May Weather in Oga, Japan

Last updated: August 23, 2025

In Oga, Japan, the weather in May brings an average temperature of 14°C (58°F). Expect to experience a range from a crisp 8°C (47°F) to a warm 21°C (70°F). During this month, anticipate precipitation of 133 mm (5.2 in) spread over 14 days, contributing to an average humidity of 86%. Stay prepared for a mix of cozy and damp days!

May Temperature in Oga

In May in Oga, the average temperature is 14°C (58°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop to as low as 8°C (47°F). This mild weather makes it an ideal time for travelers to explore the area comfortably.

May Weather in Oga: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Oga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oga, May typically has an average temperature of 14°C (58°F), with highs reaching up to 21°C (70°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Oga

In Oga in May, the precipitation amount is 133 mm (5.2 in) occurring over the course of 14 days.

May Precipitation Trends in Oga

The chart displays monthly precipitation patterns in Oga, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Oga, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Oga

In Oga in May, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Oga

This chart illustrates the average monthly humidity levels in Oga, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Oga is approximately 86%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Oga

In Oga in May, 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 Oga.

Maximum UV Index Levels in Oga for May

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

Data source: Oga May 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 May Weather in Oga Compares to Other Months

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

This table compares monthly weather conditions in Oga, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	148 mm (5.8 inches)	79%	moderate
February Weather	3°C (37°F)	159 mm (6.3 inches)	78%	moderate
March Weather	6°C (43°F)	116 mm (4.6 inches)	76%	high
April Weather	9°C (49°F)	129 mm (5.1 inches)	78%	very high
May Weather	14°C (58°F)	133 mm (5.2 inches)	86%	very high
June Weather	18°C (65°F)	146 mm (5.8 inches)	90%	very high
July Weather	23°C (74°F)	160 mm (6.3 inches)	93%	very high
August Weather	25°C (78°F)	199 mm (7.8 inches)	92%	extreme
September Weather	22°C (72°F)	165 mm (6.5 inches)	84%	very high
October Weather	17°C (63°F)	218 mm (8.6 inches)	80%	high
November Weather	11°C (53°F)	194 mm (7.6 inches)	76%	moderate
December Weather	6°C (42°F)	256 mm (10.1 inches)	78%	low