February Weather in Niihama, Japan

Last updated: August 23, 2025

In February, the average temperature in Niihama, Japan hovers around 6°C (43°F), with a minimum dipping to -2°C (29°F) and a maximum reaching up to 17°C (63°F). Expect about 85 mm (3.4 in) of precipitation over 11 days, creating a moist atmosphere with an average humidity of 70%.

February Temperature in Niihama

In February in Niihama, the average temperature is 6°C (43°F). The maximum can reach 17°C (63°F), and the minimum can be as low as -2°C (29°F). It's a great time to pack layers and enjoy the brisk weather while exploring the local sights.

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

The chart illustrates February temperature patterns in Niihama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niihama, February typically has an average temperature of 6°C (43°F), with highs reaching up to 17°C (63°F) and lows dropping to around -2°C (29°F).

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

February Precipitation in Niihama

In Niihama in February, the precipitation amount is 85 mm (3.4 in) over the course of 11 days.

February Precipitation Trends in Niihama

The chart displays monthly precipitation patterns in Niihama, 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 Niihama, February typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 11 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 Niihama

In Niihama in February humidity is 70%. With an average temperature of 6°C (43°F), this humidity feels like a chilly mist wrapping around you, making the air feel heavier and potentially damp, which can be uncomfortable for traveling as it adds an extra layer of cold that seeps through your clothes.

February Average Humidity in Niihama

This chart illustrates the average monthly humidity levels in Niihama, 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 Niihama is approximately 70%, 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 Niihama

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

Maximum UV Index Levels in Niihama for February

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

Data source: Niihama 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 Niihama Compares to Other Months

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

This table compares monthly weather conditions in Niihama, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	65 mm (2.6 inches)	74%	moderate
February Weather	6°C (43°F)	85 mm (3.4 inches)	70%	high
March Weather	9°C (49°F)	129 mm (5.1 inches)	70%	very high
April Weather	13°C (57°F)	142 mm (5.6 inches)	76%	very high
May Weather	18°C (65°F)	148 mm (5.8 inches)	82%	extreme
June Weather	22°C (71°F)	199 mm (7.8 inches)	86%	extreme
July Weather	26°C (79°F)	357 mm (14.1 inches)	91%	extreme
August Weather	27°C (82°F)	181 mm (7.1 inches)	88%	extreme
September Weather	24°C (75°F)	237 mm (9.3 inches)	85%	very high
October Weather	19°C (66°F)	253 mm (10.0 inches)	82%	high
November Weather	13°C (56°F)	69 mm (2.7 inches)	79%	high
December Weather	8°C (46°F)	80 mm (3.1 inches)	77%	moderate