nomadseason

April Weather in Osaka-sayama, Japan

Last updated: August 23, 2025

In April, the average temperature in Osaka-sayama, Japan is a comfortable 15°C (59°F), perfect for outdoor activities. Expect a range that can dip to a minimum of 2°C (36°F) and reach up to 26°C (79°F). With 122 mm (4.8 in) of precipitation spread over 10 days, it's wise to bring an umbrella! The average humidity sits at a cozy 76%, enhancing the region's delightful atmosphere.

April Temperature in Osaka-sayama

In April in Osaka-sayama, the average temperature is 15°C (59°F). The maximum can reach 26°C (79°F), and the minimum can be as low as 2°C (36°F). This mild climate makes Osaka-sayama a great destination for travelers who enjoy pleasant weather and outdoor activities.

April Weather in Osaka-sayama: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Osaka-sayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osaka-sayama, April typically has an average temperature of 15°C (59°F), with highs reaching up to 26°C (79°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec424351596874818577675646
Data source: Temperature data for Osaka-sayama generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Osaka-sayama

In Osaka-sayama in April, the total precipitation amount reaches 122 mm (4.8 in) over the course of 10 days.

April Precipitation Trends in Osaka-sayama

The chart displays monthly precipitation patterns in Osaka-sayama, 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 Osaka-sayama, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec53651101221461662701601642384862
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Osaka-sayama

In Osaka-sayama in April humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

April Average Humidity in Osaka-sayama

This chart illustrates the average monthly humidity levels in Osaka-sayama, 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 Osaka-sayama is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Osaka-sayama

In Osaka-sayama in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Osaka-sayama.

Maximum UV Index Levels in Osaka-sayama for April

The chart shows the monthly maximum UV Index (UVI) for Osaka-sayama 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 Osaka-sayama typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Osaka-sayama 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 Osaka-sayama Compares to Other Months

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

This table compares monthly weather conditions in Osaka-sayama, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)53 mm (2.1 inches)82%moderate
February Weather6°C (43°F)65 mm (2.6 inches)79%high
March Weather10°C (51°F)110 mm (4.3 inches)74%very high
April Weather15°C (59°F)122 mm (4.8 inches)76%extreme
May Weather20°C (68°F)146 mm (5.7 inches)83%extreme
June Weather23°C (74°F)166 mm (6.5 inches)87%extreme
July Weather27°C (82°F)270 mm (10.6 inches)93%extreme
August Weather29°C (85°F)160 mm (6.3 inches)91%extreme
September Weather25°C (77°F)164 mm (6.5 inches)87%very high
October Weather19°C (67°F)238 mm (9.4 inches)85%high
November Weather13°C (56°F)48 mm (1.9 inches)83%high
December Weather8°C (47°F)62 mm (2.5 inches)83%moderate

Compare Osaka-sayama's Climate with Cities Worldwide