April Weather in Mong Cai, Vietnam

Last updated: August 28, 2025

In Mong Cai, Vietnam, April experiences a pleasant climate characterized by warm temperatures and notable humidity. With maximums reaching up to 29°C (85°F) and an average of 23°C (74°F), the weather is generally inviting, albeit with cooler nights dipping to a minimum of 16°C (61°F). Expect a significant amount of precipitation, totaling 86 mm (3.4 in) over 14 days, contributing to a humidity level of 71% that enhances the tropical atmosphere. This combination of warmth and moisture creates an ideal backdrop for exploring the vibrant landscapes and cultural richness of the region.

April Temperature in Mong Cai

In April, temperatures in Mong Cai, Vietnam begin to warm up significantly, reflecting the transition into spring. With a minimum of 16°C (61°F) and a maximum reaching 29°C (85°F), the weather is pleasantly mild, making it an ideal time to explore the area. The average temperature hovers around 23°C (74°F), indicating a steady upward trend from the cooler months of March. This month marks a notable shift from the previous months, as both the minimum and maximum temperatures continue to rise, hinting at the approaching summer heat. The gradual increase invites outdoor activities and leisurely strolls, perfect for enjoying the blooming landscapes and vibrant local culture.

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

The chart illustrates April 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, April 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.

April Precipitation in Mong Cai

April in Mong Cai, Vietnam, marks a notable transition in the region's climate, characterized by an increase in rainfall as the city braces for the forthcoming monsoon season. With precipitation amounting to 86 mm (3.4 in) over 14 rainy days, April's rainfall slightly surpasses that of March, revealing a gradual upward trend as the month progresses. As temperatures rise and humidity increases, the precipitation levels set the stage for the following months, where rainfall dramatically escalates, with May witnessing a steep jump to 190 mm (7.5 in). This consistent build-up not only prepares the landscape for lush growth but also indicates a shift in seasonal patterns, establishing April as a critical month in Mong Cai's climatic rhythm.

April Precipitation Trends in Mong Cai

The chart displays monthly precipitation patterns in Mong Cai, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Mong Cai, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec626384861902653644692562064755
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Mong Cai

In Mong Cai, Vietnam, April experiences a slight dip in humidity, averaging at 71%, echoing February's levels. This month serves as a transitional period, following the steady rise from 66% in January to the peak of 73% in March. As the region approaches the sweltering summer months, humidity escalates significantly, reaching a marked 76% in May and soaring to 86% by July and August. The trends illustrate a clear trajectory: humidity levels generally increase as the year progresses, with the spring months of March and April representing a brief lull before the full onset of the tropical season.

April Average Humidity in Mong Cai

This chart illustrates the average monthly humidity levels in Mong Cai, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Mong Cai

In April, Mong Cai experiences an extreme UV Index of 13, with a burn time as short as 10 minutes, highlighting the critical need for sun protection. This trend of increasing UV levels emerges from the preceding months, with March recording a UV Index of 12 and February peaking at 10. As the year progresses, the UV intensity generally remains elevated, with May and June maintaining the same extreme rating. This consistent exposure emphasizes the importance of safeguarding your skin during this time. Whether you're basking in the sun or exploring the vibrant surroundings, staying informed and protected is essential. For more detailed UV insights, visit Mong Cai UV Index.

Maximum UV Index Levels in Mong Cai for April

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

April Sunshine in Mong Cai

As April arrives in Mong Cai, it brings a delightful surge of sunshine, boasting an impressive 250 hours of bright daylight that marks a vibrant peak in the early year. Following the gentle warmth of March, which recorded 218 hours, April's sunny days set the stage for the increasingly luminous months ahead. This trend continues as the region transitions into May, where the hours of sunshine escalate to an exuberant 305 hours, making it the sunniest month of the year. This notable increase from April reflects the region's warm climate, inviting both locals and visitors alike to bask in the vibrant outdoor life as nature flourishes under the sunny skies. The gradual rise in daylight hours throughout the spring is a welcome backdrop to Mong Cai's enchanting landscapes, reinforcing its reputation as a delightful escape.

