February Weather in Nagai, Japan

Last updated: August 23, 2025

In February, the average temperature in Nagai, Japan hovers around -2°C (29°F). While chilly nights can plunge to a biting -16°C (3°F), daytime highs can bring a mild respite at 10°C (50°F). Visitors should also prepare for slight precipitation, with an average of 167 mm (6.6 in) spread over 22 days. Moreover, expect a high humidity level of 86%, contributing to the crisp, wintry atmosphere.

February Temperature in Nagai

In February in Nagai, the average temperature is -2°C (29°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -16°C (3°F). Travelers should prepare for a chilly climate and dress in layers to stay warm while exploring.

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

The chart illustrates February temperature patterns in Nagai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagai, February typically has an average temperature of -2°C (29°F), with highs reaching up to 10°C (50°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec282936465864727466554432
Data source: Temperature data for Nagai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Nagai

In Nagai in February, the precipitation amount is 167 mm (6.6 in) over the course of 22 days.

February Precipitation Trends in Nagai

The chart displays monthly precipitation patterns in Nagai, 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 Nagai, February typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec169168153138120135298222140164118203
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Nagai

In Nagai in February humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

February Average Humidity in Nagai

This chart illustrates the average monthly humidity levels in Nagai, 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 Nagai is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Nagai

In Nagai 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 Nagai.

Maximum UV Index Levels in Nagai for February

The chart shows the monthly maximum UV Index (UVI) for Nagai 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 Nagai typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111119753
Data source: Nagai 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 Nagai Compares to Other Months

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

This table compares monthly weather conditions in Nagai, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)169 mm (6.6 inches)88%moderate
February Weather-2°C (29°F)167 mm (6.6 inches)86%moderate
March Weather2°C (36°F)153 mm (6.0 inches)81%very high
April Weather8°C (46°F)138 mm (5.4 inches)78%very high
May Weather14°C (58°F)120 mm (4.7 inches)81%very high
June Weather18°C (64°F)135 mm (5.3 inches)88%extreme
July Weather22°C (72°F)298 mm (11.7 inches)92%extreme
August Weather23°C (74°F)221 mm (8.7 inches)92%extreme
September Weather19°C (66°F)140 mm (5.5 inches)89%very high
October Weather13°C (55°F)164 mm (6.5 inches)87%high
November Weather7°C (44°F)118 mm (4.7 inches)85%moderate
December Weather0°C (33°F)203 mm (8.0 inches)86%moderate

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