February Weather in Koshi, Japan

Last updated: August 21, 2025

February in Koshi, Japan, is characterized by a cool and crisp climate, with temperatures ranging from a maximum of 20°C (69°F) to a chilly minimum of -5°C (24°F), fostering a vibrant winter atmosphere. The average temperature settles comfortably at 7°C (44°F), making it an ideal time for winter activities. With 96 mm (3.8 in) of precipitation over 10 days, the month brings a refreshing touch, although rain and snow are common. Humidity levels hover around 71%, adding to the winter's brisk sensation. Visitors can expect a mix of cool, damp days and occasional sunny spells, perfect for exploring the picturesque surroundings.

February Temperature in Koshi

In February, Koshi, Japan experiences a subtle yet noticeable shift towards the warmth of spring. The temperatures hover with a minimum of -5°C (24°F), and an average of 7°C (44°F), climbing to a maximum of 20°C (69°F). This slight increase from January's averages indicates that winter is slowly relinquishing its grip, inviting longer days and a hint of balmy air. As the month progresses, one can feel the promise of approaching spring, with the temperatures setting the stage for a vibrant blossom of warmth as the landscape prepares to transition into the lushness of March.

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

The chart illustrates February temperature patterns in Koshi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koshi, February typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec424452596773798275665445
Data source: Temperature data for Koshi generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Koshi

February in Koshi, Japan, marks a notable increase in precipitation, with 96 mm (3.8 in) falling over 10 days. This represents a significant rise from January's 54 mm (2.1 in) and sets the stage for the wetter months ahead. The consistent uptick in rainfall not only enhances the region's lush landscapes but also signals the transition towards the spring season, where average precipitation continues to climb. As the days grow wetter and longer, anticipation builds for the vibrant blooms that will follow in March and April, with each passing rain shower nurturing the region’s natural beauty.

February Precipitation Trends in Koshi

The chart displays monthly precipitation patterns in Koshi, 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 Koshi, February typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54961311322132744782771841076171
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

February Humidity in Koshi

In February, Koshi, Japan experiences a slight dip in humidity, averaging around 71% compared to 75% in January. This decrease sets the stage for a consistent humidity level that remains steady into March. As winter transitions into spring, the humidity begins to climb again, leading to a notable increase in the following months, peaking at a humid 92% in July. Overall, this trend illustrates a gradual rise in humidity levels as the year progresses, with February marking a brief pause before the onset of the summer's moisture-laden air.

February Average Humidity in Koshi

This chart illustrates the average monthly humidity levels in Koshi, 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 Koshi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Koshi

February in Koshi, Japan, sees a notable increase in sunlight intensity, with the UV Index reaching 6, categorizing it as high exposure. This shift from January’s moderate index of 4 means you should be mindful of sun safety, as your burn time decreases to just 25 minutes. As the months progress into March and April, the UV Index rises even further, reaching 8 and a staggering 11, respectively, indicating a trend of intensifying solar radiation that culminates in extreme levels by late spring. With this in mind, it’s essential to stay informed and protected throughout the season. For more insights on UV levels in Koshi, visit Koshi UV Index.

Maximum UV Index Levels in Koshi for February

The chart shows the monthly maximum UV Index (UVI) for Koshi 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 Koshi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211864
Data source: Koshi 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.

February Sunshine in Koshi

February brings a delightful surge of sunlight to Koshi, Japan, with 232 hours of sunshine, a significant increase from January's 178 hours. This upward trend continues as the days grow longer, peaking in the late spring and early summer months. By March, sunlight climbs to 259 hours, reaching its zenith in May with an impressive 283 hours. The gradual ascent of sunlight in February sets the stage for the vibrant energy of spring, showcasing Koshi's transition from winter's embrace to the warming caress of longer, sunnier days that enrich the natural beauty of the region. Each passing month contributes to a tapestry of light, culminating in a radiant summer that bathes Koshi in warmth and vitality.

Monthly Sunshine Duration in Koshi: February Highlighted

The February sunshine duration represents the total number of hours Koshi experiences direct sunlight during the month of February, excluding cloudy or obstructed periods. This chart compares the sunshine duration of February with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h232h259h277h283h254h262h294h248h247h232h218h
Data source: Koshi February Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koshi During February

In February, the chances of sunny weather in Koshi, Japan, rise to 44%, marking a slight increase from January's 41%. This upward trend continues as spring approaches, as March sees a dip to 37% before fluctuating in the following months. Notably, February stands out as a relatively promising month for sunshine, especially when compared to the cloudier prospects of June and July, where sunny days dwindle to 22% and 18%, respectively. As the seasons transition, February offers a brief reprieve with a notable likelihood of clear skies, making it an appealing time for outdoor activities before the rainy season takes hold.

