March Weather in Osaka, Japan

Last updated: August 21, 2025

March in Osaka, Japan marks the transition to spring, showcasing a lively mix of weather conditions. With maximum temperatures reaching up to 23°C (73°F) and an average hovering around 10°C (51°F), visitors can expect mild and pleasant days, though nights can be brisk, with lows dipping to -1°C (31°F). The city experiences around 109 mm (4.3 in) of precipitation over approximately 11 days, contributing to the refreshing ambiance as the landscape begins to bloom. With a humidity level of 74%, the air carries a hint of moisture, typical for this time of year, creating a rejuvenating environment that beckons exploration and enjoyment.

March Temperature in Osaka

In March, Osaka begins to shake off the chill of winter, heralding the arrival of spring with a noticeable rise in temperatures. The minimum temperature hovers around -1°C (31°F), while the average climbs to a comfortable 10°C (51°F), peaking at a pleasant 23°C (73°F). This transition not only invites locals and tourists outdoors to enjoy the blooming cherry blossoms, but it also signals a vibrant shift in the city's atmosphere. Compared to the colder months preceding it, March is a breath of fresh air, with temperatures steadily climbing and a hint of warmth that promises the delightful days ahead in April and May. As the days grow longer and the sun shines brighter, Osaka truly comes to life in this enchanting month.

March Weather in Osaka: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Osaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osaka, March 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).
JanFebMarAprMayJunJulAugSepOctNovDec424351596874828577675647
Data source: Temperature data for Osaka 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.

March Precipitation in Osaka

March marks a significant shift in precipitation patterns in Osaka, Japan, with rainfall escalating to 109 mm (4.3 in) over 11 days. This increase is notable compared to the preceding months, where January and February saw much lighter precipitation at 46 mm (1.8 in) and 60 mm (2.3 in), respectively. As spring unfolds, the city's wet weather begins to intensify, paving the way for even rainier months ahead, with April and May averaging 135 mm (5.3 in) and 150 mm (5.9 in), respectively. This trend suggests that March is not only a transitional month but also heralds the onset of a wetter season, as Osaka prepares for the increased rainfall typical of the spring months.

March Precipitation Trends in Osaka

The chart displays monthly precipitation patterns in Osaka, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Osaka, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec46601091351501472821831692304457
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Osaka

March in Osaka sees a moderate drop in humidity, settling at 74%, which marks a noticeable decline from the dampness of the winter months. This decrease signals the shift towards spring, as the city gradually trades its chilly, moisture-laden air for the milder, invigorating breeze that characterizes the season. Following March, humidity ticks up again in April to 76%, indicating that while the air becomes more breathable, it’s still infused with some lingering moisture. As temperatures rise in the ensuing months, humidity escalates sharply, peaking in the sweltering summer. Overall, March serves as a transitional month, balancing the remnants of winter's humidity with the promise of spring's renewal.

March Average Humidity in Osaka

This chart illustrates the average monthly humidity levels in Osaka, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Osaka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Osaka

As spring approaches in Osaka, March marks a notable increase in UV intensity, with the UV Index rising to 8, categorizing it as very high. This sharp rise from February’s high level of 6 indicates a pivotal shift, as the burn time decreases significantly to just 15 minutes. The trend suggests that as we move from winter into spring, sun safety becomes increasingly crucial; so it's essential to stay informed and protected. This pattern continues into April, where the UV Index escalates further to reach extreme levels. For more detailed insights and updates, you can check Osaka UV Index.

Maximum UV Index Levels in Osaka for March

The chart shows the monthly maximum UV Index (UVI) for Osaka in March, 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 March, the maximum UV index in Osaka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110753
Data source: Osaka March 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.

March Sunshine in Osaka

March in Osaka ushers in an invigorating increase in sunshine, boasting 265 hours of sunlight—up from 229 hours in February. This rise is part of a delightful trend as the region transitions from winter to spring, paving the way for even sunnier days ahead. As daylight continues to grow, April sees a further increase to 279 hours, signaling the blooming season where cherry blossoms paint the city. This upward trend culminates in May, which shines the brightest with 291 hours of sun, creating the perfect backdrop for outdoor adventures. The gradual ascent in sunshine not only brightens the days but also energizes the vibrant atmosphere of Osaka, making March a delightful precursor to the sunny months that follow.

