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April Weather in Ajigasawa, Japan

Last updated: August 23, 2025

In April, the average temperature in Ajigasawa, Japan hovers around 8°C (46°F). Expect minimums dipping to -2°C (28°F) and maximums reaching up to 21°C (70°F). With 122 mm (4.8 in) of precipitation spread over 15 days, it’s a rather wet month, complemented by an average humidity of 78%.

April Temperature in Ajigasawa

In April in Ajigasawa, the average temperature is 8°C (46°F). Maximums can reach 21°C (70°F) and minimums can be as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack both warmer and lighter clothing options.

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

The chart illustrates April temperature patterns in Ajigasawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ajigasawa, April typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec313138465764727468574635
Data source: Temperature data for Ajigasawa 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 Ajigasawa

In Ajigasawa in April, the precipitation amount is 122 mm (4.8 in) over a span of 15 days.

April Precipitation Trends in Ajigasawa

The chart displays monthly precipitation patterns in Ajigasawa, 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 Ajigasawa, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec125141121122115139130187144192151211
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ajigasawa

In Ajigasawa in April, humidity is 78%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to dress in layers to stay warm while exploring.

April Average Humidity in Ajigasawa

This chart illustrates the average monthly humidity levels in Ajigasawa, 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 Ajigasawa is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ajigasawa

In Ajigasawa in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ajigasawa.

Maximum UV Index Levels in Ajigasawa for April

The chart shows the monthly maximum UV Index (UVI) for Ajigasawa 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 Ajigasawa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010118642
Data source: Ajigasawa 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 Ajigasawa Compares to Other Months

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

This table compares monthly weather conditions in Ajigasawa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)125 mm (4.9 inches)79%moderate
February Weather0°C (32°F)141 mm (5.6 inches)78%moderate
March Weather3°C (38°F)120 mm (4.7 inches)77%high
April Weather8°C (46°F)122 mm (4.8 inches)78%very high
May Weather14°C (57°F)115 mm (4.5 inches)86%very high
June Weather18°C (64°F)139 mm (5.5 inches)91%very high
July Weather22°C (73°F)130 mm (5.1 inches)95%very high
August Weather24°C (75°F)187 mm (7.4 inches)97%extreme
September Weather20°C (68°F)144 mm (5.7 inches)89%very high
October Weather14°C (58°F)192 mm (7.5 inches)81%high
November Weather8°C (47°F)151 mm (6.0 inches)78%moderate
December Weather2°C (35°F)211 mm (8.3 inches)77%low

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