for the lush, vibrant growth that May and June promise, highlighting a dynamic cycle of moisture that shapes the region's ecosystem.

April Precipitation Trends in Kalofer

The chart displays monthly precipitation patterns in Kalofer, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Kalofer, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec43427049721191003720585371
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kalofer

In April, Kalofer, Bulgaria, experiences a noticeable shift in humidity, dropping to 71% from the higher levels of the preceding months. This decrease marks the transition to the warmer spring season, after which humidity levels stabilize somewhat, with May peaking slightly higher at 73% before making a steady decline through the summer months. The trend reveals a consistent pattern of high humidity in the winter, reaching a maximum in January at 89%, and a gradual decrease as the year progresses. By August, humidity reaches its lowest at 50%, illustrating a clear seasonal variation that enhances the region's climate dynamics. Overall, April serves as a pivotal month, bridging the winter's moisture-laden air with the drier conditions of summer.

April Average Humidity in Kalofer

This chart illustrates the average monthly humidity levels in Kalofer, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Kalofer is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kalofer

As April arrives in Kalofer, Bulgaria, the UV Index reaches a striking 8, categorizing the sun's rays as very high. This marks a significant increase from the previous months, with burn time dipping to just 15 minutes for unprotected skin. This sharp rise from March’s UV Index of 6 highlights the growing intensity of sunlight as spring unfolds, urging residents and visitors to stay vigilant about sun safety. With May promising an even higher index of 9, it’s essential to prepare for skin protection as outdoor activities become more appealing. For more detailed UV insights, check out the Kalofer UV Index.

Maximum UV Index Levels in Kalofer for April

The chart shows the monthly maximum UV Index (UVI) for Kalofer in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Kalofer typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Kalofer April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Kalofer

April shines as a highlight in Kalofer, Bulgaria, boasting 346 hours of glorious sunshine—an invigorating jump from the 288 hours in March. This increase marks a clear transition into spring, setting the stage for warmer days ahead. The trend continues into May, where the sun graces the town for 393 hours, illustrating a delightful upward trajectory through the spring and into the early summer months. As the year progresses, Kalofer basks in generous sunshine, peaking in July with an impressive 427 hours. This vibrant pattern not only rejuvenates the landscape but also invites visitors to indulge in the town's natural beauty, making Kalofer a perfect spring and summer getaway.

Monthly Sunshine Duration in Kalofer: April Highlighted

The April sunshine duration represents the total number of hours Kalofer experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec176h237h288h346h393h400h427h403h344h291h232h220h
Data source: Kalofer April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kalofer During April

In Kalofer, Bulgaria, the likelihood of sunny weather in April stands at 45%, a slight dip from the previous months of March (47%) and February (49%). This seasonal shift hints at a transitional phase as the long, sunny days of summer, characterized by a 78% chance of sunshine in July, loom on the horizon. Notably, April's sun probability mirrors that of May, suggesting a consistent yet gradual warming trend. As the month progresses, residents can expect to enjoy a mix of sunshine and clouds, making it an ideal time for outdoor activities as nature awakens.

Percentage of Sunny Days in April in Kalofer

The chart illustrates the percentage of sunny days in Kalofer throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kalofer experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%49%47%45%45%47%78%75%53%40%33%33%
Data source: Kalofer April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kalofer in April

As spring unfolds in Kalofer, Bulgaria, April welcomes an increase in daylight, offering an impressive 13 hours of sunshine. This marks a steady rise from the 11 hours experienced in March, signaling longer days that are perfect for outdoor activities. The trend of increasing daylight continues into May and June, where residents can enjoy up to 14 and 15 hours respectively, before tapering off in the summer months. This gradual shift not only enhances the vitality of the local landscape but also invigorates the community, creating a vibrant atmosphere that encourages exploration and connection with nature. As the days grow longer, Kalofer comes alive, inviting both locals and visitors to bask in the growing warmth of spring.

