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April Weather in Namioka, Japan

Last updated: August 23, 2025

In April, the average temperature in Namioka, Japan hovers around 8°C (47°F), creating a brisk yet refreshing atmosphere. Expect temperatures to range from a chilly -3°C (27°F) to a pleasant 24°C (75°F). During this time, 113 mm (4.4 in) of precipitation typically falls over 15 days, contributing to an average humidity level of 78%.

April Temperature in Namioka

In April in Namioka, the average temperature is 8°C (47°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -3°C (27°F). This varied climate makes it essential for travelers to pack layers to prepare for both warm afternoons and chilly evenings.

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

The chart illustrates April temperature patterns in Namioka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namioka, April typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (75°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec303037465865737567564533
Data source: Temperature data for Namioka 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 Namioka

In Namioka in April, the total precipitation amount is 113 mm (4.4 in) over the course of 15 days.

April Precipitation Trends in Namioka

The chart displays monthly precipitation patterns in Namioka, 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 Namioka, April typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec80106103113104130135181129166106130
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Namioka

In Namioka in April, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.

April Average Humidity in Namioka

This chart illustrates the average monthly humidity levels in Namioka, 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 Namioka 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 Namioka

In Namioka 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 Namioka.

Maximum UV Index Levels in Namioka for April

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

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

This table compares monthly weather conditions in Namioka, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)79%moderate
February Weather-1°C (31°F)106 mm (4.2 inches)78%moderate
March Weather3°C (38°F)103 mm (4.1 inches)77%high
April Weather8°C (47°F)113 mm (4.4 inches)78%very high
May Weather14°C (58°F)104 mm (4.1 inches)86%very high
June Weather18°C (65°F)130 mm (5.1 inches)91%very high
July Weather23°C (73°F)135 mm (5.3 inches)95%very high
August Weather24°C (75°F)181 mm (7.1 inches)97%extreme
September Weather20°C (68°F)129 mm (5.1 inches)89%very high
October Weather13°C (56°F)166 mm (6.6 inches)81%high
November Weather7°C (45°F)106 mm (4.2 inches)78%moderate
December Weather1°C (33°F)130 mm (5.1 inches)77%low

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