March Weather in Onomichi, Japan

Last updated: August 21, 2025

March in Onomichi, Japan brings a delightful transition into spring, with temperatures ranging from a chilly 0°C (32°F) to a mild 23°C (73°F). The average temperature settles at around 10°C (51°F), making it a refreshing time to explore the city's scenic beauty. Visitors should prepare for the 93 mm (3.7 in) of rainfall expected over 9 days, contributing to a humidity level of 73% that adds a touch of freshness to the atmosphere. This month offers a perfect backdrop for enjoying Onomichi’s stunning landscapes as nature begins to awaken from its winter slumber.

March Temperature in Onomichi

In March, Onomichi, Japan, experiences a delightful transition into spring as temperatures begin to rise. With lows around 0°C (32°F), the chill of winter gives way to a more moderate average temperature of 10°C (51°F). This marks a significant increase from the previous months, underlining the seasonal shift. Daytime temperatures can reach a pleasant 23°C (73°F), inviting locals and visitors alike to enjoy the blossoming scenery. As March progresses, the gradual warming trend sets the stage for April's even milder weather, making it an ideal time to explore the picturesque landscapes that Onomichi has to offer.

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

The chart illustrates March temperature patterns in Onomichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onomichi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434351596873818477675546
Data source: Temperature data for Onomichi 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.

March Precipitation in Onomichi

March marks a significant shift in precipitation for Onomichi, Japan, with 93 mm (3.7 in) of rainfall recorded over 9 days. This increase from February's 54 mm (2.1 in) not only indicates a trend towards wetter weather as spring approaches but also sets the stage for the even heavier showers to follow in April and June. The transition is evident as March's precipitation doubles compared to January's 40 mm (1.6 in), suggesting that the region is moving away from the dry winter months into a more vibrant spring. With the onset of spring rains, Onomichi experiences a refreshing change that enhances its lush landscapes, hinting at the lushness and vitality that are characteristic of the season.

March Precipitation Trends in Onomichi

The chart displays monthly precipitation patterns in Onomichi, 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 Onomichi, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4054931171071493141661741643146
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Onomichi

In March, Onomichi experiences a notable drop in humidity, with levels sitting at 73%, marking a transition from the heavier dampness of winter. This decrease is a precursor to the spring bloom, as humidity begins to rise again in April at 74%. The shifting levels between the quieter winter months and the vibrant onset of spring reflect the region's dynamic climate, where the air gradually warms and moistens leading into the humid summer. As the months progress, humidity peaks in July and August at a steamy 92%, showcasing the stark contrast to March's fresh breeziness. This trend highlights how Onomichi's weather evolves from a cool early spring to a balmy, humid summer, offering a vivid experience of seasonal change.

March Average Humidity in Onomichi

This chart illustrates the average monthly humidity levels in Onomichi, 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 Onomichi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Onomichi

As March unfolds in Onomichi, Japan, the UV Index leaps to 8, transitioning into the very high exposure category, which signals a noticeable increase in sun intensity compared to the previous months. With a rapid decline in burn time to just 15 minutes, it's crucial for residents and visitors to remain vigilant about sun protection. This trend of escalating UV levels continues into April, where the index peaks at 10, urging individuals to guard against sunburn more diligently. The shift from moderate UV levels in January and February serves as a reminder that spring brings not only warmer weather but also heightened sun exposure. For further insights on how to navigate the changing UV landscape, visit Onomichi UV Index.

Maximum UV Index Levels in Onomichi for March

The chart shows the monthly maximum UV Index (UVI) for Onomichi 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 Onomichi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Onomichi 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 Onomichi

March in Onomichi, Japan, heralds a delightful transition to spring, as the city basks in 267 hours of sunshine. This increase marks a notable surge from the 232 hours recorded in February, setting the stage for a season filled with blooming flowers and vibrant landscapes. As the days grow longer, the sun's warm embrace continues through April, reaching 284 hours, and peaks in May with an impressive 305 hours. This upward trajectory not only highlights the arrival of warmer weather but also invites residents and visitors alike to enjoy the stunning scenery and outdoor adventures that Onomichi has to offer. The gradual rise in sunshine hours from winter into spring paints a picture of renewal, making March a captivating month in this charming coastal city.

Monthly Sunshine Duration in Onomichi: March Highlighted

The March sunshine duration represents the total number of hours Onomichi 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.
JanFebMarAprMayJunJulAugSepOctNovDec184h232h267h284h305h292h284h309h261h251h238h221h
Data source: Onomichi March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Onomichi During March

March in Onomichi, Japan, sees a 40% chance of sunny weather, marking a notable dip from February’s 54%. This trend reflects a transition into spring, where sunny days become less predictable. While the likelihood of sunshine begins to recover in April at 47%, it’s interesting to note that May experiences a further decrease to 32%. Overall, March signals the tail end of the more consistently sunny winter months, making it a time for uncertainty in weather patterns, yet still leaving room for delightful sunny surprises as spring approaches.

