Climate and monthly weather forecastLuang Namtha, Laos
Climate and monthly weather forecast
The climate of Luang Namtha
Luang Namtha, situated in Laos, adheres to the Köppen climate classification of Cwa. It marks a Humid subtropical climate with mostly dry winters. Throughout the entire year, the climate varies considerably, providing a diversified weather experience.Accurately describing the overarching weather scenario, the temperatures in Luang Namtha range from lows of 11°C (51.8°F) in the winter to highs reaching up to 32°C (89.6°F) in the heated summers. Meanwhile, April and May tie for the months with highest average maximum temperatures of 32°C (89.6°F) each.
Humidity plays an integral part in Luang Namtha's climate, expressed predominantly through rain patterns. Months from May to August show severe rainfall, peaking in August with 301mm (11.85"). Contrarily, December to March exhibits considerably drier conditions, with December and January seeing the least rainfall at 22mm (0.87"). A steady gradient in the number of rainfall days corroborates this pattern, with 4 days in the driest months gradually rising to 25 days in rain-soaked August.
Daylight duration fluctuates moderately throughout the year. Maximum monthly average daylight hours are observed in June, standing at 13.4 hours. The shortest days fall in December with an average of 10.9 hours of daylight. However, extraordinary patterns surface in terms of Luang Namtha’s sunshine hours. There is a consistent average of 7 hours of sunshine for almost half the year, except for the stretch from June to September featuring a decrease to an average of 4-5 hours.
The UV index, a significant factor for outdoor activities, reaches its apex from March to September, suggesting higher levels of sun protection during these months.
The best time to visit Luang Namtha
While Luang Namtha's beauty can be appreciated throughout the year, the favored period stretches from November to February. Alluring factors include a serene atmosphere, slight rainfall, and comparatively low temperatures. November also marks the commencement of the dry season, yielding less rainfall and fewer rainy days. With average lows as low as 12°C (53.6°F) in December and January, the weather remains refreshing without being too chilly. Travelers can also enjoy approximately 11 to 11.2 daylight hours with 6 sunshine hours daily, perfect for exploring the area’s many attractions.The worst time to visit Luang Namtha
If humidity and high temperatures are not at the top of one's favorable weather conditions, the span from June to August might be best to avoid. During this time, Luang Namtha sees its highest rainfall, reaching a remarkable 301mm (11.85") in August. Moreover, the city experiences its highest average temperature of 32°C (89.6°F) during these months, accompanied by peak humidity levels.Spring weather in Luang Namtha
Spring in Luang Namtha is marked by a gradual increase in temperature, beginning in March with an average high of 31°C (87.8°F) and reaching an average high of 32°C (89.6°F) in May. Rainfall starts to climb from a mild 32mm (1.26") in March to a heavy 168mm (6.61") in May, marking the beginning of the wet season. Nevertheless, travelers can still enjoy an ample 12-13.1 hours of daylight and 7 hours of sunshine daily.Summer weather in Luang Namtha
Summer kicks in with high temperatures, intense rainfall, and increased humidity. From June through August, average high temperatures remain quite steady, hovering around 30°C (86°F). This period is also known for the heaviest rainfall, peaking in August at 301mm (11.85"). However, in terms of daylight, the outlook remains radiant with slightly more than 13 hours of daylight in June, tapering to 12.8 hours by August.Autumn weather in Luang Namtha
Autumn starts with remains of the monsoon, yet as months progress, a significant decrease in rainfall is noticeable. From 172mm (6.77") in September, it dwindles down to 53mm (2.09") by November. Accompanied by a reduction in humidity levels, the weather becomes much more comfortable. The temperature maintains its heat, averaging around 29°C (84.2°F) in September and October, before dipping to more pleasant 26°C (78.8°F) in November.Winter weather in Luang Namtha
Winter in Luang Namtha arrives with a significant drop in temperature and moisture levels. From December to February, temperatures range from highs of 24°C (75.2°F) to 26°C (78.8°F) to lows of 12°C (53.6°F) to 15°C (59°F). With the dry season in full swing, rainfall is considerably less, dropping to a mere 22mm (0.87") in December. This season also sees the shortest days, ranging between 10.9 to 11.2 daylight hours. Regardless, the city enjoys consistent sunshine for approximately 6 hours daily during this period.Weather in January
January in Luang Namtha, Laos, is relatively dry, with a gentle start to the day accompanied by a mild daytime temperature. Though the temperature range is from 11°C (51.8°F) to 25°C (77°F), the mildness is gentle on the skin even at peak daily temperatures. Weather in January »Weather in February
