April Weather in Nambu, Japan

Last updated: August 23, 2025

In April, the average temperature in Nambu, Japan is a mild 11°C (52°F). While temperatures can dip as low as -1°C (30°F), they can also peak at a warm 25°C (77°F). Be prepared for wet weather, as 254 mm (10.0 in) of precipitation can be expected over 17 days, alongside an average humidity of 74%.

April Temperature in Nambu

In April in Nambu, the average temperature is 11°C (52°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -1°C (30°F). Be prepared for a mix of cool days and warmer afternoons, making it a great time to explore both indoors and outdoors.

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

The chart illustrates April temperature patterns in Nambu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nambu, April typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).

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

April Precipitation in Nambu

In Nambu in April, the total precipitation amount is 254 mm (10.0 in) during 17 days, indicating a relatively wet period for the region.

April Precipitation Trends in Nambu

The chart displays monthly precipitation patterns in Nambu, 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 Nambu, April typically receives around 254 mm (10.0 inches) of precipitation spread over approximately 17 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 Nambu

In Nambu in April, humidity is 74%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill in the air, making travel outdoors feel heavier and more cumbersome, often leading to discomfort and a need for warmer clothing.

April Average Humidity in Nambu

This chart illustrates the average monthly humidity levels in Nambu, 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 Nambu is approximately 74%, 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 Nambu

In Nambu in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Nambu.

Maximum UV Index Levels in Nambu for April

The chart shows the monthly maximum UV Index (UVI) for Nambu 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 Nambu typically reaches 10, which falls under the very high exposure category.

Data source: Nambu 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 Nambu Compares to Other Months

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

This table compares monthly weather conditions in Nambu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	76 mm (3.0 inches)	76%	moderate
February Weather	3°C (38°F)	100 mm (3.9 inches)	74%	high
March Weather	7°C (45°F)	246 mm (9.7 inches)	70%	very high
April Weather	11°C (52°F)	254 mm (10.0 inches)	74%	very high
May Weather	16°C (61°F)	239 mm (9.4 inches)	81%	extreme
June Weather	19°C (66°F)	298 mm (11.7 inches)	88%	extreme
July Weather	23°C (73°F)	550 mm (21.6 inches)	93%	extreme
August Weather	24°C (76°F)	324 mm (12.8 inches)	90%	extreme
September Weather	21°C (69°F)	301 mm (11.8 inches)	86%	very high
October Weather	15°C (60°F)	381 mm (15.0 inches)	83%	high
November Weather	10°C (50°F)	109 mm (4.3 inches)	80%	moderate
December Weather	5°C (41°F)	94 mm (3.7 inches)	78%	moderate