April Weather in Calw, Germany

Last updated: February 26, 2025

April in Calw, Germany showcases a captivating transition from the remnants of winter to the warmth of spring. With temperatures peaking at 26°C (79°F), the month averages a refreshing 9°C (49°F), while dipping to a chilly minimum of -5°C (24°F) on occasion. Rainfall is prevalent, accumulating to 52 mm (2.0 in) over 9 days, contributing to the region's lush greenery. Coupled with a high humidity level of 83%, April’s weather sets the stage for an invigorating exploration of nature's rebirth in this charming locale.

April Temperature in Calw

In April, Calw, Germany, experiences a noticeable shift towards warmer weather as spring takes hold. With minimum temperatures rising to -5°C (24°F) and averages settling around 9°C (49°F), the chill of winter begins to fade. The maximum temperatures soar to a delightful 26°C (79°F), showcasing the transition from the cold months of earlier in the year. This month stands as a promising harbinger of the upcoming warmth, as it shows a dramatic increase from March's highs and reflects a steady climb towards the balmy temperatures of May and June. April's temperate conditions not only invite outdoor activities but also usher in the vibrant blooms of spring, making it a truly refreshing time in Calw.

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

The chart illustrates April temperature patterns in Calw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343742495564666658514137
Data source: Temperature data for Calw generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Calw

April in Calw, Germany, marks a notable shift in precipitation patterns, receiving just 52 mm (2.0 in) of rain over 9 days. Compared to the preceding months of January, February, and March, which saw more substantial rainfall ranging from 83 mm to 99 mm, April experiences a refreshing decrease. This trend of lighter rain contrasts sharply with May's anticipated uptick, where precipitation jumps to 112 mm (4.4 in) with 16 rainy days, heralding the wet spring season. Overall, April serves as a brief respite from the heavier downpours typical of the earlier months, offering a glimpse of the blooming flora as the region transitions towards the warmer and wetter late spring.

April Precipitation Trends in Calw

The chart displays monthly precipitation patterns in Calw, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92839952112114107111668762123
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Calw

In April, Calw, Germany, experiences a notable shift in humidity as the levels drop to 83%, signaling the arrival of spring. This decrease follows a gradual trend from the 91% humidity of January, reflecting the transition from winter's damp chill to the milder, more comfortable conditions of the season. The trend of decreasing humidity continues into May with 79%, setting the stage for drier, warmer months ahead. Overall, the gradual decline from the frosty depths of winter to the fresh beginnings of spring highlights the seasonal rhythm of Calw, where each month brings a subtle change in atmosphere, ultimately inviting residents and visitors to embrace the beauty of the flourishing landscape.

April Average Humidity in Calw

This chart illustrates the average monthly humidity levels in Calw, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Calw

In April, Calw, Germany, experiences a notable shift in its UV Index, rising to 6 which falls into the high exposure category. This increase signals a transition from the milder conditions of earlier months, such as March's moderate index of 5, to a more intense sun that requires caution. With a burn time of only 25 minutes, it's essential for residents and visitors alike to prioritize sun protection as they spend time outdoors. This trend indicates that as spring progresses, UV rays become increasingly potent, paving the way for even higher indices in the coming months, peaking at 9 in the summer. For detailed information on UV levels throughout the year, check the Calw UV Index.

Maximum UV Index Levels in Calw for April

The chart shows the monthly maximum UV Index (UVI) for Calw 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Calw 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 Calw

April in Calw, Germany, heralds a vibrant transition into spring with an impressive 346 hours of sunshine—a notable increase from the 279 hours in March. This upward trend not only continues the upward momentum seen since the beginning of the year but also sets the stage for even sunnier months ahead, as May offers an alluring 381 hours and June peaks at 390 hours. Each month indicates a clear shift towards warmer days, coaxing nature back to life and inviting residents to indulge in the blossoming beauty of the season. With April acting as a delightful midpoint, it perfectly captures the essence of spring's awakening in this picturesque German town.

Monthly Sunshine Duration in Calw: April Highlighted

The April sunshine duration represents the total number of hours Calw 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h205h279h346h381h390h411h377h318h263h194h147h
Data source: Calw April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calw During April

As spring unfolds in Calw, Germany, April brings a welcome increase in sunny weather, with a 47% chance of sunshine, marking it as one of the brightest months of the year. This uplift contrasts sharply with the bleak winter months where January recorded a mere 12%, and even the early spring months of February and March only managed 40% and 41% respectively. The transition into April is not just a step towards warmer weather but also a signal of renewal, offering longer days and a more vibrant atmosphere. However, the sunny disposition does not last long, as May and June see a decline in sunny days, dipping down to 31% each. This trend highlights April as a pivotal moment where the sun begins to reclaim its presence, inviting residents and visitors alike to embrace the beauty of springtime in Calw.

