March Weather in Mong Cai, Vietnam

Last updated: August 28, 2025

In Mong Cai, Vietnam, March showcases a delightful blend of mild temperatures and vibrant moisture. With a maximum of 26°C (80°F) and an average of 21°C (69°F), the weather is perfect for outdoor activities, while a minimum of 14°C (57°F) offers cooler evenings. The month experiences 84 mm (3.3 in) of precipitation over approximately 15 days, contributing to lush landscapes and a feeling of freshness in the air. With humidity hovering around 73%, March in Mong Cai invites both exploration and relaxation amidst its picturesque setting.

March Temperature in Mong Cai

March in Mong Cai, Vietnam, marks a delightful transition into warmer weather as temperatures begin to rise. The month starts with a minimum of 14°C (57°F), a noticeable increase from the cooler winter months, while the average temperature reaches 21°C (69°F), offering a comfortable atmosphere for outdoor exploration. By the end of March, maximum temperatures peak at 26°C (80°F), inviting locals and visitors alike to enjoy the vibrant natural scenery. This gradual warming trend not only heralds the arrival of spring but also sets the stage for even hotter days ahead in April and May, as the region gradually shifts into its sultry season.

March Weather in Mong Cai: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mong Cai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mong Cai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616369748084848483777163
Data source: Temperature data for Mong Cai 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 Mong Cai

In March, Mong Cai experiences a noticeable increase in precipitation, with 84 mm (3.3 in) of rain spread over 15 days, setting the stage for the wetter months ahead. This uptick signals the transition into the rainy season, as rainfall intensifies from February's steady 62 mm. The trend continues into April, where precipitation peaks slightly higher at 86 mm (3.4 in), maintaining a rhythm of increased rainfall that will culminate in the monsoon months of June and July. As the landscape awakens from winter's embrace, March offers a glimpse of the vibrant life rekindled by the ongoing showers, painting a picture of nature's resilience and beauty in this coastal region of Vietnam.

March Precipitation Trends in Mong Cai

The chart displays monthly precipitation patterns in Mong Cai, 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 Mong Cai, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec626384861902653644692562064755
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Mong Cai

In March, humidity levels in Mong Cai, Vietnam reach 73%, marking a slight increase from February's 71%. This upward trend reflects the transition into the wetter months, as the region prepares for the high humidity of April and May, which typically sees levels rise to 71% and 76%, respectively. The steady climb in humidity throughout the earlier months indicates a shift towards the tropical climate that characterizes summer in Mong Cai, with July and August peaking at a notable 86%. Such patterns highlight the dynamic atmospheric changes that occur as the seasons progress, creating an engaging backdrop for the lush landscapes and vibrant culture of this coastal city.

March Average Humidity in Mong Cai

This chart illustrates the average monthly humidity levels in Mong Cai, 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 Mong Cai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%73%71%76%79%86%86%78%72%69%70%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mong Cai

In March, the UV Index in Mong Cai, Vietnam reaches a notable 12, marking the beginning of the extreme exposure category with a burn time of just 10 minutes. This surge in UV levels follows a trend that has been steadily climbing since January, where the index began at 8. As spring unfolds, the intensity of UV radiation peaks, setting the stage for even higher values in the following months, with April and May also recording UV indices of 13. With such potent sun exposure becoming the norm, it’s crucial for residents and visitors alike to take proactive measures in sun safety. For more details, visit Mong Cai UV Index.

Maximum UV Index Levels in Mong Cai for March

The chart shows the monthly maximum UV Index (UVI) for Mong Cai 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 Mong Cai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414131197
Data source: Mong Cai 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 Mong Cai

In Mong Cai, Vietnam, March ushers in a delightful transition from the cooler winter months, boasting 218 hours of sunshine. This slight dip from February’s 219 hours indicates a consistent trend of ample sunlight as the region moves toward spring. Following closely, April shines even brighter with 250 hours, setting the stage for the warm, sun-drenched days of summer. As the months progress, the sunshine hours in May surge to an impressive 305 hours, marking the peak of bright days before summer's gentle decline toward autumn. The gradual increases in sunlight not only enhance the natural beauty of Mong Cai but also promise an inviting atmosphere for visitors and locals alike, who eagerly anticipate the radiant days that lie ahead.

