Climate and monthly weather forecast
Mai Châu, Vietnam

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The climate of Mai Châu, Vietnam

Positioned in the northern region of Vietnam, Mai Châu is characterized by a Köppen climate classification of Cwa. This classification is indicative of a humid subtropical climate with a dry winter. The year-round climate in Mai Châu is defined by significant temperature shifts and notable rainfall disparities.

Temperatures surge to a cozy high from 30°C (86°F) to 31°C (87.8°F) during June to September, and subtly decline to a moderate range from 20°C (68°F) to 22°C (71.6°F) in December to February. The lowest temperatures hover in a comfortable range from 13°C (55.4°F) to 14°C (57.2°F) in January and February but then escalate to reach a warm range of 23°C (73.4°F) to 24°C (75.2°F) between May and September. Rainfall demonstrates a similar cyclical pattern with a drastic increase from a scanty 23mm (0.91") to a plentiful 107mm (4.21") between January and April, peaking to a hefty 359mm (14.13") in August. The number of rainfall days, starting at 9 days in January, reaches its zenith with 21 days in August. Daylight hours show moderate fluctuation, with the shortest days in December at 10.9 hours and the longest in June at 13.4 hours.

The UV index hovers at a low of 7 in December and peaks at 12 from April to September. Sunshine hours remain relatively stable throughout the year, with an average of 5 hours per day.

The best time to visit Mai Châu

Navigating the complex climate patterns of Mai Châu, the most amiable time to visit this Vietnamese haven can be traced between November and February. During these months, the region enjoys a pleasant range of temperatures between 20°C (68°F) and 22°C (71.6°F). The rainfall also diminishes significantly during these months, which minimizes disruptions to sightseeing plans. Furthermore, the UV index hovers around a slightly less harmful level of 7 to 8, further contributing to the favorable conditions for tourists.

The worst time to visit Mai Châu

Contrarily, the period from July to September poses a plethora of challenges for prospective visitors. The temperature averages at a sweltering 31°C (87.8°F) and rainfall can be anticipatorily high. August being the wettest month, witnesses a significant rainfall of 359mm (14.13") spread across 21 days. Consequently, the increased precipitation and higher temperatures make this period less suitable for exploration and tourism-related activities.

Spring weather in Mai Châu

Spring ushers in increasingly warming temperatures that range from 21°C (69.8°F) to 28°C (82.4°F) and gradually rising humidity levels. Correspondingly, rainfall exhibits an upward trend, escalating from 30mm (1.18") in February to 48mm (1.89") in March. Daylight hours witness an increment peaking at 12.6 hours in April. This season paints a vivid canvas of flourishing nature and balmy weather in Mai Châu.

Summer weather in Mai Châu

Summer arrives in Mai Châu with temperatures soaring as high as 31°C (87.8°F) in the months from June to August. The rainfall during this season witnesses a meteoric rise with June soaking up 282mm (11.1") of rainfall and August being drenched by a hefty 359mm (14.13"). The UV index is at its pinnacle during the summer months, reaching 12. Therefore, sunscreen is a must-have during this season.

Autumn weather in Mai Châu

Autumn in Mai Châu is characterized by a gradual decline in temperatures where they drop from 30°C (86°F) in September to 25°C (77°F) in November. Correspondingly, rainfall levels get tapered down to 129mm (5.08") in October and further to 59mm (2.32") in November. The daylight hours decrease slightly from 12.3 hours in September to 11.2 hours by November, signaling the onset of shorter days.

Winter weather in Mai Châu

Even though winter in Mai Châu brings cooler temperatures that range from 20°C (68°F) in December to 13°C (55.4°F) in February, the weather remains considerably mild and agreeable. Rainfall diminishes considerably to a mere 22mm (0.87") in December, thus making it the driest month. The daylight duration reduces to its shortest span in December, clocking in at 10.9 hours. As for the UV index, it recedes to its lowest point at 7 in December, making it less harmful for the skin.

Weather in January

Beginning the year, January in Mai Châu, Vietnam experiences a moderate climate. The temperatures range from a mild 13°C (55.4°F) to a comfortable 20°C (68°F). This generally cool month makes outdoor activities feasible and enjoyable. Weather in January »

Weather in February

Following January's moderate climate, February experiences a slight increase in temperature and rainfall. Temperatures escalate from 14°C (57.2°F) to 21°C (69.8°F) while rainfall rises to 30mm (1.18") over approximately ten days. Weather in February »

Weather in March

Experiencing substantial changes from the weather seen in February, March displays signs of transition into the wetter months. The range of temperatures shifts upwards from 17°C (62.6°F) to 24°C (75.2°F). The rainfall significantly upscales to 48mm (1.89"), causing the weather to become noticeably damper. Weather in March »

Weather in April

April marks the onset of the wet season in Mai Châu, Vietnam with a significant rise in rainfall. Expect temperatures to fluctuate between 20°C (68°F) and a warm 28°C (82.4°F). The escalation to a substantial 107mm (4.21") of rainfall signifies a significant shift from the earlier months. Weather in April »

