April Weather in China, Japan

Last updated: August 21, 2025

April in China and Japan presents a vibrant atmospheric transition as temperatures rise, with a maximum of 25°C (78°F) and an average of 21°C (70°F). The warmth, however, is accompanied by higher humidity levels at 82%, creating a distinctly refreshing feel. Amidst this climate, expect approximately 119 mm (4.7 in) of rainfall distributed over 12 days, fostering lush green landscapes and blooming flora. This month captures the essence of spring, inviting both residents and travelers to enjoy the rich natural beauty and cultural vibrancy of these East Asian nations.

April Temperature in China

In April, temperatures in China and Japan begin to hint at the warmth of spring, with minimums averaging 15°C (59°F) and maximums reaching 25°C (78°F). This shift marks a gradual climb from the cooler early months, as both countries experience a delightful increase in average temperatures to 21°C (70°F). The pattern shows a consistent warming trend, with April poised as a transitional month that bridges the briskness of winter with the balmy days of summer. This makes it an ideal time for outdoor activities as nature awakens, enhancing the charm of both landscapes.

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

The chart illustrates April temperature patterns in China, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In China, 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).
JanFebMarAprMayJunJulAugSepOctNovDec646467697479828382787367
Data source: Temperature data for China 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 China

In April, China and Japan experienced a notable dip in precipitation, receiving an average of 119 mm (4.7 in) over about 12 days of rainfall. This marks a decrease from the wetter conditions seen in March, which boasted 138 mm (5.5 in) over the same number of days. The trend leading into the spring indicates a slight easing of moisture, as the region prepares for the heavier rainfall typically associated with May and June. Interestingly, while April's precipitation is less than the preceding month, it sets the stage for an increase in May, where precipitation skyrockets to 206 mm (8.1 in). This annual cycle reflects the dynamic climate patterns prevalent in East Asia, showcasing nature's rhythm as it transitions into the lush summer months.

April Precipitation Trends in China

The chart displays monthly precipitation patterns in China, 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 China, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec105113138119206403174152210142112135
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in China

In April, humidity levels in China and Japan typically rise to 82%, reflecting a steady upward trend following March's 76%. This increase marks a significant shift as spring begins to transition into summer, leading to warmer temperatures and increased moisture in the air. The progression doesn't end here; as the months advance toward June, the humidity continues to climb, reaching a peak of 86% in the summer months. This pattern illustrates a clear seasonal trend, where April serves as a pivotal point, heralding the onset of a more humid climate that characterizes the region's warmer months.

April Average Humidity in China

This chart illustrates the average monthly humidity levels in China, 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 China is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%76%82%84%86%86%82%82%81%79%75%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in China

As spring blooms in April, the UV Index in China and Japan soars to an extreme level of 12, requiring only 10 minutes of sun exposure before sunburn can occur. This trend marks a significant leap from the preceding months, where January started at a moderate 7 and gradually escalated to 11 in March. It's a critical reminder that the days are getting sunnier and more intense, urging careful sun protection practices. The extreme UV conditions are not just a fleeting occurrence; they signal the arrival of a sustained phase of high UV exposure that continues into May and June, where indices remain at 13. As you plan outdoor activities, be sure to stay informed on safe sun exposure guidelines by checking the China UV Index to protect your skin and enjoy the season safely.

Maximum UV Index Levels in China for April

The chart shows the monthly maximum UV Index (UVI) for China 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 China typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7811121313131313986
Data source: China 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 China

As the warmth of April unfolds across China and Japan, the trend in sunshine hours highlights the gradual emergence of a more radiant spring. After a promising start in January with just 149 hours, there is a notable increase each month, culminating in 264 hours of sunshine in April. This steady ascent mirrors the blossoming of cherry blossoms and the vibrant energy of the season. Not only does April bridge the chill of winter and the heat of summer, but it also marks a vital point in the sunshine trajectory, setting the stage for even sunnier months ahead, with May leading the way at 298 hours. This rhythm of increasing light showcases not just the changing seasons but also the cultural revival felt in both countries, as nature awakens and communities come alive under the brightening skies.

Monthly Sunshine Duration in China: April Highlighted

The April sunshine duration represents the total number of hours China 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h194h262h264h298h261h315h318h292h272h229h192h
Data source: China April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in China During April

In April, the likelihood of sunny weather in China and Japan stands at 39%, marking a noticeable dip from the peak achieved in March at 44%. This month sits amidst fluctuating probabilities, where January begins the year with a mere 23%, progressively increasing until March. Post-April, the chances decline significantly, particularly in June, which drops to an alarming 11%. Interestingly, after the spring months, September revives the spirits with a striking 58% likelihood of sunshine, suggesting a seasonal shift towards clearer skies as summer approaches. Overall, April offers a promising window for sunshine, albeit slightly less than its immediate predecessor.