Monthly Sunshine Duration in Mong Cai: March Highlighted

The March sunshine duration represents the total number of hours Mong Cai 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h219h218h250h305h293h296h271h287h265h246h235h
Data source: Mong Cai March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mong Cai During March

In Mong Cai, Vietnam, the likelihood of sunny weather experiences notable fluctuations throughout the year. March, with a 29% chance of sunshine, marks a significant dip in sunny days compared to the preceding months, where the probability of sun peaks in February at 59%. As one transitions from the mild sunshine of January and February, the warmth begins to wane, making March one of the less favorable months for sun-seekers. The trend continues into April, with the likelihood decreasing further to 25%. Interestingly, the year's shift brings about a gradual increase in sunshine chances during the latter months, hinting that while March may not be the sunniest, it paves the way for clearer skies as spring approaches.

Percentage of Sunny Days in March in Mong Cai

The chart illustrates the percentage of sunny days in Mong Cai 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 Mong Cai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%59%29%25%32%13%25%11%32%35%51%54%
Data source: Mong Cai March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mong Cai in March

As March unfolds in Mong Cai, Vietnam, the days grow increasingly luminous, with daylight duration reaching 12 hours. This marks a gradual departure from the shorter days of winter, as the sunshine starts to embrace the region more generously. The increase in daylight continues into April, maintaining that 12-hour span, before blossoming into longer days in May, where it peaks at 13 hours. This steady progression not only enhances outdoor activities but also signals the transition into the vibrant summer months ahead. As the year advances, the daylight begins to wane again in late summer and fall, showcasing a rhythmic ebb and flow that characterizes Mong Cai's seasonal cycle.

Average Daylight Hours in Mong Cai for March

The chart illustrates the variation in daylight duration in Mong Cai throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 25m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 14m11h 37m11h 5m10h 49m
Data source: Mong Cai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Mong Cai

In Mong Cai, Vietnam, March brings a gentle breeze with an average wind speed of 3.3 m/s (7 mph), slightly lower than the preceding months. This transitional period showcases a modest decrease from February's 2.5 m/s, yet remains a refreshing prelude to the increasing winds of late spring and summer. As the region shifts towards warmer temperatures, the wind begins to pick up again, reaching 4.3 m/s in May and peaking at 4.6 m/s in June. March's breezy aura heralds the arrival of more energetic gusts, making it a delightful time to enjoy the outdoors before the summer heat fully takes hold. As such, March serves as a calm yet invigorating precursor to the vibrant winds of the months ahead.

Average March Wind Speed in Mong Cai

The chart displays monthly wind speed patterns in Mong Cai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.72.53.3 m/s3.14.34.63.33.12.36.04.54.0
Data source: Mong Cai March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Mong Cai Compares to Other Months

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

March generally experiences warmer temperatures compared to January, with minimums of 14°C (57°F) versus 7°C (45°F) and average highs reaching 26°C (80°F) compared to January's max of 23°C (73°F). Additionally, March sees more rainfall, accumulating 84 mm (3.3 in) over 15 days, while January records 62 mm (2.4 in) during 10 days of precipitation. The humidity in March is slightly higher at 73% compared to January's 66%, contributing to a more humid atmosphere as spring approaches. For more detailed information, you can check Mong Cai weather in January.

Comparing the weather between March and February reveals a noticeable warming trend as spring progresses. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), with an average of 21°C (69°F). This marks a significant increase from February's cooler temperatures, which see a minimum of 8°C (47°F) and a maximum of 24°C (75°F), averaging 17°C (63°F). Additionally, March experiences more precipitation, totaling 84 mm (3.3 in) over about 15 days, compared to February's 62 mm (2.5 in) over 11 days, while humidity remains relatively similar at 73% in March and 71% in February. For a closer look at February's weather specifics, you can refer to this link: Mong Cai weather in February.

March typically experiences a milder climate compared to April, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 26°C (80°F). In contrast, April sees slightly warmer temperatures, with minimums of 16°C (61°F) and maximums reaching 29°C (85°F). While both months receive similar amounts of precipitation—March at 84 mm (3.3 in) over 15 days and April at 86 mm (3.4 in) over 14 days—April has a slightly lower humidity level at 71% compared to March's 73%. For more detailed information, you can check Mong Cai weather in April.

March and May showcase significant differences in weather patterns. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), with an average of 21°C (69°F). The month experiences moderate rainfall, totaling 84 mm (3.3 in) over approximately 15 days, with humidity around 73%. In contrast, May is warmer, with temperatures fluctuating between a minimum of 19°C (67°F) and a maximum of 32°C (90°F), yielding an average of 27°C (81°F). Rainfall sharply increases to 190 mm (7.5 in) across 19 days, accompanied by a slight rise in humidity to 76%. For a closer look at weather specifics in May, visit Mong Cai weather in May.