Weather in May

In May, the transition towards the rainy season becomes more apparent. The mercury reaches its peak, touching a hot 31°C (87.8°F) from a base of 23°C (73.4°F). Rainfall also peaks considerably, reaching up to 197mm (7.76") and heralding the onset of the wettest part of the year. Weather in May »

Weather in June

June sustains and slightly elevates the hot and wet conditions witnessed in May. The temperature oscillates between 24°C (75.2°F) to a scorching 31°C (87.8°F) with an incredible increase in rainfall up to 282mm (11.1"). The extended daylight hours and substantial sunshine make this month characteristically vibrant despite the rainfall. Weather in June »

Weather in July

July, as expected, retains the intense weather conditions typical of the wet season peak. Temperatures fluctuate from a high 24°C (75.2°F) up to a blistering 31°C (87.8°F). The monthly rainfall maximizes to its yearly record at 296mm (11.65"), encapsulating the peak of the rainy season. Weather in July »

Weather in August

August turns out to be the wettest month in Mai Châu with a whopping 359mm (14.13") of rainfall. It retains the heat from July with temperatures swinging from 24°C (75.2°F) to a high 30°C (86°F). Despite the rains, the weather remains warm and humid while still offering plenty of sunshine. Weather in August »

Weather in September

September presents a slight retreat in the wet season while retaining significant rainfall. Temperatures obtain a similar pattern, ranging from a warm 23°C (73.4°F) to 30°C (86°F). The imminent rainfall decrease indicates the onset of the retreating monsoon phase. Weather in September »

Weather in October

October marks a significant shift towards the dry season in Mai Châu. The temperatures settle between 21°C (69.8°F) and a comfortable 28°C (82.4°F). There is a massive drop in rainfall to 129mm (5.08"), symbolizing the withdrawal of the wet season. Weather in October »

Weather in November

November brings in a cooling trend coupled with a further decline in the rainfall. There's a noticeable difference in temperatures, ranging from 17°C (62.6°F) to 25°C (77°F). With rainfall dropping to 59mm (2.32"), November foretells the advent of the dry season. Weather in November »

Weather in December

December announces the official entry into the dry season, with the temperature and rainfall hitting their annual lows. The weather becomes cooler with temperatures spanning from 14°C (57.2°F) to 22°C (71.6°F). A mere 22mm (0.87") of rainfall makes this month the driest for the year. Weather in December »

Frequently asked questions

What is the coldest time of year?

In Mai Châu, January is the coldest month, with temperatures averaging a high of 20°C (68°F) and a low of 13°C (55.4°F).

How many days does it rain?

Throughout the year, there are 158 rainfall days, and 1799mm (70.83") of precipitation is accumulated.

What are the months with the least sunshine in Mai Châu?

The months with the least sunshine are February and March, with an average of 3h of sunshine.

When is the highest UV index?

The months with the highest UV index are March through September, with an average maximum UV index of 12.

What part of the year is the hottest?

The temperature hits its peak in May through July, recording an average high-temperature of 31°C (87.8°F).

What are the months with the most sunshine?

The months with the most sunshine are May, July and September, with an average of 6h of sunshine.

When are the longest days?

The month with the longest days is June, with an average of 13h and 24min of daylight.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 21 days and typically aggregates up to 359mm (14.13") of precipitation.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 5 days and typically collects 22mm (0.87") of precipitation.

What is the month with the shortest days?

The month with the shortest days in Mai Châu is December, with an average of 10h and 54min of daylight.

Is there Daylight Saving Time (DST)?

Mai Châu does not utilize Daylight Saving Time (DST). +07 timezone is used over the entire year.

When is the lowest UV index?

With an average maximum UV index of 7, December is the month with the lowest UV index in Mai Châu.

Average temperature
Mai Châu, Vietnam

Average temperature - Mai Châu, Vietnam

The warmest months (with the highest average high temperature) are May, June and July (31°C).
The month with the lowest average high temperature is January (20°C).

The months with the highest average low temperature are June, July and August (24°C).
The coldest month (with the lowest average low temperature) is January (13°C).

Average rainfall
Mai Châu, Vietnam

Average rainfall - Mai Châu, Vietnam

The wettest month (with the highest rainfall) is August (359mm).
The driest month (with the least rainfall) is December (22mm).

Average rainfall days
Mai Châu, Vietnam

Average rainfall days - Mai Châu, Vietnam

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is December (5 days).

Average daylight / Average sunshine
Mai Châu, Vietnam

Average daylight / Average sunshine - Mai Châu, Vietnam

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

The months with the most sunshine are May, July and September (Average sunshine: 6h).
The months with the least sunshine are February and March (Average sunshine: 3h).

Average UV index
Mai Châu, Vietnam

Average UV index - Mai Châu, Vietnam

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

Mai Châu, Vietnam

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