Average Daylight Hours in Kalofer for April

The chart illustrates the variation in daylight duration in Kalofer throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 13m14h 53m13h 49m12h 26m11h 1m9h 45m9h 6m
Data source: Kalofer daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kalofer

In Kalofer, Bulgaria, the April winds mirror the gentle breezes of earlier months, with an average speed of 1.7 m/s (4 mph). This slight dip from March signifies a subtle transition as the region moves deeper into spring. Interestingly, the wind patterns remain relatively consistent throughout the year, oscillating between 1.4 m/s (3 mph) in the calmer months and a brisk 1.9 m/s (4 mph) during peak seasons. As April ushers in warmer temperatures, these light winds contribute to the refreshing atmosphere, making it an ideal time to explore the natural beauty of Kalofer.

Average April Wind Speed in Kalofer

The chart displays monthly wind speed patterns in Kalofer, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.71.91.7 m/s1.91.51.91.61.61.51.41.9
Data source: Kalofer April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kalofer Compares to Other Months

Weather in Kalofer varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kalofer, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present quite contrasting weather conditions. In April, temperatures range from a chilly minimum of -3°C (28°F) to a pleasant maximum of 27°C (81°F), with an average of 11°C (52°F). The month experiences around 49 mm (1.9 in) of precipitation over approximately 9 days and maintains a moderate humidity level of 71%. In stark contrast, January is much colder, with temperatures dipping to a minimum of -18°C (-1°F) and peaking at 15°C (59°F), averaging around 1°C (33°F). This winter month sees slightly less precipitation at 43 mm (1.7 in) across 7 days, but the humidity is higher at 89%. For a closer look at January weather specifics, you can visit Kalofer weather in January.

April generally offers a more temperate climate compared to February, with average temperatures rising from 3°C (39°F) in February to 11°C (52°F) in April. The maximum temperatures in April reach up to 27°C (81°F), significantly warmer than February's peak of 19°C (66°F). Precipitation is slightly higher in April at 49 mm (1.9 in) over 9 days, compared to February's 42 mm (1.6 in) over 7 days. Additionally, humidity decreases in April to 71%, while February experiences a higher humidity level of 85%. For those looking to understand February's weather conditions more closely, you can check Kalofer weather in February.

April typically brings a noticeable shift in weather compared to March. While March experiences colder temperatures, with a minimum of -20°C (-3°F) and an average of 6°C (43°F), April sees milder conditions, featuring a minimum of -3°C (28°F) and an average of 11°C (52°F). The maximum temperature in April can reach up to 27°C (81°F), making it significantly warmer than March's peak of 22°C (72°F). Additionally, precipitation is slightly less in April at 49 mm (1.9 in) over 9 days compared to March's 70 mm (2.7 in) over 11 days. Humidity decreases from 83% in March to 71% in April, further contributing to a more pleasant atmosphere in the latter month. For more details on weather patterns in March, visit Kalofer weather in March.

April and May exhibit notable differences in weather patterns. While April experiences cooler temperatures with a minimum of -3°C (28°F) and an average of 11°C (52°F), May sees a rise in warmth with temperatures ranging from a minimum of 3°C (38°F) to an average of 16°C (62°F). Additionally, May features higher maximum temperatures, peaking at 31°C (87°F) compared to April's 27°C (81°F). Precipitation also increases from 49 mm (1.9 in) over 9 days in April to 72 mm (2.8 in) across 13 days in May, contributing to a slight rise in humidity from 71% to 73%. For a detailed look at May weather, you can check Kalofer weather in May.

April and June present distinct weather patterns. In April, temperatures range from a chilly -3°C (28°F) at night to a pleasant 27°C (81°F) during the day, with an average of 11°C (52°F). The month sees moderate precipitation of 49 mm (1.9 in) spread over 9 days, maintaining a relatively high humidity level of 71%. In contrast, June experiences warmer temperatures, with minimums of 7°C (44°F) and maximums soaring to 35°C (96°F), averaging 20°C (68°F). However, it also brings increased rainfall, totaling 119 mm (4.7 in) over 18 days, while humidity decreases slightly to 67%. For more detailed insights, you can check out Kalofer weather in June.