Monthly Sunshine Duration in Osaka: March Highlighted

The March sunshine duration represents the total number of hours Osaka experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec185h229h265h279h291h268h258h305h242h237h236h221h
Data source: Osaka March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Osaka During March

As March rolls into Osaka, Japan, the likelihood of sunny weather dips to 40%, a notable decrease from the sunnier months preceding it. While January and February show a promising 49% and 52% chance of sunshine, March brings the start of spring with an unpredictable twist. Interestingly, the month is more likely to offer cloudier days compared to the subsequent months of April (45%) and May (29%), hinting at a transient period that precedes warmer climates. This trend suggests that while March harbors potential for pleasant days, visitors should remain prepared for a mix of sun and shade as the seasons shift.

Percentage of Sunny Days in March in Osaka

The chart illustrates the percentage of sunny days in Osaka throughout the year, with March 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 Osaka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%52%41%45%29%24%32%28%30%53%52%57%
Data source: Osaka March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Osaka in March

As March rolls into Osaka, Japan, the days begin to lengthen, with daylight extending to 11 hours. This arrival of more sunlight marks the beginning of a gradual upward trend that will reach its peak during the summer months. After the winter months, where daylight lingers around 10 hours, March heralds a shift towards longer days, paving the way for the beautiful blooms of spring. Following this increase, daylight will peak at 14 hours in June and July before slowly tapering off again in the fall. This dynamic shift not only enhances outdoor activities but also invites residents and visitors alike to bask in the vibrant energy of the season.

Average Daylight Hours in Osaka for March

The chart illustrates the variation in daylight duration in Osaka throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 3m13h 58m14h 25m14h 12m13h 24m12h 21m11h 16m10h 20m9h 51m
Data source: Osaka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Osaka

As March arrives in Osaka, the wind whispers a gentle retreat from winter's grip, recording an average speed of 2.7 m/s (approximately 6 mph). This slight dip from the previous months marks a transition into the heart of spring, where soft breezes replace the brisk gusts of January and February. Interestingly, April and May maintain this serene wind speed, suggesting a mellow atmosphere is here to stay as flowers bloom and the city awakens. Following this springtime calm, the winds begin to slowly decrease in June, hinting at the upcoming summer heat, while the overall trend from January to March showcases a gradual softening, embodying the delicate balance of nature's pace in Osaka this season.

Average March Wind Speed in Osaka

The chart displays monthly wind speed patterns in Osaka, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.12.7 m/s2.72.71.82.02.42.22.22.32.8
Data source: Osaka March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Osaka Compares to Other Months

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

In March, the weather tends to be milder compared to January, with average temperatures rising from January's 6°C (42°F) to a more pleasant 10°C (51°F). While January experiences slightly cooler minimum temperatures of -3°C (26°F), March sees temperatures dipping to a minimum of -1°C (31°F). Additionally, March is wetter, with 109 mm (4.3 in) of precipitation over 11 days, compared to January's 46 mm (1.8 in) spread over just 6 days. Humidity levels also decrease slightly from January's 82% to March's 74%. For those curious about January's specific conditions, more details can be found at Osaka weather in January.

March generally presents milder temperatures compared to February, with minimums rising from -3°C (26°F) in February to -1°C (31°F) and average temperatures increasing from 6°C (43°F) to 10°C (51°F). The maximum temperatures can reach up to 23°C (73°F) in March, surpassing February's peak of 20°C (68°F). However, March experiences significantly more precipitation with 109 mm (4.3 in) over 11 days, compared to February's 60 mm (2.3 in) across 6 days. Additionally, the humidity in March is slightly lower at 74% compared to February's 79%. For more detailed information, check Osaka weather in February.

March and April exhibit a noticeable transition in weather patterns. March features a range of temperatures from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), with an average temperature of 10°C (51°F). In contrast, April sees warmer conditions, with minimums at 3°C (37°F) and maximums rising to 26°C (79°F), resulting in a more pleasant average of 15°C (59°F). Precipitation is slightly higher in April, totaling 135 mm (5.3 in) over 10 days compared to March's 109 mm (4.3 in) across 11 days. Humidity levels remain similar, with March at 74% and April slightly higher at 76%. For more details, visit Osaka weather in April.

March and May present a notable contrast in weather conditions. In March, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 10°C (51°F), peaking at a maximum of 23°C (73°F). The month experiences significant precipitation, totaling 109 mm (4.3 in) over 11 days, with a humidity level of 74%. In contrast, May brings warmer temperatures with a minimum of 8°C (47°F), an average of 20°C (69°F), and a maximum reaching 31°C (88°F). Although May sees a higher total precipitation of 150 mm (5.9 in) spread over just 10 days, humidity rises to 83%. For more specific insights into May’s weather, you can visit Osaka weather in May.

