Climate and monthly weather forecastLuang Prabang, Laos
Climate and monthly weather forecast
The climate of Luang Prabang
Luang Prabang, located in Laos, experiences a predominantly Humid Subtropical climate, classified as Cwa under the Köppen climate classification. This classification signifies considerable variation in temperature and rainfall throughout the year, with a distinctive dry winter period.Temperature highs range from 26.3°C (79.3°F) in December to 34.4°C (93.9°F) in April, revealing a tropical environment with a hot summer. On the other end, the low temperatures vary between 14.2°C (57.6°F) in January and 24.5°C (76.1°F) from June to July, indicating mild to warm nights. It can be observed that the mildness of a winter night contrasts with the sweltering heat of the summer afternoons.
Humidity varies but remains relatively high throughout the year, maintaining an average above 74%. The driest month is March with a humidity level of 74%, while September and August record the highest average relative humidity of 89%.
Rainfall patterns show drastic changes in volume and frequency of days with precipitation. The year starts with a scant 15mm (0.59") in January, and then, the precipitation graph depicts an upward crawl, peaking at 289mm (11.38") in August, and slowly descending to 10mm (0.39") in December. The number of rainy days follows a similar trajectory, from a low point of one day in December to a significant nineteen days in August.
Daylight and sunshine hours too, follow this inconsistent pattern, with the shortest duration of 10.9 hours in December slowly increasing to a high of 13.3 hours in June; however, the actual sunshine hours indicate less sunny days from June to August despite longer daylight hours. The UV index remains considerably high throughout the year, with a constant reading of 12 from March to September.
The best time to visit Luang Prabang
Given the climatological patterns, the best time to visit Luang Prabang would be from November to February. During these months, the city experiences relatively cooler temperatures, ranging from 26.3°C (79.3°F) to 30.8°C (87.4°F) in the day and 14.2°C (57.6°F) to 18°C (64.4°F) at night. Rainfall is also at a minimum, with only two to three rainy days per month. The city enjoys an average of six to seven hours of sunshine, making it an ideal setting for outdoor activities.The worst time to visit Luang Prabang
The least suitable period to visit Luang Prabang would be between June and September. These months experience the highest rainfall reaching up to 289mm (11.38"), with as much as 16 to 19 rainy days in a month. Despite the longer daylight hours, the actual sunlight hours reduce to around 4 to 4.6 hours per day due to cloud coverage. Add high humidity, with average values above 85%, and the appeal for outdoor activities diminishes greatly.Spring weather in Luang Prabang
Spring in Luang Prabang, from March to May, is characterized by increasing temperatures, from 30°C (86°F) to a high of 34.4°C (93.9°F). Nights become warmer too, with temperatures ranging from 18°C (64.4°F) to 23.5°C (74.3°F). Rainfall begins to increase from 30mm (1.18") to 147mm (5.79") in May, with corresponding rainy days increasing from three to twelve. The weather, however, still permits a considerable amount of sunshine, ranging from 6.4 to 6.9 hours per day.Summer weather in Luang Prabang
Summers in Luang Prabang, from June to August, are typified by considerable rainfall with the humidity reaching as high as 89%. Daytime temperatures hover around 31.5°C (88.7°F) to 32.4°C (90.3°F), and night temperatures remain around 24°C (75.2°F). Despite having the longest daylight hours in the year, the actual sunshine hours lower due to frequent rainfall and cloud cover.Autumn weather in Luang Prabang
Autumn, from September to November, ushers in decreasing rainfall, from 173mm (6.81") to 40mm (1.57"). The number of rainy days also reduces from twelve to three. The daytime temperatures decrease moderately, falling from 31.9°C (89.4°F) in September to 28.5°C (83.3°F) by November.Winter weather in Luang Prabang
Winter months from December to February are characteristically dry with the least rainfall, dipping as low as 10mm (0.39") in December with just one rainy day. Daytime temperatures range from 26.3°C (79.3°F) to 27.4°C (81.3°F), with night time temperatures from 14.2°C (57.6°F) to 15.4°C (59.7°F). The daylight duration and sunshine hours fall to their minimum levels for the year.Weather in January
Kicking off the year, the weather in Luang Prabang, Laos exhibits a distinct winter characteristic. Temperatures navigate between a range from a chilly low of 14.2°C (57.6°F) up to a more comfortable 27.4°C (81.3°F). With the moderate sunshine spanning 6.2 hours a day and a UV index of 8, the weather tends to be relatively mellow and pleasant. Weather in January »Weather in February
February sees a slight increment in temperature, sunshine hours, and UV index, marking a transition from winter to early spring in Luang Prabang. Monthly highs and lows follow an upward trajectory soaring from 14.2°C (57.6°F) to 15.4°C (59.7°F) and 27.4°C (81.3°F) to 30.8°C (87.4°F) respectively. Weather in February »Weather in March
The month of March signifies an evident shift in Luang Prabang weather conditions, making the transition from spring to early summer. The city experiences a more pronounced increase in termperatures with the mercury pushing its upper boundary from 30.8°C (87.4°F) to 33.1°C (91.6°F). Weather in March »Weather in April
April ushers in the hottest season of the year in Luang Prabang. With temperatures soaring from 33.1°C (91.6°F) to 34.4°C (93.9°F), it marks the peak of Laos' summer. The heat is mitigated with an extended daylight of 12.6 hours. Weather in April »Weather in May
In May, Luang Prabang steps into the reins of the wet season. Although temperature slightly decreases to 33.8°C (92.8°F), a notable upturn in rainfall happens as it fortifies from 108mm (4.25") to 147mm (5.79"), making May one of the wettest months. Weather in May »Weather in June
June is characterized by further escalation of the rain season in Luang Prabang. The amount of rainfall soars to its annual peak at 258mm (10.16") preparing the city for prolonged wet and humid conditions. The drop in temperatures continues and lower temperatures make the month relatively comfortable, despite the high amount of rainfall. Weather in June »Weather in July
