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April Weather in Omagari, Japan

Last updated: August 23, 2025

In Omagari, Japan during April, the average temperature hovers around 9°C (48°F). Expect minimum chills of -5°C (24°F) and maximum warmth reaching 24°C (75°F). With precipitation totaling 141 mm (5.6 in) over 17 days, be prepared for wet weather. Additionally, the average humidity sits at a comfortable 75%, creating a distinctive climate experience.

April Temperature in Omagari

In April in Omagari, the average temperature is 9°C (48°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -5°C (24°F). This range means travelers should be prepared for both warm and chilly conditions, making versatile clothing essential for your trip.

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

The chart illustrates April temperature patterns in Omagari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omagari, April typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec303140485966747668574635
Data source: Temperature data for Omagari 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 Omagari

In Omagari, in April, the precipitation amount is 141 mm (5.6 in) over the course of 17 days.

April Precipitation Trends in Omagari

The chart displays monthly precipitation patterns in Omagari, 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 Omagari, April typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec108127125141135147191210133159128157
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Omagari

In Omagari in April humidity is 75%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill, making it essential to dress in layers for comfort while traveling.

April Average Humidity in Omagari

This chart illustrates the average monthly humidity levels in Omagari, 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 Omagari is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Omagari

In Omagari 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 Omagari.

Maximum UV Index Levels in Omagari for April

The chart shows the monthly maximum UV Index (UVI) for Omagari 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 Omagari typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010119643
Data source: Omagari 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 Omagari Compares to Other Months

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

This table compares monthly weather conditions in Omagari, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)108 mm (4.2 inches)80%moderate
February Weather-1°C (31°F)127 mm (5.0 inches)79%moderate
March Weather4°C (40°F)125 mm (4.9 inches)77%high
April Weather9°C (48°F)141 mm (5.6 inches)75%very high
May Weather15°C (59°F)135 mm (5.3 inches)80%very high
June Weather19°C (66°F)147 mm (5.8 inches)87%very high
July Weather23°C (74°F)191 mm (7.5 inches)92%very high
August Weather24°C (76°F)210 mm (8.2 inches)92%extreme
September Weather20°C (68°F)133 mm (5.2 inches)86%very high
October Weather14°C (57°F)159 mm (6.3 inches)82%high
November Weather8°C (46°F)127 mm (5.0 inches)79%moderate
December Weather1°C (35°F)157 mm (6.2 inches)80%moderate

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