April Weather in Soma, Japan

Last updated: August 23, 2025

In April, the average temperature in Soma, Japan is a mild 11°C (51°F). You'll experience a comfortable range, with minimums dipping to 2°C (37°F) and maximums reaching up to 20°C (69°F). However, be prepared for a bit of rain, as 115 mm (4.5 in) of precipitation is expected over 11 days. Don't forget, the average humidity sits at a relatively high 73%, adding a touch of dampness to the air!

April Temperature in Soma

In April in Soma, the average temperature is 11°C (51°F), with maximums reaching 20°C (69°F) and minimums dropping as low as 2°C (37°F). This makes it an ideal time for travelers to enjoy mild weather while exploring the attractions.

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

The chart illustrates April temperature patterns in Soma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soma, April typically has an average temperature of 11°C (51°F), with highs reaching up to 20°C (69°F) and lows dropping to around 2°C (37°F).

Data source: Temperature data for Soma generated using information from the Copernicus Climate Change Service.

April Precipitation in Soma

In Soma in April, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

April Precipitation Trends in Soma

The chart displays monthly precipitation patterns in Soma, 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 Soma, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Soma

In Soma in April humidity is 73%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that penetrates your clothes, making it a bit uncomfortable for traveling.

April Average Humidity in Soma

This chart illustrates the average monthly humidity levels in Soma, 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 Soma is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Soma

In Soma 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 Soma.

Maximum UV Index Levels in Soma for April

The chart shows the monthly maximum UV Index (UVI) for Soma 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 Soma typically reaches 9, which falls under the very high exposure category.

Data source: Soma 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 Soma Compares to Other Months

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

This table compares monthly weather conditions in Soma, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	52 mm (2.1 inches)	76%	moderate
February Weather	5°C (41°F)	41 mm (1.6 inches)	75%	moderate
March Weather	7°C (46°F)	117 mm (4.6 inches)	72%	high
April Weather	11°C (51°F)	115 mm (4.5 inches)	73%	very high
May Weather	16°C (60°F)	119 mm (4.7 inches)	80%	very high
June Weather	19°C (66°F)	105 mm (4.1 inches)	87%	very high
July Weather	23°C (73°F)	239 mm (9.4 inches)	92%	extreme
August Weather	25°C (77°F)	158 mm (6.2 inches)	90%	extreme
September Weather	22°C (72°F)	191 mm (7.5 inches)	84%	very high
October Weather	18°C (64°F)	257 mm (10.1 inches)	80%	high
November Weather	13°C (55°F)	44 mm (1.7 inches)	77%	moderate
December Weather	7°C (45°F)	60 mm (2.4 inches)	77%	moderate