February Weather in Iwanai, Japan

Last updated: August 23, 2025

In February, the average temperature in Iwanai, Japan hovers around -3°C (26°F). Expect chilly days where the minimum can plunge to -13°C (8°F), while the mercury may rise to a maximum of 7°C (44°F). With an average humidity of 83% and 103 mm (4.1 in) of precipitation over 22 days, be prepared for a brisk and potentially wet experience!

February Temperature in Iwanai

In February in Iwanai, the average temperature is -3°C (26°F). Maximums can reach 7°C (44°F), while minimums can drop as low as -13°C (8°F). Be prepared for cold weather and pack appropriately when traveling to Iwanai during this time.

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

The chart illustrates February temperature patterns in Iwanai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iwanai, February typically has an average temperature of -3°C (26°F), with highs reaching up to 7°C (44°F) and lows dropping to around -13°C (8°F).

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

February Precipitation in Iwanai

In Iwanai in February, the precipitation amount is 103 mm (4.1 in) spread over 22 days.

February Precipitation Trends in Iwanai

The chart displays monthly precipitation patterns in Iwanai, 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 Iwanai, February typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 22 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 Iwanai

In Iwanai in February, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.

February Average Humidity in Iwanai

This chart illustrates the average monthly humidity levels in Iwanai, 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 Iwanai is approximately 83%, 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 Iwanai

In Iwanai in February, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Iwanai, you can check the information here.

Maximum UV Index Levels in Iwanai for February

The chart shows the monthly maximum UV Index (UVI) for Iwanai 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 Iwanai typically reaches 3, which falls under the moderate exposure category.

Data source: Iwanai 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 Iwanai Compares to Other Months

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

This table compares monthly weather conditions in Iwanai, 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 (25°F)	99 mm (3.9 inches)	84%	low
February Weather	-3°C (26°F)	103 mm (4.1 inches)	83%	moderate
March Weather	1°C (34°F)	98 mm (3.8 inches)	81%	moderate
April Weather	5°C (41°F)	88 mm (3.4 inches)	81%	high
May Weather	11°C (53°F)	86 mm (3.4 inches)	86%	very high
June Weather	15°C (59°F)	109 mm (4.3 inches)	87%	very high
July Weather	20°C (68°F)	94 mm (3.7 inches)	93%	very high
August Weather	21°C (70°F)	145 mm (5.7 inches)	95%	very high
September Weather	18°C (64°F)	126 mm (5.0 inches)	88%	very high
October Weather	12°C (53°F)	149 mm (5.9 inches)	83%	moderate
November Weather	5°C (41°F)	176 mm (6.9 inches)	79%	moderate
December Weather	-2°C (29°F)	159 mm (6.3 inches)	80%	low