April Weather in Kastamonu, Turkey

Last updated: August 27, 2025

April in Kastamonu, Turkey is characterized by variable temperatures and moderate precipitation, making it a dynamic spring month. The maximum temperature can soar to a pleasant 28°C (82°F), while the average temperature hovers around a cool 9°C (49°F), dipping as low as -4°C (26°F) at times. Over the course of the month, 52 mm (2.1 in) of rain typically falls across approximately 11 days, contributing to a humidity level of 77% that envelops the region. This combination of warmth, coolness, and moisture heralds the vibrancy of spring, inviting both locals and visitors to enjoy the natural beauty surrounding Kastamonu.

April Temperature in Kastamonu

In Kastamonu, Turkey, April marks a notable transition from the chill of winter to the warmth of spring. Temperatures during this month range from a minimum of -4°C (26°F) at night to a pleasant maximum of 28°C (82°F) during the day, promoting a dynamic shift in the atmosphere. The average temperature settles at 9°C (49°F), reflecting a steady climb from the cooler earlier months. This trend highlights not only the gradual awakening of the landscape as nature begins to flourish but also invites residents and visitors alike to enjoy outdoor activities in a refreshing climate. As the days grow longer and brighter, the contrast between the crisp mornings and sunny afternoons embodies the essence of springtime in this charming region.

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

The chart illustrates April temperature patterns in Kastamonu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastamonu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323640495864706963544338
Data source: Temperature data for Kastamonu 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 Kastamonu

In April, Kastamonu experiences a notable transition in weather, with precipitation amounts measuring 52 mm (2.1 in) across 11 days. This marks a slight decrease from the 80 mm (3.2 in) recorded in March, yet reflects the typical spring pattern as the region prepares for the warmer months ahead. The rainfall in April serves as a critical foundation for that season's growth, fostering the revival of lush greenery after winter's chill. As we move into May, precipitation increases again to 73 mm (2.9 in), suggesting a vibrant spring period filled with blooming flora and a nourishing environment. Overall, the steady rainfall in April contributes to the gradual shift from early spring to the bustling growth period, highlighting the dynamic climate of Kastamonu.

April Precipitation Trends in Kastamonu

The chart displays monthly precipitation patterns in Kastamonu, 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 Kastamonu, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec505680527378322526373658
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kastamonu

As spring unfolds in Kastamonu, Turkey, April brings a notable shift in humidity levels, dipping to 77%, a drop from the 85% observed in March. This transition marks the beginning of a trend towards warmer and drier conditions, as the humidity continues to decrease through May, reaching 76%. The initial months of the year are characterized by higher humidity, hovering around 87% in January and February. However, as the seasons progress into summer, Kastamonu experiences a significant decline, with humidity plummeting to a low of 45% in August, reflecting the region's gradual shift towards a more arid climate. This pattern underscores a clear seasonal rhythm, offering a glimpse into the climatic diversity of Kastamonu throughout the year.

April Average Humidity in Kastamonu

This chart illustrates the average monthly humidity levels in Kastamonu, 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 Kastamonu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%77%76%68%55%45%57%77%86%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kastamonu

April in Kastamonu, Turkey, marks a noticeable shift in the UV Index, escalating to 8, which falls into the very high exposure category. This increase signifies that sun safety becomes increasingly important, as the recommended burn time decreases dramatically to just 15 minutes. Compared to earlier months—where the UV Index hovered between 3 and 7—April encourages residents and visitors alike to adopt protective measures to enjoy the outdoors safely. Following this trend, the UV Index climbs even higher, reaching 9 in May, emphasizing the need for vigilance as warmer months approach. For more detailed information on sun safety throughout the year, visit Kastamonu UV Index.

Maximum UV Index Levels in Kastamonu for April

The chart shows the monthly maximum UV Index (UVI) for Kastamonu 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 Kastamonu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347891110108642
Data source: Kastamonu 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 Kastamonu

As spring fully embraces Kastamonu, April shines with an impressive 332 hours of sunlight, marking a delightful increase from 296 hours in March. This upward trend continues as the days lengthen, leading into May, when the sunshine peaks at 395 hours. The gradual build-up of daylight not only brightens the landscape but also enhances the allure of outdoor activities. With April signifying a transitional phase, Kastamonu welcomes visitors to bask in its growing warmth, setting the stage for the sun-soaked days of summer ahead, where July reaches an exhilarating 426 hours of glorious sunshine. As the year progresses, it's clear that Kastamonu’s sunny disposition makes it an inviting destination for both adventurers and nature lovers alike.