Monthly Sunshine Duration in Mong Cai: April Highlighted

The April sunshine duration represents the total number of hours Mong Cai experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec170h219h218h250h305h293h296h271h287h265h246h235h
Data source: Mong Cai April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mong Cai During April

In Mong Cai, Vietnam, the likelihood of sunny weather in April presents a noticeable dip, with only a 25% chance of clear skies. This trend is part of a broader pattern, where the early months of the year offer progressively better sunshine opportunities, peaking in February at 59%. However, as spring transitions to summer, the chances of sunny days decline significantly, especially in June, where only 13% of days are expected to be bright. With this seasonal fluctuation, April serves as a gentle reminder that while some sun is likely, it's best to keep an eye on the clouds as the month unfolds.

Percentage of Sunny Days in April in Mong Cai

The chart illustrates the percentage of sunny days in Mong Cai throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mong Cai in April

As spring unfolds in Mong Cai, Vietnam, April sees a continuation of the delightful trend in daylight duration that began in March, maintaining a comforting 12 hours of daylight. This balance heralds the transition from the cooler months, where daylight spans range from 10 to 12 hours, into the brighter, more vibrant days of summer. In the following months, May through July, daylight peaks at an inviting 13 hours, inviting locals and visitors alike to bask in the sunlight. As the year progresses, daylight begins its gentle retreat, settling back to 12 hours in August before tapering to 11 hours in the fall and winter months. This rhythmic cycle beautifully reflects the changing seasons, highlighting the enchanting dance of light and warmth in Mong Cai.

Average Daylight Hours in Mong Cai for April

The chart illustrates the variation in daylight duration in Mong Cai throughout the year, with April 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.

April Winds in Mong Cai

In Mong Cai, Vietnam, the month of April experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), indicating a subtle shift from the previous months. Following the cooler winter months of January and February, where winds were notably calmer, the spring season brings a refreshing, but not overwhelming, wind. As April transitions into May, we begin to see a notable increase, with winds picking up to an average of 4.3 m/s (10 mph). This trend suggests that the region is gearing up for the summer months, characterized by stronger winds, particularly as we approach October, which boasts the highest average speed of 6.0 m/s (13 mph). The ebb and flow of winds throughout the year not only enhance the coastal charm of Mong Cai but also invigorate its vibrant surroundings, making each season uniquely refreshing.

Average April Wind Speed in Mong Cai

The chart displays monthly wind speed patterns in Mong Cai, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.72.53.33.1 m/s4.34.63.33.12.36.04.54.0
Data source: Mong Cai April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April’s weather to other months in Mong Cai, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January showcase distinct weather patterns. In April, temperatures rise significantly, with a minimum of 16°C (61°F) and an average of 23°C (74°F), peaking at 29°C (85°F). This month experiences more precipitation, totaling 86 mm (3.4 in) over 14 days, along with higher humidity levels at 71%. In contrast, January is cooler, with temperatures ranging from a minimum of 7°C (45°F) to an average of 16°C (61°F) and a maximum of 23°C (73°F). It also sees less rainfall, with 62 mm (2.4 in) falling over 10 days and humidity at a lower 66%. For more details on January conditions, visit Mong Cai weather in January.

April generally offers warmer conditions compared to February, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), compared to February's range of 8°C (47°F) to 24°C (75°F). Precipitation is also higher in April, with 86 mm (3.4 in) over 14 days, while February sees less rain at 62 mm (2.5 in) across 11 days. Interestingly, both months share the same humidity level of 71%. For a detailed overview, you can check Mong Cai weather in February.

In comparing the weather between March and April, we see a slight increase in temperature during April, with average temperatures rising from 21°C (69°F) in March to 23°C (74°F). April also has a higher maximum temperature of 29°C (85°F) compared to March's 26°C (80°F). Precipitation levels are quite similar, with April receiving 86 mm (3.4 in) over 14 days and March recording slightly less at 84 mm (3.3 in) over 15 days. Humidity remains relatively consistent, with April at 71% and March at 73%. For more detailed information about March weather, you can check Mong Cai weather in March.

In comparing the weather between April and May, we observe a notable increase in temperature and humidity. In April, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average temperature of 23°C (74°F) and an overall humidity of 71%. In contrast, May experiences warmer conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). Additionally, May sees a higher level of precipitation, totaling 190 mm (7.5 in) over 19 days, compared to April's 86 mm (3.4 in) over 14 days, resulting in a humidity increase to 76%. For more detailed insights, you can refer to Mong Cai weather in May.

