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April Weather in Kasama, Japan

Last updated: August 23, 2025

In April, the average temperature in Kasama, Japan hovers around 13°C (56°F). Visitors can expect minimum temperatures as low as -1°C (31°F) and an occasional maximum reaching 28°C (82°F). During this month, precipitation typically totals 122 mm (4.8 in) spread across 12 days, contributing to an average humidity of 73%.

April Temperature in Kasama

In April in Kasama, the average temperature is 13°C (56°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Kasama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasama, April typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148556570778073635343
Data source: Temperature data for Kasama 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 Kasama

In Kasama in April, the precipitation amount is 122 mm (4.8 in) over a span of 12 days.

April Precipitation Trends in Kasama

The chart displays monthly precipitation patterns in Kasama, 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 Kasama, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec41401371221321412261401692256956
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kasama

In Kasama in April humidity is 73%. With an average temperature of 13°C (56°F), this humidity feels like a cool, damp embrace that can be quite refreshing yet may require a light jacket for comfort while exploring the outdoors.

April Average Humidity in Kasama

This chart illustrates the average monthly humidity levels in Kasama, 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 Kasama is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kasama

In Kasama in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kasama.

Maximum UV Index Levels in Kasama for April

The chart shows the monthly maximum UV Index (UVI) for Kasama 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 Kasama typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109653
Data source: Kasama 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.

How April Weather in Kasama Compares to Other Months

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

This table compares monthly weather conditions in Kasama, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)41 mm (1.6 inches)76%moderate
February Weather5°C (41°F)40 mm (1.6 inches)75%moderate
March Weather9°C (48°F)137 mm (5.4 inches)72%high
April Weather13°C (56°F)122 mm (4.8 inches)73%very high
May Weather18°C (65°F)132 mm (5.2 inches)80%very high
June Weather21°C (70°F)141 mm (5.5 inches)87%extreme
July Weather25°C (77°F)226 mm (8.9 inches)92%extreme
August Weather27°C (81°F)140 mm (5.5 inches)90%very high
September Weather23°C (73°F)169 mm (6.7 inches)84%very high
October Weather17°C (63°F)225 mm (8.9 inches)80%high
November Weather12°C (54°F)69 mm (2.7 inches)77%moderate
December Weather6°C (43°F)56 mm (2.2 inches)77%moderate

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