February ushers in slight increases in Luang Namtha weather conditions compared to January. Daytime temperatures, night lows, and rainfall degree all register a slight rise. This month experiences fewer hours of sunshine relative to the length of the day, suggesting cloudy conditions. Weather in February »Weather in March
The weather in March in Luang Namtha begins to warm up considerably, with increases in daytime temperatures, rainfall, and the UV index, reaching 12, the highest for the year. As a result, visitors are advised to pack sun protection. Weather in March »Weather in April
Weather in Luang Namtha undergoes dramatic changes from March to April. Rainfall reaches 92mm (3.62"), indicating the early onset of the monsoon. Despite the high daytime temperatures, the generous hours of daylight allow for early morning or late evening activities when it is relatively cooler. Weather in April »Weather in May
Luang Namtha in May experiences the gradual intensification of rainfall, recording 168mm (6.61"). The heavy downpours this month are often interspaced with bright sunshine, a unique feature of this period. The combination of heavy rainfall and increased UV index makes this a fascinating yet challenging month for visitors. Weather in May »Weather in June
The weather in June is characterized by 219mm (8.62") of rain, indicating further immersion into the monsoon season. The amount of sunshine reduces to just 5 hours despite the days being long. The intensity of the rain turns the terrain into a lush jungle, breathing life into the biodiversity of this region. Weather in June »Weather in July
July in Luang Namtha sees the highest rainfall for the year, registering at 272mm (10.71"). This month is typified by a decrease in sunshine to 4 hours, creating a cooler environment despite the high temperatures. The lush vegetation created by the constant rainfall provides a serene atmosphere in this month. Weather in July »Weather in August
August maintains the wet trend set in July, recording the year's highest rainfall, 301mm (11.85"). The reduced daylight and sunshine hours continue, casting a refreshing ambiance over the city. The landscape, drenched in rains and enveloped in thick foliage, evokes a sense of tranquility. Weather in August »Weather in September
September marks the beginning of the transition from the wet to the dry season in Luang Namtha, with rainfall decreasing to 172mm (6.77"). Despite the decrease, the city remains lush and vibrant, courtesy of rains from previous months. Weather in September »Weather in October
In October, the rainfall in Luang Namtha continues to recede, creating a serene, nature-rich environment. The vastly reduced rain compared to September encourages more outdoor activities. Sunshine hours increase slightly, creating longer periods of pleasant weather, despite the decreasing daylight hours. Weather in October »Weather in November
November is considerably drier, with rainfall at 53mm (2.09"), marking the end of the wet season in Luang Namtha. The city's weather transitions nicely from the damp, humid environment of October to the cooler and drier conditions. Weather in November »Weather in December
December in Luang Namtha is the driest month, with just 22mm (0.87") of rainfall. An unmistakable chill sets in with the lowest average temperatures for the year observed. However, the city maintains a steady streak of sunshine, ensuring it is never too dark even with the short days. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Luang Namtha, Laos
The warmest months (with the highest average high temperature) are April and May (32°C).
The month with the lowest average high temperature is December (24°C).
The months with the highest average low temperature are June and July (22°C).
The coldest month (with the lowest average low temperature) is January (11°C).
Average rainfall
Luang Namtha, Laos
- Average rainfall in January:
22mm - Average rainfall in February:
19mm - Average rainfall in March:
32mm - Average rainfall in April:
92mm - Average rainfall in May:
168mm - Average rainfall in June:
219mm
The wettest month (with the highest rainfall) is August (301mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days
Luang Namtha, Laos
- Average rainfall days in January:
4 days - Average rainfall days in February:
4 days - Average rainfall days in March:
5 days - Average rainfall days in April:
11 days - Average rainfall days in May:
17 days - Average rainfall days in June:
20 days
- Average rainfall days in July:
23 days - Average rainfall days in August:
25 days - Average rainfall days in September:
18 days - Average rainfall days in October:
12 days - Average rainfall days in November:
7 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is August (25 days).
The months with the least rainy days are January, February and December (4 days).
Average daylight / Average sunshine
Luang Namtha, Laos
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 24min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 12min - Average daylight in December:
10h and 54min
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 January, February, March, April and May (Average sunshine: 7h).
The month with the least sunshine is July (Average sunshine: 4h).
Average UV index
Luang Namtha, Laos
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).








