February Weather in Koya, Japan

Last updated: August 23, 2025

In February, the average temperature in Koya, Japan hovers around 5°C (41°F). Temperatures can dip as low as -5°C (24°F) or rise to a comfortable 19°C (67°F). Visitors should anticipate 83 mm (3.3 in) of precipitation over approximately 9 days, contributing to an average humidity of 79%. 🌧️

February Temperature in Koya

In February in Koya, the average temperature is 5°C (41°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -5°C (24°F). This varied temperature means it's essential to pack layers for your travels, ensuring you're comfortable whether you're enjoying the warmer afternoons or braving the chilly evenings.

February Weather in Koya: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Koya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koya, February typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (67°F) and lows dropping to around -5°C (24°F).

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

February Precipitation in Koya

In Koya in February, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.

February Precipitation Trends in Koya

The chart displays monthly precipitation patterns in Koya, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Koya, February typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Koya

In Koya in February, humidity is 79%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

February Average Humidity in Koya

This chart illustrates the average monthly humidity levels in Koya, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Koya is approximately 79%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Koya

In Koya in February, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Koya, you can refer to this Hourly UV Index in Koya.

Maximum UV Index Levels in Koya for February

The chart shows the monthly maximum UV Index (UVI) for Koya in February, 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 February, the maximum UV index in Koya typically reaches 6, which falls under the high exposure category.

Data source: Koya February 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 February Weather in Koya Compares to Other Months

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

This table compares monthly weather conditions in Koya, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	67 mm (2.6 inches)	82%	moderate
February Weather	5°C (41°F)	83 mm (3.3 inches)	79%	high
March Weather	9°C (49°F)	127 mm (5.0 inches)	74%	very high
April Weather	14°C (57°F)	132 mm (5.2 inches)	76%	extreme
May Weather	19°C (66°F)	169 mm (6.7 inches)	83%	extreme
June Weather	22°C (72°F)	220 mm (8.7 inches)	87%	extreme
July Weather	26°C (79°F)	324 mm (12.7 inches)	93%	extreme
August Weather	28°C (82°F)	203 mm (8.0 inches)	91%	extreme
September Weather	24°C (75°F)	204 mm (8.0 inches)	87%	very high
October Weather	18°C (65°F)	265 mm (10.5 inches)	85%	high
November Weather	12°C (54°F)	62 mm (2.4 inches)	83%	high
December Weather	7°C (44°F)	79 mm (3.1 inches)	83%	moderate