July sustains the monsoon momentum in Luang Prabang, with continued high levels of rainfall and humidity. An insignificant temperature drop occurs - the mercury slightly descends to 31.8°C (89.2°F). Matched with prolonged daylight and a reduced volume of sunshine, the weather balance throughout July remains quite consistent with June. Weather in July »Weather in August
In August, temperatures slightly dip again and the weather begins to temper down in Luang Prabang, preparing for the transition to autumn. The city experiences the highest humidity of the year at 89%, thanks to continued heavy rainfall, consolidating August as one of the wettest months. Weather in August »Weather in September
September marks the receding phase of the monsoon season in Luang Prabang. Rainfall volume shrinks to 173mm (6.81"), easing-off the city from the heavy wet conditions prevalent during the preceding months. The humidity level drops slightly but the city continues to be enveloped in a moisture-laden ambiance. Weather in September »Weather in October
In October, Luang Prabang transitions into the post-monsoon phase. This is evident from the fall in rainfall to 126mm (4.96"), marking a sharp contrast to the preceding wet months. The drop in both daylight and sunshine hours indicate the gradual move away from the summer season. Weather in October »Weather in November
November officially flags-off the dry season in Luang Prabang. With distinct decreases in rainfall to 40mm (1.57"), and a reduction in relative humidity, the climate becomes significantly drier. Constant manageable temperatures and shorter daylight hours mark a sharp departure from the intense heat and lengthy days of summer. Weather in November »Weather in December
December sets in with a definitive winter vibe in Luang Prabang. The city records the lowest rainfall for the year with a meager 10mm (0.39"), emphasizing the dry nature of the season. Shorter days and longest nights set in with the solstice around the corner, marking the slow descent into the end of the year. Weather in December »Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 99 rainfall days, and 1443mm (56.81") of precipitation is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 8.
With an average of 7.3h of sunshine, February has the most sunshine of the year.
With an average relative humidity of 74%, March is the least humid month.
The months with the highest UV index in Luang Prabang are March through September, with an average maximum UV index of 12.
In Luang Prabang, the average highest temperatures are observed in April, with a high of 34.4°C (93.9°F) and a low of 21.4°C (70.5°F).
The month with the longest days is June, with an average of 13h and 18min of daylight.
July has the least sunshine of the year, with an average of 4.1h of sunshine.
With an average relative humidity of 89%, August is the most humid month.
The month with the most rainfall is August, when the rain falls for 19 days and typically aggregates up to 289mm (11.38") of precipitation.
December, noted for its average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 14.4°C (57.9°F), is considered the coldest month in Luang Prabang.
December is the month with the least rainfall. Rain falls for 1 days and accumulates 10mm (0.39") of precipitation.
With an average of 11h and 0min of daylight, December has the shortest days of the year.
Luang Prabang does not observe Daylight Saving Time (DST). +07 timezone is used throughout the entire year.
Average temperature
Luang Prabang, Laos
The warmest month (with the highest average high temperature) is April (34.4°C).
The month with the lowest average high temperature is December (26.3°C).
The month with the highest average low temperature is June (24.5°C).
The coldest month (with the lowest average low temperature) is January (14.2°C).
Average humidity
Luang Prabang, Laos
The month with the highest relative humidity is August (89%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Luang Prabang, Laos
- Average rainfall in January:
15.2mm - Average rainfall in February:
18.6mm - Average rainfall in March:
29.8mm - Average rainfall in April:
107.9mm - Average rainfall in May:
147.2mm - Average rainfall in June:
258.2mm
- Average rainfall in July:
228.4mm - Average rainfall in August:
288.6mm - Average rainfall in September:
172.6mm - Average rainfall in October:
126.2mm - Average rainfall in November:
40.1mm - Average rainfall in December:
10.1mm
The wettest month (with the highest rainfall) is August (288.6mm).
The driest month (with the least rainfall) is December (10.1mm).
Average rainfall days
Luang Prabang, Laos
- Average rainfall days in January:
2 days - Average rainfall days in February:
2 days - Average rainfall days in March:
3 days - Average rainfall days in April:
9 days - Average rainfall days in May:
12 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
19 days - Average rainfall days in September:
12 days - Average rainfall days in October:
6 days - Average rainfall days in November:
3 days - Average rainfall days in December:
1 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is December (1 days).
Average daylight / Average sunshine
Luang Prabang, Laos
- Average daylight in January:
11h and 6min - 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 18min
- Average daylight in July:
13h and 12min - 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:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
6h and 12min - Average sunshine in February:
7h and 18min - Average sunshine in March:
6h and 24min - Average sunshine in April:
6h and 54min - Average sunshine in May:
6h and 24min - Average sunshine in June:
4h and 30min
- Average sunshine in July:
4h and 6min - Average sunshine in August:
4h and 36min - Average sunshine in September:
6h and 0min - Average sunshine in October:
6h and 18min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 36min
The month with the most sunshine is February (Average sunshine: 7h and 18min).
The month with the least sunshine is July (Average sunshine: 4h and 6min).
Average UV index
Luang Prabang, Laos
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).
