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April Weather in Nanto, Japan

Last updated: August 23, 2025

In Nanto, Japan, the average temperature in April hovers around 10°C (51°F). During this time, you can expect a range of temperatures, with a minimum of -7°C (20°F) and a pleasant maximum reaching 29°C (84°F). However, be prepared for some rain, as 214 mm (8.4 in) of precipitation falls over approximately 16 days. Don't forget to bring a light jacket, as the average humidity is quite high at 77%.

April Temperature in Nanto

In April in Nanto, the average temperature is 10°C (51°F). Maximums can reach 29°C (84°F) and minimums can be as low as -7°C (20°F). This wide temperature range means travelers should prepare for both warm days and chilly nights.

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

The chart illustrates April temperature patterns in Nanto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanto, April typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec313341506167757869584737
Data source: Temperature data for Nanto 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 Nanto

In Nanto in April, the total precipitation amount is 214 mm (8.4 in), which occurs over the course of 16 days.

April Precipitation Trends in Nanto

The chart displays monthly precipitation patterns in Nanto, 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 Nanto, April typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec205193209214170248424321285261162250
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Nanto

In Nanto in April humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

April Average Humidity in Nanto

This chart illustrates the average monthly humidity levels in Nanto, 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 Nanto is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Nanto

In Nanto in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Nanto.

Maximum UV Index Levels in Nanto for April

The chart shows the monthly maximum UV Index (UVI) for Nanto 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 Nanto typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Nanto 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 Nanto Compares to Other Months

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

This table compares monthly weather conditions in Nanto, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)204 mm (8.1 inches)80%moderate
February Weather0°C (33°F)193 mm (7.6 inches)78%high
March Weather5°C (41°F)209 mm (8.2 inches)76%very high
April Weather10°C (51°F)214 mm (8.4 inches)77%very high
May Weather16°C (62°F)170 mm (6.7 inches)85%extreme
June Weather20°C (67°F)248 mm (9.8 inches)89%extreme
July Weather24°C (76°F)424 mm (16.7 inches)93%extreme
August Weather25°C (78°F)321 mm (12.6 inches)92%extreme
September Weather21°C (70°F)285 mm (11.2 inches)84%very high
October Weather15°C (59°F)261 mm (10.3 inches)81%high
November Weather8°C (47°F)162 mm (6.4 inches)77%moderate
December Weather3°C (37°F)250 mm (9.8 inches)79%moderate

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