Monthly Sunshine Duration in Kastamonu: April Highlighted

The April sunshine duration represents the total number of hours Kastamonu 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.
JanFebMarAprMayJunJulAugSepOctNovDec171h235h296h332h395h399h426h397h341h303h250h219h
Data source: Kastamonu April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kastamonu During April

In Kastamonu, Turkey, the likelihood of sunny weather in April is approximately 30%, which reflects a pattern of fluctuating sunshine throughout the year. Following a slightly lower chance in March at 33%, April brings a marginal dip in sunny days before the weather begins to brighten significantly in May, where the sun shines 54% of the time. This gradual transition hints at the arrival of spring, indicating that while April may offer some overcast days, it sets the stage for sunnier months ahead, particularly as July and August boast impressive probabilities of 68% and 64% sunshine, respectively. Thus, while April may not be the sunniest month, it plays a pivotal role in the shift towards warmer days.

Percentage of Sunny Days in April in Kastamonu

The chart illustrates the percentage of sunny days in Kastamonu 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 Kastamonu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%41%33%30%54%52%68%64%47%48%42%37%
Data source: Kastamonu April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kastamonu in April

As April arrives in Kastamonu, Turkey, residents are greeted with an increase in daylight, basking in 13 hours of sunshine that marks a notable extension from the 11 hours of March. This progression reflects a consistent trend as spring unfolds, with each month gradually introducing more light; from just 9 hours in January to a peak of 15 hours in June. The transition into warmer months not only brightens the days but also invigorates the spirit, laying the groundwork for the longer, sun-drenched days that summer will bring. As daylight begins to wane again in late summer, this April's abundance of sunshine provides a vital reminder of the vibrant seasonal shifts in this picturesque Turkish region.

Average Daylight Hours in Kastamonu for April

The chart illustrates the variation in daylight duration in Kastamonu throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 6m14h 47m13h 45m12h 25m11h 3m9h 51m9h 13m
Data source: Kastamonu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kastamonu

In Kastamonu, Turkey, the charming winds of April maintain a steady average speed of 2.4 m/s (5 mph), mirroring the breezes of the previous months. This consistency suggests that springtime offers a gentle touch across the region, as the wind picks up slightly from the dips seen earlier in March. Interestingly, while April's gusts align neatly with those of January, February, May, and July, they also contrast with the calmer summer months, where June sees a drop to 1.9 m/s (4 mph). As the season transitions, the winds remain a familiar companion, coaxing blossoms into bloom and invigorating the air with a refreshing spirit that welcomes the warmth of spring.

Average April Wind Speed in Kastamonu

The chart displays monthly wind speed patterns in Kastamonu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.32.4 m/s2.41.92.42.12.21.81.82.2
Data source: Kastamonu April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kastamonu Compares to Other Months

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

April weather tends to be significantly milder compared to January. With temperatures ranging from a minimum of -4°C (26°F) to a pleasant average of 9°C (49°F), reaching a maximum of 28°C (82°F), April offers a wide temperature variance as the region transitions into spring. In contrast, January experiences much colder conditions, with temperatures dipping as low as -17°C (1°F) and an average of 0°C (32°F), peaking at only 16°C (61°F). Precipitation levels in April are similar to January, with 52 mm (2.1 in) over 11 days compared to January's 50 mm (2.0 in) over 10 days, but the humidity in January is notably higher at 87%, compared to April's 77%. For a deeper look at January's conditions, you can visit Kastamonu weather in January.

April and February present stark contrasts in weather, with February experiencing much colder temperatures. In February, temperatures range from a frigid minimum of -20°C (-4°F) to a maximum of 17°C (62°F), while April offers a milder range from -4°C (26°F) to a warm 28°C (82°F). Although both months receive similar amounts of precipitation—56 mm (2.2 in) in February and 52 mm (2.1 in) in April—the humidity levels are slightly higher in February at 87%, compared to April's 77%. For a detailed look at February conditions, you can visit Kastamonu weather in February.

April weather shows a notable improvement compared to March, with average temperatures rising from 4°C (40°F) in March to 9°C (49°F) in April. While March recorded a minimum temperature of -10°C (14°F), April’s temperatures stay milder, with a minimum of -4°C (26°F). Rainfall decreases in April, with 52 mm (2.1 in) over 11 days compared to March's 80 mm (3.2 in) spread over 14 days. Additionally, humidity levels drop slightly from 85% in March to 77% in April, suggesting a transition toward drier conditions. For more information on March weather, visit Kastamonu weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -4°C (26°F) to a comfortable maximum of 28°C (82°F), with an average temperature of 9°C (49°F). Precipitation is relatively moderate at 52 mm (2.1 inches) over about 11 days, and humidity sits at 77%. In contrast, May sees warmer temperatures, with a minimum of -1°C (30°F), an average of 14°C (58°F), and a maximum reaching 32°C (91°F). However, it also experiences higher precipitation levels at 73 mm (2.9 inches) across 15 days, while humidity remains slightly lower at 76%. For a more detailed look at May's climate, you can visit Kastamonu weather in May.

