February Weather in Iruma, Japan

Last updated: August 23, 2025

In February, the average temperature in Iruma, Japan hovers around 4°C (40°F), presenting a chilly yet invigorating climate. Expect temperatures to dip as low as -6°C (21°F) and warm up to a maximum of 21°C (69°F). With 62 mm (2.4 in) of precipitation spread over 10 days, it's wise to be prepared for occasional showers. The air carries an average humidity of 74%, adding to the atmospheric charm of the season.

February Temperature in Iruma

In February in Iruma, the average temperature is 4°C (40°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -6°C (21°F). It's an ideal time for travelers to experience the crisp air and varying temperatures while exploring the sights.

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

The chart illustrates February temperature patterns in Iruma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iruma, February typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (69°F) and lows dropping to around -6°C (21°F).

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

February Precipitation in Iruma

In Iruma in February, the total precipitation amount is 62 mm (2.4 in) over a period of 10 days.

February Precipitation Trends in Iruma

The chart displays monthly precipitation patterns in Iruma, 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 Iruma, February typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 10 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 Iruma

In Iruma in February humidity is 74%. With an average temperature of 4°C (40°F), this humidity feels like a chilly embrace that makes every breath a little heavier, which can be quite uncomfortable for traveling.

February Average Humidity in Iruma

This chart illustrates the average monthly humidity levels in Iruma, 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 Iruma is approximately 74%, 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 Iruma

In Iruma 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 Iruma, you can refer to this Hourly UV Index in Iruma.

Maximum UV Index Levels in Iruma for February

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

Data source: Iruma 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 Iruma Compares to Other Months

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

This table compares monthly weather conditions in Iruma, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	53 mm (2.1 inches)	76%	moderate
February Weather	4°C (40°F)	62 mm (2.4 inches)	74%	high
March Weather	8°C (47°F)	166 mm (6.5 inches)	70%	very high
April Weather	12°C (54°F)	150 mm (5.9 inches)	74%	very high
May Weather	17°C (64°F)	148 mm (5.8 inches)	81%	extreme
June Weather	20°C (69°F)	209 mm (8.2 inches)	88%	extreme
July Weather	24°C (76°F)	312 mm (12.3 inches)	93%	extreme
August Weather	26°C (79°F)	195 mm (7.7 inches)	90%	extreme
September Weather	22°C (71°F)	247 mm (9.7 inches)	86%	very high
October Weather	16°C (61°F)	346 mm (13.6 inches)	83%	high
November Weather	11°C (52°F)	72 mm (2.8 inches)	80%	moderate
December Weather	5°C (42°F)	62 mm (2.4 inches)	78%	moderate