Percentage of Sunny Days in April in China

The chart illustrates the percentage of sunny days in China 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 China experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%43%44%39%25%11%25%39%58%47%36%31%
Data source: China April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in China in April

As spring unfolds in April, daylight in China and Japan enjoys a notable increase, reaching a welcoming 12 hours. This marks a delightful shift from the steady 11 hours seen in both February and March, signaling the transition into brighter days. Following April's gentle rise, the days continue to lengthen into May, peaking at 13 hours of daylight, a duration that remains consistent through the summer months. This gradual increase in light not only enhances outdoor activities but also fosters a sense of optimism and renewal, characteristic of the season. As the year progresses, we begin to witness a gradual decline in daylight, reminiscent of nature's cycles, with hours tapering back to 11 hours by October and settling at 10 hours in the winter months.

Average Daylight Hours in China for April

The chart illustrates the variation in daylight duration in China throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 36m11h 12m11h 59m12h 48m13h 29m13h 49m13h 39m13h 3m12h 17m11h 29m10h 47m10h 26m
Data source: China daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in China

As April sweeps into China and Japan, the average wind speed registers at a brisk 7.9 m/s (18 mph), showcasing a slight uptick from the preceding months. This increase reflects a typical seasonal pattern, as the wind tends to pick up in the spring. After a dip to 6.1 m/s (14 mph) in March, April's winds herald the warmer months ahead, contrasting noticeably with the calmer breezes of late summer, when speeds drop to 5.6 m/s (12 mph) in September. Interestingly, April's values align with both January and November, which also experience prominent winds at 8.1 m/s (18 mph), suggesting that transitions in these months are marked by stronger gusts. Overall, April serves as a vibrant reminder of nature’s dynamic rhythms as it propels us into the blooming embrace of spring.

Average April Wind Speed in China

The chart displays monthly wind speed patterns in China, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.17.86.17.9 m/s6.46.27.66.95.67.88.17.5
Data source: China April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in China Compares to Other Months

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

April generally brings warmer temperatures compared to January, with an average of 21°C (70°F) versus January's 18°C (64°F). The minimum temperature in April is slightly higher at 15°C (59°F), compared to January's 12°C (53°F), while the maximum temperatures are similar, with April reaching up to 25°C (78°F) and January peaking at 23°C (74°F). Precipitation in April is also higher, totaling 119 mm (4.7 in) over 12 days, while January sees 105 mm (4.1 in) over just 10 days. Additionally, the humidity level in April is considerably higher at 82%, compared to 71% in January. For more details on January weather, you can refer to China weather in January.

April weather tends to be warmer and more humid than February. With average temperatures reaching 21°C (70°F) compared to February's 18°C (64°F), April offers a more pleasant climate for outdoor activities. However, April also experiences slightly higher precipitation, with 119 mm (4.7 in) over 12 days, compared to February's 113 mm (4.5 in) over 13 days. Additionally, the humidity increases in April to 82%, making it feel more muggy than the 71% humidity seen in February. For more information about February weather, you can visit China weather in February.

In comparing the weather between March and April, March tends to be slightly cooler with an average temperature of 19°C (67°F) compared to April's 21°C (70°F). Notably, April records a higher maximum temperature of 25°C (78°F), while March peaks at 24°C (75°F). Regarding precipitation, March experiences a bit more rain, totaling 138 mm (5.5 in) over 13 days, in contrast to April's 119 mm (4.7 in) over 12 days. Additionally, April's humidity level averages 82%, slightly higher than March's 76%. For a more detailed look at March weather, you can visit China weather in March.

April and May both offer mild temperatures, but May tends to be slightly warmer, with minimum temperatures rising from 15°C (59°F) in April to 19°C (66°F). The average temperature in May is 23°C (74°F), compared to April’s 21°C (70°F), and the maximum temperature also increases to 27°C (80°F). However, May experiences a noticeable increase in precipitation, totaling 206 mm (8.1 in) over 13 days, compared to April’s 119 mm (4.7 in) across 12 days. Additionally, humidity remains relatively high in both months, with May at 84% and April at 82%. For more details on weather conditions, you can visit China weather in May.

