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April Weather in Shimodate, Japan

Last updated: August 23, 2025

In Shimodate, Japan, the average temperature in April hovers around 14°C (57°F). While you can expect a minimum dip to -1°C (31°F), the mercury can rise as high as 29°C (84°F). Be prepared for 112 mm (4.4 in) of precipitation over 11 days, with an average humidity of 78%.

April Temperature in Shimodate

In April in Shimodate, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -1°C (31°F). This makes it a great time for travelers to experience a diverse range of weather, so pack accordingly to enjoy both warm days and cooler evenings.

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

The chart illustrates April temperature patterns in Shimodate, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimodate, April typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394149576672788274645443
Data source: Temperature data for Shimodate 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 Shimodate

In Shimodate in April, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.

April Precipitation Trends in Shimodate

The chart displays monthly precipitation patterns in Shimodate, 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 Shimodate, April typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec38371241121231322181141572256350
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Shimodate

In Shimodate in April, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

April Average Humidity in Shimodate

This chart illustrates the average monthly humidity levels in Shimodate, 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 Shimodate is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Shimodate

In Shimodate 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 Shimodate.

Maximum UV Index Levels in Shimodate for April

The chart shows the monthly maximum UV Index (UVI) for Shimodate 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 Shimodate typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011109653
Data source: Shimodate 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 Shimodate Compares to Other Months

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

This table compares monthly weather conditions in Shimodate, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)38 mm (1.5 inches)88%moderate
February Weather5°C (42°F)37 mm (1.5 inches)86%moderate
March Weather9°C (49°F)124 mm (4.9 inches)81%high
April Weather14°C (57°F)112 mm (4.4 inches)78%very high
May Weather19°C (67°F)123 mm (4.8 inches)81%very high
June Weather22°C (72°F)132 mm (5.2 inches)88%very high
July Weather26°C (79°F)218 mm (8.6 inches)92%extreme
August Weather28°C (82°F)114 mm (4.5 inches)92%very high
September Weather23°C (74°F)157 mm (6.2 inches)89%very high
October Weather18°C (64°F)225 mm (8.8 inches)87%high
November Weather12°C (54°F)63 mm (2.5 inches)85%moderate
December Weather6°C (43°F)50 mm (1.9 inches)86%moderate

Compare Shimodate's Climate with Cities Worldwide