In April, temperatures gradually rise from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). The month sees around 86 mm (3.4 in) of precipitation spread over approximately 14 days, resulting in a humidity level of 71%. In contrast, June experiences warmer temperatures, with minimums of 23°C (74°F) and maximums reaching up to 33°C (92°F), averaging 29°C (84°F). However, it also brings significantly more rainfall, totaling 265 mm (10.4 in) over about 23 days, leading to a higher humidity level of 79%. For a detailed look at June's weather in Mong Cai, visit Mong Cai weather in June.

In April, the weather is characterized by milder temperatures, with a minimum of 16°C (61°F) and an average of 23°C (74°F), reaching a maximum of 29°C (85°F). The month experiences moderate precipitation of 86 mm (3.4 in) over about 14 days, alongside a humidity level of 71%. In contrast, July sees significantly warmer conditions, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 33°C (91°F) and an average of 29°C (84°F). However, it is also much wetter, with rainfall totaling 364 mm (14.3 in) over 25 days, and humidity rising to 86%. For more details on the weather during this month, check out Mong Cai weather in July.

April and August present contrasting weather conditions. In April, temperatures range from a mild minimum of 16°C (61°F) to a comfortable maximum of 29°C (85°F), with an average of 23°C (74°F). Rainfall is moderate at 86 mm (3.4 in) over 14 days, and humidity sits at a relatively comfortable 71%. In contrast, August experiences significantly warmer temperatures, with lows starting at 25°C (78°F) and highs reaching up to 33°C (91°F) and an average of 29°C (84°F). Precipitation skyrockets to 469 mm (18.5 in) over 26 days, accompanied by higher humidity at 86%. Thus, while April offers a more temperate and drier climate, August showcases the heat and heavy rainfall typical of the rainy season. For more detailed information, you can check Mong Cai weather in August.

In April, the weather features milder temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average temperature of 23°C (74°F). However, this month also brings frequent rainfall, totaling 86 mm (3.4 in) over about 14 days, and humidity levels hover at 71%. In contrast, September experiences hotter conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), and an average temperature of 28°C (83°F). This month sees significantly higher precipitation at 256 mm (10.1 in) across 21 days, combined with increased humidity at 78%. For more detailed insights on September weather, you can visit Mong Cai weather in September.

In April, the weather typically features mild temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). However, this month also sees considerable rainfall, accumulating around 86 mm (3.4 inches) over about 14 days and maintaining a humidity level of 71%. In contrast, October experiences slightly warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 32°C (90°F), averaging 25°C (77°F). October is notably wetter, with precipitation reaching 206 mm (8.1 inches) over the same number of days, resulting in a humidity level of 72%. For more specific insights into October weather, you can visit Mong Cai weather in October.

April and November exhibit distinct weather patterns, making each month unique. In April, temperatures generally range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). It's also a wetter month, experiencing about 86 mm (3.4 in) of precipitation over 14 days, coupled with a humidity level of 71%. In contrast, November features milder temperatures, with a minimum of 12°C (54°F), an average of 22°C (71°F), and a maximum of 28°C (82°F). The precipitation decreases significantly to 47 mm (1.8 in) over just 8 days, and humidity remains slightly lower at 69%. For more information about the weather in November, you can check Mong Cai weather in November.

In April, temperatures are notably warmer, ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average temperature of 23°C (74°F). This month also experiences significant rainfall, accumulating 86 mm (3.4 in) over 14 days, which results in a humidity level of 71%. In contrast, December offers cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 25°C (78°F), averaging at 17°C (63°F). Precipitation is lower in December, totaling 55 mm (2.2 in) across 10 days, while humidity remains similar at 70%. For more details on December weather, you can refer to Mong Cai weather in December.

Compare Mong Cai's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Mong Cai

April in Mong Cai ushers in a delightful transition from the cooler, damp months of winter to the warmth of spring. With temperatures averaging around 23°C (74°F), the month offers a pleasant respite without the excess heat typical of summer. Humidity levels sit at a comfortable 71%, making outdoor exploration enjoyable, despite the 14 days of rain that contribute to the region's lush landscapes. This month’s precipitation, while significant at 86 mm (3.4 in), often comes in the form of refreshing showers that nourish the vibrant scenery, distinguishing April from the drier summer months. For those seeking to understand more about Mong Cai's climate nuances throughout the year, visit Mong Cai Climate.