March Weather in Isahaya, Japan

Last updated: August 23, 2025

In March, the average temperature in Isahaya, Japan hovers around 12°C (54°F). Expect a cool minimum of 5°C (41°F) and a pleasant maximum of 20°C (68°F). During this month, you can anticipate 157 mm (6.2 in) of precipitation spread over 12 days, contributing to an average humidity of 71%. Pack accordingly to enjoy all that this vibrant destination has to offer!

March Temperature in Isahaya

In March in Isahaya, the average temperature is 12°C (54°F). The maximum can reach 20°C (68°F), and the minimum can be as low as 5°C (41°F). It's an ideal time for travelers to enjoy mild weather while exploring the sights.

March Weather in Isahaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Isahaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isahaya, March typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (68°F) and lows dropping to around 5°C (41°F).

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

March Precipitation in Isahaya

In Isahaya in March, the total precipitation amount is 157 mm (6.2 in), which falls over the course of 12 days.

March Precipitation Trends in Isahaya

The chart displays monthly precipitation patterns in Isahaya, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Isahaya, March typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Isahaya

In Isahaya in March humidity is 71%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring the area, as the cool air can be refreshing yet slightly uncomfortable without proper attire for outdoor activities.

March Average Humidity in Isahaya

This chart illustrates the average monthly humidity levels in Isahaya, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Isahaya is approximately 71%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Isahaya

In Isahaya in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Isahaya.

Maximum UV Index Levels in Isahaya for March

The chart shows the monthly maximum UV Index (UVI) for Isahaya in March, 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 March, the maximum UV index in Isahaya typically reaches 8, which falls under the very high exposure category.

Data source: Isahaya March 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 March Weather in Isahaya Compares to Other Months

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

This table compares monthly weather conditions in Isahaya, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	61 mm (2.4 inches)	73%	moderate
February Weather	9°C (48°F)	106 mm (4.2 inches)	69%	high
March Weather	12°C (54°F)	157 mm (6.2 inches)	71%	very high
April Weather	15°C (60°F)	143 mm (5.6 inches)	79%	extreme
May Weather	19°C (67°F)	229 mm (9.0 inches)	87%	extreme
June Weather	22°C (73°F)	272 mm (10.7 inches)	91%	extreme
July Weather	26°C (79°F)	442 mm (17.4 inches)	97%	extreme
August Weather	28°C (82°F)	326 mm (12.8 inches)	94%	extreme
September Weather	25°C (77°F)	225 mm (8.9 inches)	84%	extreme
October Weather	20°C (69°F)	117 mm (4.6 inches)	79%	very high
November Weather	15°C (60°F)	81 mm (3.2 inches)	75%	high
December Weather	10°C (51°F)	92 mm (3.6 inches)	72%	moderate