February Weather in Kosai, Japan

Last updated: August 23, 2025

In February, the average temperature in Kosai, Japan is a brisk 7°C (45°F). Expect minimum temperatures to drop to -2°C (29°F), while the highs can reach up to 21°C (70°F). During this month, you'll likely experience around 69 mm (2.7 in) of precipitation over approximately 5 days, with an average humidity of 79%. Prepare accordingly!

February Temperature in Kosai

In February in Kosai, the average temperature is 7°C (45°F). Maximums can reach 21°C (70°F), and minimums can drop as low as -2°C (29°F). Be sure to pack layers to stay comfortable while exploring the varied weather.

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

The chart illustrates February temperature patterns in Kosai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosai, February typically has an average temperature of 7°C (45°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (29°F).

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

February Precipitation in Kosai

In Kosai in February, the total precipitation amount is 69 mm (2.7 in) spread over a duration of 5 days.

February Precipitation Trends in Kosai

The chart displays monthly precipitation patterns in Kosai, 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 Kosai, February typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Kosai

In Kosai in February humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.

February Average Humidity in Kosai

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

In Kosai 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 Kosai.

Maximum UV Index Levels in Kosai for February

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

Data source: Kosai 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 Kosai Compares to Other Months

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

This table compares monthly weather conditions in Kosai, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	49 mm (1.9 inches)	82%	moderate
February Weather	7°C (45°F)	69 mm (2.7 inches)	79%	moderate
March Weather	12°C (53°F)	154 mm (6.1 inches)	74%	very high
April Weather	16°C (60°F)	160 mm (6.3 inches)	76%	very high
May Weather	20°C (69°F)	187 mm (7.4 inches)	83%	extreme
June Weather	23°C (74°F)	240 mm (9.4 inches)	87%	extreme
July Weather	27°C (81°F)	385 mm (15.2 inches)	93%	extreme
August Weather	29°C (85°F)	189 mm (7.4 inches)	91%	extreme
September Weather	25°C (78°F)	217 mm (8.5 inches)	87%	very high
October Weather	20°C (68°F)	284 mm (11.2 inches)	85%	high
November Weather	14°C (58°F)	75 mm (2.9 inches)	83%	moderate
December Weather	9°C (48°F)	65 mm (2.6 inches)	83%	moderate