Percentage of Sunny Days in February in Koshi

The chart illustrates the percentage of sunny days in Koshi throughout the year, with February highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Koshi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%44%37%43%28%22%18%26%33%64%52%51%
Data source: Koshi February chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koshi in February

In Koshi, Japan, February sees a consistent 10 hours of daylight, mirroring January's length but hinting at the gradual lengthening of days as spring approaches. This stability in daylight duration sets the stage for the upcoming transition, where March will welcome an increase to 11 hours, suggesting a gentle awakening from winter's grasp. As the months progress, daylight duration continues to rise, peaking at 14 hours in both June and July, before gradually tapering off again into autumn. The steady rhythm of daylight in Koshi not only reflects the changing seasons but also invites residents to embrace outdoor activities as nature awakens.

Average Daylight Hours in Koshi for February

The chart illustrates the variation in daylight duration in Koshi throughout the year, with February highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m10h 59m11h 58m12h 59m13h 50m14h 16m14h 3m13h 18m12h 20m11h 20m10h 27m10h
Data source: Koshi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

February Winds in Koshi

In February, the winds in Koshi, Japan, pick up slightly, averaging 2.8 m/s (6 mph), establishing the month as a gentle transition between winter's stillness and early spring's breezes. This subtle increase in wind speed from January's 2.5 m/s reflects a shift in the season’s dynamics, hinting at the warmer days ahead. Following this peak, the wind then tapers off in March to 2.4 m/s, suggesting the arrival of milder weather patterns. The overall trend throughout the year reveals a seasonal ebb and flow, with spring providing the most invigorating gusts, while June often calms to just 1.6 m/s as summer settles in. Thus, February's breezy charm holds a pivotal role in the unfolding climatic tapestry of Koshi.

Average February Wind Speed in Koshi

The chart displays monthly wind speed patterns in Koshi, with values for each month shown alongside February's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how February's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.8 m/s2.42.52.41.62.32.32.12.02.12.4
Data source: Koshi February wind data, generated using information from the Copernicus Climate Change Service.

How February Weather in Koshi Compares to Other Months

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

February tends to be slightly warmer than January, with average temperatures reaching 7°C (44°F) compared to January's average of 6°C (42°F). Both months experience a minimum temperature of -5°C (24°F), but February sees a higher maximum temperature of 20°C (69°F), while January's maximum is 17°C (63°F). In terms of precipitation, February is noticeably wetter, receiving 96 mm (3.8 in) over 10 days, while January has just 54 mm (2.1 in) across 6 days. Humidity levels are also slightly lower in February at 71%, compared to January's 75%. For more details on the January weather, please check Koshi weather in January.

February and March showcase a notable transition in weather patterns. February experiences cooler temperatures with a minimum of -5°C (24°F) and an average of 7°C (44°F), whereas March sees a slight increase, with a minimum of -1°C (30°F) and an average of 11°C (52°F). Additionally, March boasts a maximum temperature that reaches 24°C (75°F), indicating more warmth compared to February's peak of 20°C (69°F). Precipitation levels also rise, with March recording 131 mm (5.2 in) over 12 days, compared to February's 96 mm (3.8 in) over 10 days. Humidity remains consistent at 71% for both months. For more detailed insights, check out Koshi weather in March.

When comparing the weather in February and April, notable differences emerge in temperature and precipitation. February features a cooler climate with minimum temperatures plunging to -5°C (24°F) and an average of 7°C (44°F), while April experiences milder temperatures, boasting a minimum of 1°C (34°F) and an average of 15°C (59°F). In terms of maximum temperatures, February peaks at 20°C (69°F), in contrast to April's higher maximum of 28°C (82°F). Precipitation is also significant, with February receiving 96 mm (3.8 in) over 10 days, while April sees a slight increase, totaling 132 mm (5.2 in) over 9 days. Additionally, humidity levels rise from 71% in February to 78% in April, contributing to the feeling of warmth as spring progresses. For those interested in more details about April weather, check out Koshi weather in April.

In February, temperatures in the region can drop to a chilly minimum of -5°C (24°F), with averages around 7°C (44°F) and highs reaching 20°C (69°F). The month is characterized by relatively moderate precipitation, totaling 96 mm (3.8 in) over about 10 days and a humidity level of 71%. In contrast, May brings a significant increase in warmth, with temperatures ranging from a minimum of 6°C (43°F) to a pleasant average of 19°C (67°F), and highs soaring to 30°C (86°F). However, May also experiences higher rainfall, with 213 mm (8.4 in) spread across approximately 12 days and humidity rising to 84%. For a closer look at the weather conditions in May, you can visit this link: Koshi weather in May.