March and June exhibit distinct differences in weather patterns. In March, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable average of 10°C (51°F), peaking at 23°C (73°F). The month sees about 109 mm (4.3 in) of precipitation over 11 days, with humidity levels around 74%. In contrast, June offers a much warmer climate, with temperatures starting at a minimum of 14°C (58°F), averaging 24°C (75°F), and reaching a maximum of 32°C (89°F). Rainfall increases to 147 mm (5.8 in) over 12 days, and humidity rises to 87%, making the atmosphere feel more humid. For more detailed information, you can check Osaka weather in June.

March and July present contrasting weather patterns, each with unique characteristics. In March, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (51°F). The month experiences moderate precipitation with 109 mm (4.3 in) spread over 11 days and a humidity level of 74%. In stark contrast, July brings much warmer temperatures, with a minimum of 20°C (69°F) and a sweltering maximum of 37°C (99°F), averaging 28°C (82°F). It also sees significantly more rainfall, totaling 282 mm (11.1 in) over 18 days, and increased humidity at 93%. For more details, check out Osaka weather in July.

March and August exhibit strikingly different weather patterns. In March, temperatures range from a chilly -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of around 10°C (51°F). The month sees a moderate amount of precipitation, totaling 109 mm (4.3 in) over about 11 days, accompanied by a humidity level of 74%. In contrast, August is significantly warmer, featuring minimum temperatures of 19°C (66°F) and soaring highs of 38°C (101°F), with an average temperature of 29°C (85°F). Precipitation increases to 183 mm (7.2 in) over 12 days, and the humidity rises to a sweltering 91%. For more detailed insights into August weather, you can check Osaka weather in August.

March and September present contrasting weather patterns. In March, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (51°F). The month experiences about 109 mm (4.3 in) of precipitation over 11 days, resulting in a humidity level of 74%. In contrast, September is significantly warmer, with minimum temperatures of 15°C (59°F) and maximum temperatures soaring to 37°C (99°F), averaging around 25°C (78°F). The increase in precipitation to 169 mm (6.7 in) over 15 days, along with a higher humidity level of 87%, creates a much more sultry environment. For a deeper insight into September's climate, you can explore Osaka weather in September.

March and October present contrasting weather experiences. In March, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 23°C (73°F), with an average of 10°C (51°F). The month sees about 109 mm (4.3 in) of precipitation over 11 days, coupled with a humidity level of 74%. In contrast, October features warmer temperatures, starting at a milder 8°C (46°F) and reaching up to 33°C (91°F), with an average of 20°C (67°F). However, October also has higher precipitation levels, totaling 230 mm (9.0 in) over 12 days, along with an increase in humidity to 85%. For more specifics about the October climate, you can check Osaka weather in October.

March and November showcase distinct weather patterns, reflecting the transition between winter and spring in March and autumn in November. In March, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (51°F). This month experiences considerable rainfall, totaling 109 mm (4.3 in) over approximately 11 days, along with a humidity level of 74%. In contrast, November has a milder temperature range, with a minimum of 2°C (35°F) and a maximum of 25°C (78°F), averaging around 13°C (56°F). Precipitation is significantly lower at 44 mm (1.7 in) across only 6 days, and the humidity increases to 83%. For more details on the November climate, you can visit Osaka weather in November.

March and December in Osaka exhibit distinct weather patterns that reflect the transition between winter and spring. In March, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (51°F). The month sees relatively high precipitation, totaling 109 mm (4.3 in) over approximately 11 days, along with a humidity level of 74%. In contrast, December maintains a slightly cooler average temperature of 8°C (47°F), with highs reaching 22°C (71°F). The precipitation is significantly lower at 57 mm (2.2 in) across 6 days, while humidity rises to 83%. For more specifics about December weather, check Osaka weather in December.

Compare Osaka's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Osaka

As March rolls into Osaka, the city experiences a delightful transition from the chill of winter to the budding warmth of spring. With temperatures gradually rising and a noticeable increase in humidity, this month marks a refreshing shift compared to the colder winter months. While it's not uncommon to encounter some rain—averaging about 11 days of precipitation—March offers a more temperate climate, allowing visitors and residents alike to enjoy the blooming cherry blossoms. For an in-depth look at the climate throughout the year, be sure to check out Osaka Climate.