Percentage of Sunny Days in March in Onomichi

The chart illustrates the percentage of sunny days in Onomichi 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 Onomichi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%54%40%47%32%26%24%28%32%57%55%61%
Data source: Onomichi March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Onomichi in March

In March, Onomichi begins to shake off the chill of winter as daylight extends to 11 hours, a notable increase from the consistent 10 hours seen in January and February. This gradual lengthening of daylight not only signals the arrival of spring but also invites residents and visitors alike to embrace the outdoors. As the days grow longer, anticipation builds for the vibrant blooms of April, when daylight stretches further to 13 hours. This trend of increasing daylight heralds the warmer months ahead, making March a pivotal transition in Onomichi's seasonal rhythm. The promise of longer, sunlit days invigorates the spirit, setting the stage for the beauty that spring will soon unveil.

Average Daylight Hours in Onomichi for March

The chart illustrates the variation in daylight duration in Onomichi throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 55m11h 58m13h 2m13h 57m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 52m
Data source: Onomichi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Onomichi

As March settles in Onomichi, Japan, the average wind speed begins to shift, dipping slightly to 3.0 m/s (7 mph). This marks a gradual transition from the brisker conditions of winter, where January and February boasted winds of 3.4 m/s and 3.8 m/s respectively. Following a trend of declining winds, April and May continue to mellow the atmosphere with even lighter breezes at 2.9 m/s (6 mph) and 2.9 m/s (7 mph). This gentle decline signals the approach of spring, where nature awakens and the winds invite a softer, more serene experience in this coastal city. The gradual reduction in wind speed hints at the calm that accompanies the blooming season, foreshadowing the tranquil beauty that Onomichi is known for.

Average March Wind Speed in Onomichi

The chart displays monthly wind speed patterns in Onomichi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.83.0 m/s2.92.92.02.42.42.42.32.93.5
Data source: Onomichi March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Onomichi Compares to Other Months

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

In comparing the weather between March and January, there are noticeable differences in temperature and precipitation. March sees a milder temperature range, with a minimum of 0°C (32°F) and an average of 10°C (51°F), reaching a maximum of 23°C (73°F). In contrast, January is colder, with temperatures dropping to a minimum of -5°C (24°F), an average of 6°C (43°F), and a maximum of only 15°C (59°F). Additionally, March experiences more rainfall, totaling 93 mm (3.7 in) over 9 days, compared to January's 40 mm (1.6 in) over just 5 days. Humidity also tends to be higher in January at 82%, while March has an average humidity of 73%. For a detailed look at January weather, you can visit Onomichi weather in January.

In comparison to February, March exhibits a notable increase in average temperatures, rising from February's average of 6°C (44°F) to 10°C (51°F). While February experiences slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 20°C (69°F), March offers a wider range, peaking at 23°C (73°F). Precipitation levels also rise in March, totaling 93 mm (3.7 in) over 9 days, compared to February's 54 mm (2.1 in) across 6 days. However, humidity is slightly lower in March at 73%, compared to February's 79%. For more details about February weather, check Onomichi weather in February.

March and April display a notable transition in weather patterns. In March, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 23°C (73°F), with an average of 10°C (51°F). Precipitation during this month totals 93 mm (3.7 in) over 9 days, and humidity levels sit at 73%.

In contrast, April experiences slightly warmer temperatures, with minimums of 2°C (36°F) and maximums reaching 26°C (79°F), resulting in an average of 15°C (59°F). However, rainfall increases to 117 mm (4.6 in) over 8 days, while humidity remains fairly consistent at 74%. For more details, check out Onomichi weather in April.

In March, temperatures begin to rise, with a minimum of 0°C (32°F) and an average of 10°C (51°F), peaking at a comfortable 23°C (73°F). Although the month is relatively cool, it experiences 93 mm (3.7 in) of precipitation over 9 days, coupled with a humidity level of 73%.

In contrast, May showcases a much warmer climate, with minimum temperatures of 7°C (46°F) and an average of 20°C (68°F), reaching a maximum of 31°C (89°F). While it sees slightly more precipitation at 107 mm (4.2 in) over the same number of rainy days, the humidity increases to 84%, creating a more tropical feel. For more detailed information, you can check Onomichi weather in May.