February and June present striking contrasts in weather. In February, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 20°C (69°F), with an average of 7°C (44°F). The month experiences about 96 mm (3.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 71%. In contrast, June boasts significantly warmer conditions, with minimum temperatures starting at 13°C (55°F) and peaking at 32°C (89°F), leading to an average temperature of 23°C (73°F). Rainfall in June swells to 274 mm (10.8 in) over 15 days, and humidity rises to 86%. For more details on the weather during this vibrant month, check out Koshi weather in June.

February and July showcase stark contrasts in weather. In February, temperatures range from a chilly -5°C (24°F) to a mild 20°C (69°F), with an average of 7°C (44°F) and 96 mm of precipitation over about 10 days, contributing to a humidity level of 71%. In stark contrast, July brings much warmer conditions, with temperatures ranging from 17°C (63°F) to a scorching 35°C (96°F) and an average of 26°C (79°F). However, it also sees significantly higher precipitation at 478 mm (18.8 in) across roughly 20 days, resulting in a humidity level of 92%. For more detailed insights, you can check out Koshi weather in July.

February and August present strikingly different weather conditions. In February, temperatures range from a brisk -5°C (24°F) to a mild 20°C (69°F), with an average of 7°C (44°F), while the humidity hovers around 71%. This month typically experiences 96 mm (3.8 in) of precipitation over about 10 days. In contrast, August boasts a much warmer climate, with minimum temperatures of 18°C (65°F) and maximums reaching 35°C (96°F), leading to an average temperature of 28°C (82°F). The humidity in August is notably higher at 91%, and it sees a significant increase in precipitation, totaling 277 mm (10.9 in) over approximately 15 days. For more details on the weather specifics in August, you can refer to Koshi weather in August.

February and September show significant differences in weather patterns. In February, temperatures are generally cooler, with a minimum of -5°C (24°F) and an average of 7°C (44°F), while September boasts milder conditions, featuring a minimum of 12°C (53°F) and an average of 24°C (76°F). Precipitation is more frequent in September, occurring over 14 days and accumulating to 184 mm (7.2 in), compared to February's 10 days of rain totaling 96 mm (3.8 in). Additionally, September experiences higher humidity levels at 84%, compared to February's 71%. For a detailed look at weather specifics, visit Koshi weather in September.

February and October present notable contrasts in weather patterns. February experiences colder temperatures, with minimums dropping to -5°C (24°F) and averaging around 7°C (44°F), while the maximum reaches only up to 20°C (69°F). The month also sees significant precipitation of 96 mm (3.8 in) over about 10 days, coupled with a relatively low humidity of 71%. In contrast, October offers a much warmer climate, with minimum temperatures starting at 6°C (44°F) and averaging 19°C (66°F), peaking at a comfortable 31°C (88°F). This month has slightly higher precipitation at 107 mm (4.2 in) across 8 days and increased humidity of 83%. For a more detailed look at temperature trends, visit Koshi weather in October.

In comparing the weather of February and November, February typically experiences colder temperatures, with a minimum of -5°C (24°F) and an average of 7°C (44°F), while November is milder, featuring a minimum of -1°C (30°F) and an average of 12°C (55°F). The maximum temperatures in February can reach 20°C (69°F), whereas in November, they can rise to 25°C (77°F), indicating a transition to warmer weather. Precipitation is more frequent in February, with about 96 mm (3.8 in) over 10 days, compared to November's 60 mm (2.4 in) over 7 days, suggesting that February tends to be wetter. Additionally, November has a higher humidity level at 81%, compared to February's 71%. For more specific details on November weather, you can check Koshi weather in November.

February weather tends to be a bit chillier than December, with average temperatures around 7°C (44°F) and a minimum of -5°C (24°F) compared to December’s minimum of -2°C (29°F). Both months have similar average highs, with December reaching up to 22°C (72°F) and February maxing out at 20°C (69°F). Precipitation is higher in February, with 96 mm (3.8 in) falling over 10 days, compared to December's 71 mm (2.8 in) across 7 days. Additionally, February has a slightly lower humidity level at 71%, while December's averages around 79%. For more information on December weather, check out Koshi weather in December.

Compare Koshi's Climate with Cities Worldwide

Conclusion: What to Expect From February Weather in Koshi

As February unfolds in Koshi, the weather presents a unique blend of chill and mildness, setting it apart from the other months. With average temperatures hovering around a crisp 7°C (44°F), and occasional peaks reaching 20°C (69°F), the warmth is often accompanied by a notable chill, especially at night when it can dip to -5°C (24°F). Unlike the more humid summer months, February experiences significant humidity at 71%, contributing to a brisk atmosphere. Although rainfall is moderate, with about 96 mm over 10 days, it often combines with the cooler air to create a refreshing environment. For those curious about the broader trends and characteristics of Koshi's climate, detailed information can be found at Koshi Climate.