April Weather in Sanjo, Japan

Last updated: August 23, 2025

In Sanjo, Japan, the average temperature in April is a cool 11°C (51°F). However, temperatures can fluctuate, with a minimum of -4°C (26°F) and a maximum of 27°C (81°F). Expect 138 mm (5.4 in) of precipitation spread over 16 days, contributing to an average humidity level of 78%. Get ready for a month of diverse weather conditions!

April Temperature in Sanjo

In April in Sanjo, the average temperature is 11°C (51°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -4°C (26°F). This variability in temperature means travelers should be prepared for both warm and chilly conditions during their visit.

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

The chart illustrates April temperature patterns in Sanjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanjo, April typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (26°F).

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

April Precipitation in Sanjo

In Sanjo in April, the precipitation amount is 138 mm (5.4 in), falling over a span of 16 days.

April Precipitation Trends in Sanjo

The chart displays monthly precipitation patterns in Sanjo, 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 Sanjo, April typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 16 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 Sanjo

In Sanjo in April, humidity is 78%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that lingers in the air, making outdoor activities less inviting and leading to a persistent sense of coolness that can be invigorating yet uncomfortable for travelers.

April Average Humidity in Sanjo

This chart illustrates the average monthly humidity levels in Sanjo, 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 Sanjo 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 Sanjo

In Sanjo 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 Sanjo.

Maximum UV Index Levels in Sanjo for April

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

Data source: Sanjo 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 Sanjo Compares to Other Months

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

This table compares monthly weather conditions in Sanjo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	183 mm (7.2 inches)	88%	moderate
February Weather	1°C (35°F)	166 mm (6.5 inches)	86%	moderate
March Weather	6°C (43°F)	157 mm (6.2 inches)	81%	high
April Weather	11°C (51°F)	138 mm (5.4 inches)	78%	very high
May Weather	17°C (63°F)	133 mm (5.3 inches)	81%	very high
June Weather	21°C (69°F)	140 mm (5.5 inches)	88%	very high
July Weather	25°C (77°F)	326 mm (12.8 inches)	92%	extreme
August Weather	26°C (80°F)	205 mm (8.1 inches)	92%	extreme
September Weather	22°C (71°F)	159 mm (6.3 inches)	89%	very high
October Weather	16°C (60°F)	178 mm (7.0 inches)	87%	high
November Weather	9°C (49°F)	148 mm (5.8 inches)	85%	moderate
December Weather	3°C (38°F)	212 mm (8.4 inches)	86%	moderate