March and June present distinctly different weather conditions. In March, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 23°C (73°F), with an average of 10°C (51°F). The month experiences 93 mm (3.7 in) of precipitation over 9 days, with a humidity level of 73%. In contrast, June brings warmer temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 32°C (90°F), with an average of 23°C (74°F). The precipitation increases to 149 mm (5.9 in) spread across 12 days, accompanied by higher humidity at 86%. For more details on June weather, check out Onomichi weather in June.

March and July present starkly contrasting weather conditions. In March, temperatures range from a chilly 0°C (32°F) at night to a mild 23°C (73°F) during the day, with an average of 10°C (51°F). The month experiences approximately 93 mm (3.7 in) of precipitation over about 9 days, coupled with a humidity level of 73%. In contrast, July sees much warmer temperatures, with minimums of 19°C (66°F) and maximums soaring to 38°C (100°F), averaging around 27°C (81°F). Rainfall is significantly higher in July, totaling 314 mm (12.4 in) over about 17 days, and the humidity peaks at 92%. For a detailed overview of July weather, you can visit Onomichi weather in July.

March and August present contrasting weather patterns. In March, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 23°C (73°F), with an average of 10°C (51°F). During this month, there is a moderate amount of precipitation, totaling 93 mm (3.7 in) over about 9 days, accompanied by a humidity level of 73%. In stark contrast, August experiences significantly warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching up to 37°C (99°F); the average temperature stands at 29°C (85°F). This summer month sees higher precipitation levels of 166 mm (6.5 in) across 11 days and a humidity spike to 92%. For more details on August weather, visit Onomichi weather in August.

March and September present contrasting weather conditions, reflecting the transition from winter to spring and from summer to autumn, respectively. In March, temperatures range from a chilly 0°C (32°F) at night to a mild average of 10°C (51°F), peaking at 23°C (73°F) during the day. The month boasts a moderate level of precipitation, with 93 mm (3.7 in) spread over 9 days, and a relative humidity of 73%.

In sharp contrast, September experiences much warmer temperatures, with a minimum of 14°C (58°F) and an average of 25°C (77°F), reaching highs of 35°C (95°F). This month sees a significant increase in rainfall, totaling 174 mm (6.9 in) over 12 days, accompanied by higher humidity levels at 87%. For a closer look at how the weather unfolds in September, you can visit Onomichi weather in September.

In March, temperatures begin to rise as winter recedes, with a range from a minimum of 0°C (32°F) to a maximum of 23°C (73°F) and an average of 10°C (51°F). The month typically experiences about 93 mm (3.7 in) of precipitation over 9 days, with a humidity level of 73%. In contrast, October showcases a more significant warmth, particularly during the day, with minimum temperatures at 8°C (46°F) and maximums reaching 32°C (89°F), averaging around 19°C (67°F). However, it also brings increased rainfall, totaling 164 mm (6.4 in) over the same number of days, along with higher humidity at 85%. You can find more detailed information on the October weather in Onomichi here.

In comparing the weather of March and November, March tends to offer cooler temperatures, with a minimum of 0°C (32°F), an average of 10°C (51°F), and a maximum of 23°C (73°F). The month experiences more precipitation, totaling 93 mm (3.7 in) over about 9 days, and a humidity level of 73%. In contrast, November presents slightly warmer temperatures, with a minimum of 1°C (35°F), an average of 13°C (56°F), and a maximum of 24°C (75°F). The precipitation in November is significantly lower at 31 mm (1.2 in) over just 4 days, coupled with higher humidity at 84%. For more details on November weather, you can visit Onomichi weather in November.

In March, the weather exhibits a broader range of temperatures, with daily averages around 10°C (51°F) and maximums reaching up to 23°C (73°F). Precipitation is relatively high at 93 mm (3.7 in) over about 9 days, contributing to a humidity level of 73%. In contrast, December features cooler average temperatures, at around 8°C (46°F), and maximums peaking at 20°C (69°F). The month is significantly drier, with only 45 mm (1.8 in) of precipitation spread over 6 days, and humidity rises to 82%. For a closer look at December's conditions, you can check Onomichi weather in December.

Compare Onomichi's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Onomichi

As March unfolds in Onomichi, the weather transitions from the chill of winter to the initial warmth of spring, making it a captivating time to visit. With average temperatures hovering around 10°C (51°F), the days begin to feel milder, often reaching a pleasant 23°C (73°F) at their peak. The city experiences a fair amount of rain, about 93 mm (3.7 in) over 9 days, which contributes to the blossoming flora that characterizes the season. The humidity tends to be relatively high at 73%, adding a refreshing quality to the air. In contrast to the colder and drier months prior, March offers a unique blend of emerging warmth and frequent showers, painting a vivid picture of change. For more insights on what to expect throughout the year, check out the detailed information available at Onomichi Climate.