Climate and monthly weather forecast
Muang Saiapoun, Laos

Climate and monthly weather forecast

The climate of Muang Saiapoun

Muang Saiapoun, Laos, is under the influence of an Aw climate according to the Köppen climate classification. This classification describes a tropical savanna climate with wet and dry seasons. Nestled in the tropics, the town experiences warm to hot temperatures round-the-year, with a significant contrast between rainfall quantities in the dry and wet months.

Notwithstanding the uniformity in temperature, the town still, presents a distinct wet and dry seasonal pattern in precipitation. Variations in monthly average high and low temperatures are minimal, never falling below 20.7°C (69.3°F) nor surpassing 36.3°C (97.3°F). Monthly average high temperatures range from 27.9°C (82.2°F) to 36.3°C (97.3°F), while the average lows fluctuate between 13.5°C (56.3°F) and 23.2°C (73.8°F) throughout the year.

Further, humidity as well displays seasonal changes. The town faces a high relative humidity regime, moving between 47% and 87% in a given year. Substantial rainfall is observed from May till September with a peak in August with 199mm (7.83"). The lowest rainfall comes full circle at 3mm (0.12") in February. The sun shines for approximately 7.4 hours to 10.4 hours per day, with a slight increase during the dry season.

The best time to visit Muang Saiapoun

The best time for a visit to Muang Saiapoun proves to be during the dry season, which spans from November to March. During this period, rainfall is scarce, fluctuating between 3mm (0.12") and 27mm (1.06"), providing abundant opportunities for outdoor exploration. In addition, average daily sunshine hours are relatively high, ranging from 7.2 hours to 7.9 hours, offering longer daylight periods for sightseeing.

The worst time to visit Muang Saiapoun

Visitors are advised to avoid the town from May till September — the monsoon season. Monthly rainfall reaches its highest from 88mm (3.46") to 199mm (7.83"), thus limiting outdoor activities significantly. Furthermore, relative humidity also increases during these months, peaking at 87%, resulting in clammy and uncomfortable conditions.

Spring weather in Muang Saiapoun

Spring in Muang Saiapoun, observed from March through May, is characterized by incrementally heating temperatures and the onset of the rainy season. The monthly average high temperatures swerve from 35.1°C (95.2°F) to 34.1°C (93.4°F) and with low quantities of rainfall in the beginning.

Summer weather in Muang Saiapoun

Summer weather in Muang Saiapoun, from June to August, brings the peak of the wet season. High temperatures moderate slightly, with highs ranging from 29.8°C (85.6°F) to 31.3°C (88.3°F). There is a surge in rainfall with quantities peaking in August, reaching as high as 199mm (7.83").

Autumn weather in Muang Saiapoun

Autumn seasons from September to November, witnesses a transition from the wet season to the dry season. Despite this, a significant decrease in rainfall levels and a slight cooling in temperatures is observed, with monthly highs ranging from 27.8°C (82°F) to 30.7°C (87.3°F).

Winter weather in Muang Saiapoun

Muang Saiapoun experiences a warm and dry winter from December to February. Temperatures during this period are less severe with monthly lows oscillating between 13.5°C (56.3°F) to 16.5°C (61.7°F), and highs from 27.9°C (82.2°F) to 32.8°C (91°F). The precipitation levels are lowest in the year, making it the ideal season for tourists.

Weather in January

In comparison with December’s chill, January in Muang Saiapoun, Laos brings a noticeable increase in temperature with a rise from 13.5°C (56.3°F) to 13.8°C (56.8°F). The city enjoys an average of 11.2 daylight hours, providing sufficient sunlight for various outdoor activities. Weather in January »

Weather in February

Moving on to February, the conditions in Muang Saiapoun become drier with rainfall dropping sharply from 10mm (0.39") in January down to 3mm (0.12"), making it the driest month of the year. Pleasant temperatures, longer daylight hours, and an increased amount of sunshine make it an ideal month for sightseeing and exploring the city's cultural attractions. Weather in February »

Weather in March

March marks the transition from the pleasantly warm weather of February to a much hotter climate in Muang Saiapoun, with temperatures peaking at an average high of 35.1°C (95.2°F). It is characterized by a significant increase in rainfall, from 3mm (0.12") in the previous month to 20mm (0.79"), hinting at the onset of the wet season. Weather in March »

Weather in April

The weather in the city of Muang Saiapoun in April shifts into full-blown summer, followed by increased rainfall. Daylight hours extend to their longest at 12.6 hours, offering ample time for residents to maximize their daily activities. Weather in April »

Weather in May

May in Muang Saiapoun signifies the peak of the wet season, with the highest rainfall amount of 127mm (5"), suggesting the need for rainwear throughout the month. This period sees a decrease in the average high temperature and a rise in relative humidity, making the atmosphere moderately heavy and warm. Weather in May »

Weather in June

As we transition from May to June, Muang Saiapoun experiences slight changes in weather conditions with a small dip in average high temperatures but a slight rise in lows. June sees similar rainfall levels as May, maintaining the consistency of the wet season. Weather in June »

Weather in July

July's weather continues to echo the preceding months' patterns, with a decline in average temperatures from 31.3°C (88.3°F) to 29.8°C (85.6°F), providing a subtle escape from June's heat. The city witnesses a further increase in relative humidity, setting a higher bar for rainfall amounts. Weather in July »

