April Weather in Tomi, Japan

Last updated: August 23, 2025

In April, the average temperature in Tomi, Japan hovers around 9°C (49°F). Be prepared for a temperature range that can dip to a chilly -4°C (26°F) or soar to a balmy 27°C (81°F). Expect 111 mm (4.4 in) of precipitation over about 12 days, contributing to an average humidity of 78%.

April Temperature in Tomi

In April, in Tomi, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as -4°C (26°F). This weather offers a varied climate, making it an intriguing time for travelers to explore Tomi.

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

The chart illustrates April temperature patterns in Tomi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomi, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (26°F).

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

April Precipitation in Tomi

In Tomi, in April, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.

April Precipitation Trends in Tomi

The chart displays monthly precipitation patterns in Tomi, 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 Tomi, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 12 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 Tomi

In Tomi in April, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

April Average Humidity in Tomi

This chart illustrates the average monthly humidity levels in Tomi, 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 Tomi is approximately 78%, 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 Tomi

In Tomi 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 Tomi.

Maximum UV Index Levels in Tomi for April

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

Data source: Tomi 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 Tomi Compares to Other Months

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

This table compares monthly weather conditions in Tomi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	56 mm (2.2 inches)	88%	moderate
February Weather	1°C (33°F)	61 mm (2.4 inches)	86%	high
March Weather	5°C (41°F)	110 mm (4.3 inches)	81%	very high
April Weather	9°C (49°F)	111 mm (4.4 inches)	78%	very high
May Weather	15°C (60°F)	120 mm (4.7 inches)	81%	extreme
June Weather	19°C (66°F)	121 mm (4.8 inches)	88%	extreme
July Weather	22°C (73°F)	229 mm (9.0 inches)	92%	extreme
August Weather	24°C (75°F)	121 mm (4.7 inches)	92%	extreme
September Weather	19°C (67°F)	144 mm (5.7 inches)	89%	very high
October Weather	13°C (56°F)	212 mm (8.4 inches)	87%	high
November Weather	7°C (45°F)	45 mm (1.8 inches)	85%	moderate
December Weather	2°C (36°F)	62 mm (2.4 inches)	86%	moderate