February Weather in Koga, Japan

Last updated: August 23, 2025

In February, the average temperature in Koga, Japan hovers around 5°C (41°F). While you may experience chilly lows of -6°C (22°F), there could also be warmer days reaching up to 21°C (70°F). Expect some rain, with an average precipitation of 41 mm (1.6 in) over 6 days. With an average humidity of 86%, be prepared for a damp atmosphere!

February Temperature in Koga

In February in Koga, the average temperature is 5°C (41°F). Maximum temperatures can reach 21°C (70°F), and minimums can drop as low as -6°C (22°F). Travelers should be prepared for a range of weather conditions, from mild days to chilly nights.

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

The chart illustrates February temperature patterns in Koga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koga, February typically has an average temperature of 5°C (41°F), with highs reaching up to 21°C (70°F) and lows dropping to around -6°C (22°F).

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

February Precipitation in Koga

In Koga in February, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

February Precipitation Trends in Koga

The chart displays monthly precipitation patterns in Koga, 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 Koga, February typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 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 Koga

In Koga in February humidity is 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.

February Average Humidity in Koga

This chart illustrates the average monthly humidity levels in Koga, 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 Koga is approximately 86%, 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 Koga

In Koga in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Koga.

Maximum UV Index Levels in Koga for February

The chart shows the monthly maximum UV Index (UVI) for Koga 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 Koga typically reaches 5, which falls under the moderate exposure category.

Data source: Koga 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 Koga Compares to Other Months

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

This table compares monthly weather conditions in Koga, 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 (39°F)	38 mm (1.5 inches)	88%	moderate
February Weather	5°C (41°F)	41 mm (1.6 inches)	86%	moderate
March Weather	9°C (49°F)	131 mm (5.2 inches)	81%	high
April Weather	14°C (57°F)	129 mm (5.1 inches)	78%	very high
May Weather	19°C (66°F)	137 mm (5.4 inches)	81%	very high
June Weather	22°C (72°F)	160 mm (6.3 inches)	88%	extreme
July Weather	26°C (78°F)	258 mm (10.2 inches)	92%	extreme
August Weather	27°C (82°F)	156 mm (6.1 inches)	92%	very high
September Weather	23°C (74°F)	195 mm (7.7 inches)	89%	very high
October Weather	18°C (64°F)	258 mm (10.1 inches)	87%	high
November Weather	12°C (53°F)	67 mm (2.6 inches)	85%	moderate
December Weather	6°C (43°F)	50 mm (2.0 inches)	86%	moderate