April and June present distinctly different weather profiles. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 25°C (78°F), with an average of 21°C (70°F). However, the month is characterized by significant rainfall, with precipitation totaling 119 mm (4.7 in) over 12 days and humidity at 82%. In contrast, June sees warmer temperatures, with a minimum of 22°C (71°F) and a maximum of 28°C (83°F), averaging 26°C (79°F). The precipitation dramatically increases to 403 mm (15.9 in) over 20 days, raising the humidity to 86%. For more detailed insights into the weather patterns in this month, you can check China weather in June.

April and July showcase quite distinct weather patterns. In April, temperatures range from a mild minimum of 15°C (59°F) to a pleasant maximum of 25°C (78°F), with an average temperature of 21°C (70°F). This month sees relatively high humidity at 82% and experiences 119 mm (4.7 in) of precipitation across 12 days. In contrast, July brings noticeably warmer temperatures, with a minimum of 26°C (78°F), an average of 28°C (82°F), and a peak of 30°C (87°F). While July has slightly fewer rainy days at 11, it records a higher total precipitation of 174 mm (6.8 in) and a humidity level of 86%. This makes July significantly warmer and more humid than April. For more details on July weather, check out China weather in July.

April and August exhibit distinct weather characteristics. In April, temperatures range from a minimum of 15°C to a maximum of 25°C, with an average of 21°C, making it a mild month. However, it experiences significant precipitation, totaling 119 mm over 12 days, combined with high humidity levels of 82%. In contrast, August sees warmer temperatures, with a minimum of 25°C and a maximum of 30°C, averaging 28°C. Precipitation also increases to 152 mm spread over 14 days, yet humidity remains constant at 82%. These differences highlight the transition from the cooler, wetter conditions of April to the hotter, albeit still humid, atmosphere of August. For more information, you can explore China weather in August.

April is characterized by milder temperatures, with daytime averages around 21°C (70°F) and a maximum of 25°C (78°F). The month experiences relatively high humidity at 82%, along with frequent rainfall, amounting to about 119 mm (4.7 in) over approximately 12 days. In contrast, September brings warmer conditions, with average temperatures rising to 28°C (82°F) and highs reaching 30°C (86°F). This month also sees increased precipitation, totaling around 210 mm (8.3 in) over 20 days, while maintaining the same humidity level of 82%. For more details on the weather during this month, you can visit China weather in September.

In comparing weather conditions between April and October, we find distinct differences in temperature and precipitation patterns. In April, temperatures range from a mild 15°C (59°F) at the minimum to a comfortable 25°C (78°F) at the maximum, averaging around 21°C (70°F). This month experiences an average of 119 mm (4.7 inches) of rainfall over 12 days, along with relatively high humidity levels at 82%.

In contrast, October offers warmer temperatures, with minimums at 21°C (70°F) and maximums reaching 29°C (84°F), averaging 26°C (78°F). Despite being slightly rainier with 142 mm (5.6 inches) of precipitation across 13 days, the humidity remains comparable at 80%. For more detailed insights into weather conditions, you can visit China weather in October.

In April, the weather features a milder temperature range, with minimums around 15°C (59°F) and maximums reaching 25°C (78°F), while November experiences slightly warmer conditions, with minimums at 18°C (65°F) and maximums peaking at 27°C (80°F). Both months see a similar amount of precipitation, with April receiving 119 mm (4.7 in) over about 12 days and November slightly less at 112 mm (4.4 in) across 11 days. Humidity levels are relatively high in April at 82%, compared to November's 79%, contributing to a comfortable yet slightly more humid atmosphere in early spring. For more details on November weather in China, you can check China weather in November.

April and December offer a blend of pleasant and relatively mild weather, albeit with some differences. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 25°C (78°F), averaging around 21°C (70°F), while December sees slightly cooler temperatures with a minimum of 13°C (56°F) and an average of 19°C (67°F) peaking at 25°C (77°F). Precipitation in April is moderate at 119 mm (4.7 in) over 12 days, while December experiences slightly more rain at 135 mm (5.3 in) over 15 days, making it a bit wetter overall. Additionally, April has higher humidity at 82%, compared to December's 75%, contributing to a more humid feel in spring. For a detailed look at December weather in China, visit China weather in December.

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Conclusion: What to Expect From April Weather in China

As April unfolds in China, it heralds a transition into warmer temperatures, distinguishing itself from the cooler months preceding it. With an average of 21°C (70°F), daylight becomes increasingly pleasant, although one can still expect a fair amount of rain, accompanied by high humidity levels of 82%. This month offers a refreshing contrast to the briskness of winter and the dryness of summer, making it a unique time for vibrant flora to burst into bloom. Despite the 12 days of precipitation totaling 119 mm (4.7 in), these showers are essential for nourishing the landscape. For those intrigued by the broader climate patterns across the region, visit China Climate for a detailed overview.