In April, the weather is quite variable, with temperatures ranging from a chilly minimum of -4°C (26°F) to a warm maximum of 28°C (82°F) and an average of 9°C (49°F). The month sees considerable precipitation, totaling 52 mm (2.1 in) across 11 days, and maintains a humidity level of 77%. In contrast, June presents a more consistent warmth, with minimum temperatures starting at 4°C (40°F) and peaking at a high of 32°C (90°F), averaging around 18°C (65°F). The rainfall increases to 78 mm (3.1 in) over 15 days, but the humidity decreases to 68%. For more detailed information on June's weather, you can check Kastamonu weather in June.

April and July offer contrasting weather experiences. In April, temperatures range from a chilly -4°C (26°F) to a pleasant 28°C (82°F), with an average of 9°C (49°F). The month sees considerable precipitation, with 52 mm (2.1 in) falling over 11 days, leading to a higher humidity level of 77%. In contrast, July brings warmth and higher temperatures, ranging from a minimum of 8°C (47°F) to a scorching maximum of 37°C (99°F), with an average of 21°C (70°F). Rainfall decreases to 32 mm (1.3 in) over just 6 days, resulting in lower humidity at 55%. For a closer look at July's weather specifics, visit Kastamonu weather in July.

April and August present contrasting weather conditions. In April, temperatures can plummet to a chilling -4°C (26°F) at night, with an average of 9°C (49°F) and a maximum that reaches 28°C (82°F). This month is relatively wet, receiving 52 mm (2.1 in) of precipitation over 11 days, coupled with a high humidity level of 77%. In sharp contrast, August enjoys milder minimum temperatures of 9°C (48°F), with an average of 21°C (69°F) and maximums soaring up to a sweltering 36°C (96°F). The month sees significantly less precipitation, totaling only 25 mm (1.0 in) across just 5 days, and a lower humidity of 45%. For a detailed look at August conditions, check out Kastamonu weather in August.

April and September present quite different weather patterns. In April, temperatures can dip as low as -4°C (26°F), with an average of 9°C (49°F) and a maximum rising to 28°C (82°F). This month typically experiences about 52 mm (2.1 in) of precipitation over 11 days, coupled with higher humidity levels at 77%. In contrast, September features much milder temperatures, ranging from a minimum of 3°C (38°F) to an average of 17°C (63°F), with maximums reaching 37°C (98°F). The rainfall is considerably lighter, totaling just 26 mm (1.0 in) over 6 days and lower humidity at 57%. For more insights about the weather during this month, check out Kastamonu weather in September.

In comparing the weather between April and October, both months exhibit a range of temperatures, but with some notable differences. April has a minimum temperature of -4°C (26°F) and an average of 9°C (49°F), peaking at 28°C (82°F), while October shows a slightly warmer average of 12°C (55°F) with a minimum of -2°C (29°F) and a maximum of 29°C (85°F). Precipitation is higher in April, averaging 52 mm (2.1 in) over 11 days, compared to October's 37 mm (1.5 in) over just 7 days. Humidity levels are quite similar, with April at 77% and October slightly lower at 76%. For more detailed insights, you can check out Kastamonu weather in October.

When comparing the weather in April and November, notable differences emerge. April typically features a wider range of temperatures, with minimums of -4°C (26°F) and maximums reaching up to 28°C (82°F). The average temperature is around 9°C (49°F), accompanied by about 52 mm (2.1 in) of precipitation over 11 days, and a humidity level of 77%. In contrast, November experiences cooler conditions, with minimum temperatures dropping to -7°C (19°F) and maximums of 21°C (71°F). The average temperature is lower at 6°C (44°F), while precipitation is reduced to 36 mm (1.4 in) spread over 7 days, alongside a higher humidity of 86%. For a more in-depth look at November weather patterns, check out Kastamonu weather in November.

April and December present contrasting weather patterns. In April, temperatures can swing from a chilly low of -4°C (26°F) to a warm high of 28°C (82°F), with an average temperature of 9°C (49°F). Humidity levels are moderate at 77%, with precipitation totaling 52 mm (2.1 in) across 11 days. In comparison, December is much colder, with temperatures dipping as low as -13°C (10°F) and averaging around 3°C (38°F), peaking at 16°C (61°F). The month is slightly wetter, receiving 58 mm (2.3 in) of precipitation over 12 days and exhibiting higher humidity at 86%. For more details on December weather, you can check out Kastamonu weather in December.

Compare Kastamonu's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kastamonu

As April unfolds in Kastamonu, it brings a vibrant shift in weather, contrasting sharply with the chill of winter months. Temperatures see a significant rise, with the warmth inviting nature to bloom. Although the month experiences a fair bit of precipitation across roughly a third of its days, the overall ambience is increasingly inviting. With an average humidity of 77%, the air feels refreshing, making it a delightful time for outdoor activities. This transition marks a beautiful preview of the summer to come. For a deeper look into the overall weather patterns, visit Kastamonu Climate.