Percentage of Sunny Days in April in Calw

The chart illustrates the percentage of sunny days in Calw 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 Calw experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%41%47%31%31%37%34%46%34%26%19%
Data source: Calw April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calw in April

As spring unfolds in Calw, Germany, April brings a delightful increase in daylight, with the sun gracing the sky for 13 hours—a significant leap from the 11 hours in March. This trend of lengthening days marks a joyful transition from the shorter, gloomier winter months, such as January and February, which offer only 8 and 10 hours of daylight, respectively. Following April, the days grow even longer, peaking in June with a glorious 16 hours of sunshine. This burgeoning daylight not only enhances the natural beauty of the surroundings but also invigorates the spirit, inviting both residents and visitors to enjoy the vibrant outdoor life that characterizes this season.

Average Daylight Hours in Calw for April

The chart illustrates the variation in daylight duration in Calw throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 45m10h 10m11h 55m13h 43m15h 17m16h 5m15h 39m14h 16m12h 32m10h 44m9h 9m8h 18m
Data source: Calw daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Calw

In Calw, Germany, April is characterized by a gentle breeze, with an average wind speed of 2.7 m/s (6 mph), marking a noticeable decrease from the previous months. This drop contrasts with the season's transition, as March held steady at 3.0 m/s (7 mph). Notably, April serves as a precursor to the windier months ahead; the average wind speed rises again in May to 3.6 m/s (8 mph). This pattern reflects a broader trend in which winter months generally feature stronger winds, while spring gradually brings milder conditions. As the weather warms, the calming April winds often herald the vibrant blooms of spring, creating an inviting atmosphere that encourages outdoor activities in this picturesque town.

Average April Wind Speed in Calw

The chart displays monthly wind speed patterns in Calw, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.03.02.7 m/s3.62.12.32.52.02.62.53.1
Data source: Calw April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Calw Compares to Other Months

The weather in Calw changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Calw and find detailed weather information for every month.

April and January present stark contrasts in weather patterns. In April, temperatures range from a minimum of -5°C (24°F) to a maximum of 26°C (79°F), with an average of 9°C (49°F). The month also sees about 52 mm (2.0 in) of precipitation over 9 days, accompanied by a humidity level of 83%. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid minimum of -21°C (-6°F) to a maximum of 13°C (56°F), and an average of just 1°C (34°F). This month is wetter, receiving approximately 92 mm (3.6 in) of precipitation over 13 days, alongside higher humidity levels at 91%. For more details on January weather, visit Calw weather in January.

April generally enjoys milder weather compared to February, with average temperatures rising from 3°C (38°F) in February to 9°C (49°F) in April. The maximum temperatures in April can reach up to 26°C (79°F), providing a stark contrast to February’s maximum of 19°C (67°F). However, February experiences slightly more precipitation, with 83 mm (3.3 in) falling over 11 days, compared to April’s 52 mm (2.0 in) over 9 days. Humidity levels remain high in both months, with April at 83% and February slightly higher at 89%. For more detailed insights, you can check Calw weather in February.

April's weather shows a noticeable warming trend compared to March, with average temperatures rising from March's 5°C (42°F) to a more comfortable 9°C (49°F). The maximum temperature in April reaches 26°C (79°F), significantly higher than March's peak of 22°C (71°F). However, April experiences slightly less precipitation at 52 mm (2.0 in) over 9 days, compared to March's 99 mm (3.9 in) across 15 days. Additionally, humidity remains similar, with April at 83% and March at 87%, indicating a slightly drier atmosphere in April. For more detailed information, you can visit Calw weather in March.

April and May display notable differences in weather characteristics. In April, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 26°C (79°F), with an average of 9°C (49°F). The month experiences around 52 mm (2.0 in) of precipitation over 9 days, coupled with a high humidity level of 83%. Conversely, May introduces milder temperatures, with minimums of -1°C (31°F), an average of 13°C (55°F), and maximums reaching 29°C (85°F). However, it is also a wetter month, receiving 112 mm (4.4 in) of rain over 16 days, leading to slightly lower humidity at 79%. For more detailed information, you can visit Calw weather in May.

April and June experience notable differences in weather patterns, with April marking the transition from winter to spring. In April, temperatures range from a chilly minimum of -5°C (24°F) to a maximum of 26°C (79°F), averaging around 9°C (49°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 9 days, coupled with relatively high humidity at 83%.