March and June weather exhibit notable differences in temperature and precipitation. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), with an average of 21°C (69°F). The month experiences 84 mm (3.3 in) of precipitation over 15 days, accompanied by a humidity level of 73%. In contrast, June sees significantly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (92°F), averaging 29°C (84°F). Additionally, June is much wetter, with 265 mm (10.4 in) of rainfall spread over 23 days and humidity rising to 79%. For more specific insights into the climate during this month, check out Mong Cai weather in June.

The weather in March is generally milder, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), and an average of 21°C (69°F). In contrast, July brings much hotter temperatures, with a minimum of 26°C (78°F) and a maximum of 33°C (91°F), averaging around 29°C (84°F). Additionally, July experiences significantly higher precipitation, totaling 364 mm (14.3 in) over approximately 25 days, compared to March's 84 mm (3.3 in) over 15 days. The humidity also rises in July to 86%, compared to 73% in March. For more detailed insights, you can check the Mong Cai weather in July.

March experiences milder temperatures, with an average ranging from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), while August sees significantly warmer conditions, with temperatures averaging between 25°C (78°F) and 33°C (91°F). In March, the region receives about 84 mm (3.3 in) of precipitation over 15 days, compared to August, which has a much higher total of 469 mm (18.5 in) spread over 26 days, making it noticeably wetter. Additionally, humidity levels rise in August to 86%, compared to 73% in March, contributing to a more oppressive atmosphere during the summer months. For more details, check out the weather specifics here: Mong Cai weather in August.

March and September exhibit notable differences in weather patterns. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), with an average of 21°C (69°F). The month experiences 84 mm (3.3 in) of precipitation over about 15 days, alongside a relatively moderate humidity of 73%. In contrast, September sees significantly warmer temperatures, with a minimum of 24°C (75°F) and a maximum that can reach up to 33°C (92°F), averaging 28°C (83°F). Precipitation increases substantially to 256 mm (10.1 in) over 21 days, and humidity also rises to 78%. This shift indicates a transition from the milder conditions of March to the more humid and wet environment typical of September. For more detailed information, you can refer to Mong Cai weather in September.

In comparing the weather conditions of March and October, we see a significant increase in temperatures during October, with average highs reaching 32°C (90°F) compared to March's maximum of 26°C (80°F). While March experiences a milder climate with lower average temperatures ranging from a minimum of 14°C (57°F) to an average of 21°C (69°F), October's temperatures are warmer, peaking at a minimum of 18°C (65°F) and an average of 25°C (77°F). Additionally, October sees a substantial rise in precipitation, with 206 mm (8.1 in) of rain falling over 14 days, contrasting with March's 84 mm (3.3 in) over 15 days. Both months maintain similar humidity levels, with March at 73% and October slightly lower at 72%. For more detailed information on October weather, visit Mong Cai weather in October.

The weather in March typically sees a minimum temperature of 14°C (57°F) and an average of 21°C (69°F), reaching a maximum of 26°C (80°F). With 84 mm (3.3 in) of precipitation spread over 15 days, and an average humidity of 73%, March tends to be more rainy and slightly more humid compared to November. In contrast, November experiences slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 22°C (71°F), and a maximum of 28°C (82°F). Furthermore, November has lower precipitation at 47 mm (1.8 in) over just 8 days, along with a humidity of 69%. For more detailed information on November weather, you can visit Mong Cai weather in November.

In March, the weather tends to be warmer with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 26°C (80°F), and an average of 21°C (69°F). During this month, precipitation is higher, with about 84 mm (3.3 in) over 15 days and humidity levels reaching 73%. In contrast, December offers cooler temperatures, with a minimum of 8°C (46°F) and an average of 17°C (63°F), peaking at 25°C (78°F). Precipitation is lower in December, totaling 55 mm (2.2 in) across 10 days, and humidity slightly decreases to 70%. For more details, you can refer to Mong Cai weather in December.

Compare Mong Cai's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Mong Cai

As March unfolds in Mong Cai, the weather begins to transition, offering a refreshing change from the cooler winter months. With an average temperature of 21°C (69°F), it provides a mild experience, contrasting with the chill of previous months. While the maximum can reach up to 26°C (80°F), the persistent humidity at 73% paired with 84 mm of precipitation over 15 days introduces a touch of spring's embrace. This month is characterized by frequent showers, which rejuvenate the landscape and set the stage for the vibrant blooms of early spring. If you're keen on exploring Mong Cai's weather patterns throughout the year, be sure to check out Mong Cai Climate for more insights.