Weather in August

August registers as the month with the highest rainfall in Muang Saiapoun, clocking in at 199mm (7.83"). Temperatures remain consistent with those in July, with minimal temperature variations towards the end of the month. The high humidity and rainfall create a drizzly ambiance throughout the city, adding a touch of tranquility. Weather in August »

Weather in September

In September, Muang Saiapoun experiences a considerable drop in rainfall from 199mm (7.83") in August to 88mm (3.46"), indicating a gradual escape from the wet season. Sunshine hours, though reduced compared to the start of the year, remain fairly consistent, thus maintaining warmer temperatures. Weather in September »

Weather in October

October in Muang Saiapoun marks the farewell of heavy rainfall with a significant drop to 49mm (1.93"), paving the way for the dry season. Despite lower rainfall, cloud cover persists, with an average value of 46%, providing a pleasant blend of sun and shade. Weather in October »

Weather in November

In November, Muang Saiapoun greets the clear blue skies and cool temperatures of the dry season. Conditions become considerably more pleasant and comfortable compared to earlier months. November hails a significant temperature drop from an average high of 30.5°C (86.9°F) in October to 30°C (86°F). Weather in November »

Weather in December

December is characterized by chilly temperatures that feel the heat from 30°C (86°F) fall to 27.8°C (82°F) on average. The weather conditions suggest the peak of the dry season with a sharp decline in rainfall to 11mm (0.43"). Weather in December »

Frequently asked questions

How many days does it rain in Muang Saiapoun?
Throughout the year, there are 183.9 rainfall days, and 818mm (32.2") of precipitation is accumulated.
What is the driest month in Muang Saiapoun?
February is the month with the least rainfall in Muang Saiapoun. Rain falls for 2.6 days and accumulates 3mm (0.12") of precipitation.
What is the month with the highest UV index in Muang Saiapoun?
February through May and September, with an average maximum UV index of 7, are months with the highest UV index in Muang Saiapoun, Laos.
What is the least humid month in Muang Saiapoun?
The least humid month in Muang Saiapoun is March, with an average relative humidity of 47%.
What is the hottest time of year in Muang Saiapoun?
In Muang Saiapoun, the average highest temperatures are observed in April, with a high of 36.3°C (97.3°F) and a low of 23.2°C (73.8°F).
What month has the most sunshine in Muang Saiapoun?
The month with the most sunshine in Muang Saiapoun, Laos, is April, with an average of 10.4h of sunshine.
When are the longest days in Muang Saiapoun?
June has the longest days of the year, with an average of 13h and 12min of daylight.
What is the most humid month in Muang Saiapoun?
August is the most humid month in Muang Saiapoun, with an average relative humidity of 87%.
What is the wettest month in Muang Saiapoun?
August is the month with the most rainfall in Muang Saiapoun, Laos. Rain falls for 23.7 days and accumulates 199mm (7.83") of precipitation.
What is the month with the least sunshine in Muang Saiapoun?
The month with the least sunshine in Muang Saiapoun is October, with an average of 6.9h of sunshine.
What is the coldest month in Muang Saiapoun?
Muang Saiapoun's coldest month, December, generally records average temperatures ranging from a high of 27.8°C (82°F) to a low of 13.5°C (56.3°F).
What is the month with the shortest days in Muang Saiapoun?
December has the shortest days of the year, with an average of 11h and 0min of daylight.
Is there Daylight Saving Time (DST) in Muang Saiapoun?
Muang Saiapoun, Laos, does not utilize Daylight Saving Time (DST). +07 timezone is used over the entire year.
When is the lowest UV index in Muang Saiapoun?
With an average maximum UV index of 5, December is the month with the lowest UV index in Muang Saiapoun.
Average temperature
Muang Saiapoun, Laos

The warmest month (with the highest average high temperature) is April (36.3°C).
The month with the lowest average high temperature is December (27.8°C).

The month with the highest average low temperature is April (23.2°C).
The coldest month (with the lowest average low temperature) is December (13.5°C).

Average pressure
Muang Saiapoun, Laos

The month with the highest atmospheric pressure is December (1014.4mbar).
The month with the lowest atmospheric pressure is July (1005.8mbar).

Average wind speed
Muang Saiapoun, Laos

The windiest month (with the highest average wind speed) is March (4.8km/h).
The calmest months (with the lowest average wind speed) are October and November (3.4km/h).

Average humidity
Muang Saiapoun, Laos

The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is March (47%).

Average rainfall
Muang Saiapoun, Laos

The wettest month (with the highest rainfall) is August (199mm).
The driest month (with the least rainfall) is February (3mm).

Average rainfall days
Muang Saiapoun, Laos

The month with the highest number of rainy days is May (25.1 days).
The month with the least rainy days is February (2.6 days).

Average daylight / Average sunshine
Muang Saiapoun, Laos

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

The month with the most sunshine is April (Average sunshine: 10h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 54min).

Average sunshine days
Muang Saiapoun, Laos

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is May (4.3 days).

Average UV index
Muang Saiapoun, Laos

The months with the highest UV index are February, March, April, May and September (UV index 7).
The month with the lowest UV index is December (UV index 5).

Average visibility
Muang Saiapoun, Laos

The months with the highest visibility are February, March and April (10km).
The months with the lowest visibility are July, August, September, October and November (7km).

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