In contrast, June brings significantly warmer conditions, with minimum temperatures of 5°C (41°F) and maximums soaring up to 33°C (91°F), resulting in an average temperature of 18°C (65°F). Rainfall increases during this month, with a total of 114 mm (4.5 in) spread across about 14 days, while the humidity remains similar at 82%. For further insights on June weather specifics, you can visit Calw weather in June.

April and July present distinct contrasts in weather patterns. In April, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable average of 9°C (49°F), peaking at a mild 26°C (79°F). The month experiences 52 mm (2.0 in) of precipitation over about 9 days, accompanied by a high level of humidity at 83%. In contrast, July sees warmer conditions, with temperatures ranging from a minimum of 8°C (46°F) to an average of 19°C (66°F), and maximums reaching up to 34°C (94°F). The month also experiences increased precipitation, totaling 107 mm (4.2 in) over approximately 14 days, while maintaining the same humidity level of 83%. For a more detailed look at July's weather, check out Calw weather in July.

April and August present contrasting weather patterns in terms of temperature and precipitation. In April, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 26°C (79°F), with an average of 9°C (49°F). The month experiences about 52 mm (2.0 in) of precipitation over approximately 9 days, with humidity levels around 83%. In stark contrast, August showcases warmer temperatures, with a minimum of 5°C (42°F), an average of 19°C (66°F), and a maximum reaching 34°C (93°F). This month sees significantly higher precipitation at 111 mm (4.4 in) across 16 days, while humidity remains relatively stable at 84%. For more detailed information on August weather, you can visit Calw weather in August.

April and September showcase distinct weather patterns. In April, temperatures can fluctuate significantly, with a minimum of -5°C (24°F) and a comfortable average of 9°C (49°F), peaking at 26°C (79°F). The month sees approximately 52 mm (2.0 in) of precipitation over 9 days, along with a notable humidity level of 83%. In contrast, September presents a milder climate, starting with a minimum of 1°C (34°F) and averaging 14°C (58°F), reaching a maximum of 29°C (84°F). This month typically receives a bit more rain, totaling 65 mm (2.6 in) across 12 days, and experiences slightly higher humidity at 85%. For more detailed insights on September's climate, you can visit Calw weather in September.

April and October present distinct weather patterns, reflecting the transition between seasons. In April, temperatures range from a minimum of -5°C (24°F) to a maximum of 26°C (79°F), with an average of 9°C (49°F). The month sees about 52 mm (2.0 in) of precipitation over 9 days and maintains a humidity level of 83%. In contrast, October experiences slightly milder temperatures, with a minimum of -1°C (30°F), an average of 10°C (51°F), and a maximum of 24°C (76°F). Precipitation is higher in October, totaling 86 mm (3.4 in) over 13 days, and humidity increases to 88%. For more specific details on October weather, visit Calw weather in October.

In comparing the weather of April and November, we observe distinct differences in temperature and precipitation. April experiences a broader temperature range, with minimums at -5°C (24°F) and maximums reaching 26°C (79°F), resulting in a more variable climate. The average temperature for April is 9°C (49°F), and it sees about 52 mm (2.0 in) of precipitation over 9 days, with humidity around 83%.

In contrast, November has a slightly milder range, with minimums at -4°C (25°F) and maximums at 21°C (70°F). Its average temperature drops to 5°C (41°F), and it tends to be wetter, receiving 62 mm (2.4 in) of precipitation over 11 days, coupled with increased humidity at 89%. For more information on the weather in November, you can visit Calw weather in November.

April and December showcase contrasting weather patterns. In April, temperatures range from a chilly -5°C (24°F) to a warm 26°C (79°F), with an average of 9°C (49°F). This month experiences 52 mm (2.0 in) of precipitation over about 9 days, coupled with a humidity level of 83%. In contrast, December tends to be much colder, with temperatures dipping from -10°C (15°F) to a maximum of 13°C (56°F), averaging just 3°C (37°F). This month sees significantly higher precipitation at 123 mm (4.8 in) spread over 18 days, with a humidity level of 91%. For more insights on December weather, visit Calw weather in December.

Compare Calw's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Calw

April in Calw brings a refreshing transition from the chill of winter to the warmth of spring. With temperatures ranging from a brisk minimum of -5°C to a pleasant maximum of 26°C, this month is characterized by fluctuating conditions that can surprise even the most seasoned weather-watchers. Despite enjoying the emergence of new blossoms, April does not shy away from precipitation, with an average of 52 mm spread across 9 rainy days, leading to a notably high humidity level of 83%. This combination of weather leads to a vibrant landscape, making it a delightful time for outdoor enthusiasts. For a more in-depth look at what to expect throughout the year, check out Calw Climate.