In April, temperatures can range from a chilly minimum of -3°C (28°F) to a pleasant maximum of 27°C (81°F), with an average temperature of around 11°C (52°F). The month experiences moderate precipitation, totaling 49 mm (1.9 in), and rain falls on approximately 9 days, contributing to a humidity level of 71%. In contrast, July offers significantly warmer weather, with temperatures starting at a minimum of 11°C (52°F) and soaring up to 37°C (99°F), averaging around 22°C (73°F). However, it is also wetter, with precipitation measuring 100 mm (3.9 in) over 12 days, while humidity remains relatively lower at 68%. For those interested in specific July conditions, more details can be found in this link: Kalofer weather in July.

April and August present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -3°C (28°F) to a pleasant average of 11°C (52°F), peaking at 27°C (81°F). This month also sees a fair amount of precipitation, with about 49 mm (1.9 in) falling over 9 days, contributing to a higher humidity level of 71%. In contrast, August experiences much warmer weather, with temperatures starting at a mild 10°C (50°F), averaging around 23°C (74°F), and soaring to a maximum of 39°C (102°F). Precipitation is less frequent in August, with only 37 mm (1.5 in) over 6 days and lower humidity at 50%. For more detailed insights, you can check Kalofer weather in August.

In April, temperatures range from a chilly minimum of -3°C (28°F) to a more pleasant average of 11°C (52°F), with maximums reaching up to 27°C (81°F). The month is characterized by relatively higher precipitation, totaling 49 mm (1.9 in) over about 9 days, and a humidity level of 71%. In contrast, September brings warmer conditions, with minimum temperatures around 1°C (34°F) and an average of 19°C (66°F), peaking at a striking 34°C (94°F). Rainfall is significantly less during this month, accumulating only 20 mm (0.8 in) over just 4 days, and humidity drops to 59%. For more detailed insights on weather conditions in September, check out Kalofer weather in September.

April and October present contrasting weather as spring transitions to autumn. In April, temperatures vary from a low of -3°C (28°F) to a pleasant average of 11°C (52°F), with a maximum reaching up to 27°C (81°F). This month experiences around 49 mm (1.9 in) of precipitation over 9 days, accompanied by a humidity level of 71%.

In contrast, October features slightly milder temperatures, with minimums around 1°C (34°F) and an average of 13°C (55°F), peaking at a warm 31°C (88°F). Precipitation slightly increases to 58 mm (2.3 in) but falls over fewer days (7), while humidity rises to 79%. For more detailed weather insights, you can check Kalofer weather in October.

April and November present contrasting yet mild weather patterns. In April, temperatures range from a minimum of -3°C (28°F) to a pleasant average of 11°C (52°F), with maximums reaching up to 27°C (81°F). This month experiences about 49 mm (1.9 in) of precipitation over 9 days, with a humidity of 71%. In contrast, November sees slightly cooler conditions, with a minimum of -4°C (26°F) and an average of 8°C (46°F), while maximum temperatures reach about 25°C (77°F). November also experiences a bit more precipitation at 53 mm (2.1 in) across 7 days, but the humidity rises significantly to 87%. For more detailed weather insights in November, you can visit Kalofer weather in November.

April and December present stark contrasts in weather conditions. In April, temperatures range from a minimum of -3°C (28°F) to a maximum of 27°C (81°F), with an average around 11°C (52°F). The month sees about 49 mm (1.9 in) of precipitation over roughly 9 days, coupled with a humidity level of 71%. In contrast, December is much colder, with temperatures dipping to a minimum of -11°C (12°F) and only reaching a maximum of 16°C (62°F), averaging around 3°C (38°F). The month experiences higher precipitation at 71 mm (2.8 in) over about 10 days and a humid atmosphere with 89% humidity. For those interested in learning more about Kalofer's December weather, you can check this link: Kalofer weather in December.

Compare Kalofer's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kalofer

As April unfolds in Kalofer, a notable transformation in weather patterns emerges, distinctly setting this month apart from the chill of winter and the warmth of summer. With a maximum temperature reaching up to 27°C (81°F), the days begin to feel pleasantly mild, while the average temperature sits at a comfortable 11°C (52°F). April brings a refreshing humidity level of 71% and a total precipitation of 49 mm (1.9 in) over nine days, providing a lush backdrop to this vibrant springtime. Unlike the harsher conditions of preceding months, April invites outdoor activities and the blossoming of nature, marking the start of a joyous season. For further insights into annual weather trends, explore the details on Kalofer Climate.