Climate and monthly weather forecastBan Keun, Laos

The climate of Ban Keun

Typifying the characteristics of the Köppen climate classification Aw, Ban Keun, Laos is primarily governed by a tropical wet and dry climate, alternatively referred to as a savanna climate. With a noteworthy variance in rainfall during dry and wet seasons, this locale reveals seasonal variation in temperature, humidity, and daylight hours.

The temperature ranges from 10.9°C (51.6°F) during the coldest months to a high of 32.9°C (91.2°F) during the hottest months. Meanwhile, relative humidity varies from 48% up to 90%, in coordination with monthly rainfall that swings between 4mm (0.16") and 260mm (10.24"). Ban Keun also experiences a change in daylight hours throughout the year, fluctuating from 11 hours to 13.2 hours.

Stark contrasts in weather conditions are discernible particularly in the realm of rainfall. Aforementioned, the wettest month records a substantial 260mm (10.24") of rain while the driest month accrues merely 4mm (0.16") of rainfall. This significant variance in precipitation patterns characterizes the savanna climate of Ban Keun. Furthermore, temperatures rise to their peak in the middle of the year, notably synchronous to the rainy season.

The best time to visit Ban Keun

The optimal periods for a visit to Ban Keun are largely contingent on a visitor's preference for specific weather conditions. Those seeking high temperatures and plenty of sunshine hours should consider March and April, when temperatures climb to a high of 31.8°C (89.2°F) to 32.9°C (91.2°F) with sunshine lasting from 9.5 hours to 10.6 hours. Meanwhile, visitors desiring less humidity and lower daily rainfall could aim for February, when humidity is relatively lower at 59% and daily rainfall averages 4mm (0.16") only.

The worst time to visit Ban Keun

The least favourable time for a visit is likely during the peak wet months of July and August when monthly rainfall reaches 201mm (7.91") to 260mm (10.24"). Humidity similarly peaks during these months, rising up to 90%. Moreover, temperatures may still remain high, oscillating between 27.2°C (81°F) to 27.7°C (81.9°F), which coupled with the high humidity levels, can contribute to discomfort.

Spring weather in Ban Keun

Spring in Ban Keun, from March to May, experiences a surge in temperatures, ascending from 25.3°C (77.5°F) to a high of 31.3°C (88.3°F). Less pronounced but still noteworthy, rainfall increases too, going from 24mm (0.94") in March to 107mm (4.21") in May. It's a period of escalating humidity as well, with levels mounting from 48% in March to 72% by the end of May.

Summer weather in Ban Keun

The summer months of June to August present Ban Keun under rainfall-heavy conditions, with precipitation topping at 260mm (10.24") in August. Coupled with sustained high temperatures between 28.6°C (83.5°F) to 27.7°C (81.9°F), and hiking humidity levels up to 90%, these months define the wet season in Ban Keun. Daily daylight hours remain high, from 13.2 hours to 12.7 hours throughout this period.

Autumn weather in Ban Keun

Autumn, from September to November, sees a gradual subsidence in rainfall, diminishing from 131mm (5.16") to 35mm (1.38"). In congruence, humidity levels also recede, going down from 85% to 78%. Average temperature maintains in the high twenties, shifting from 28.9°C (84°F) to 27.4°C (81.3°F).

Winter weather in Ban Keun

Winter months in Ban Keun, December to February, are dryer and cooler with temperatures veering between 25.2°C (77.4°F) to 29.1°C (84.4°F). Rainfall dwindles to 22mm (0.87") in December and as low as 4mm (0.16") in February. Humidity levels are generally lower, fluctuating between 74% and 59%.
With regard to daylight hours, they are on a declining trend, dropping from 11.3 hours in December to 11.5 hours by February.

Weather in January

The fresh start to the year in Ban Keun, Laos, delivers a moderate climate with temperatures mildly on the cooler side. Those who prefer calm winds will welcome the city's weather conditions in January, seeing average wind speeds of 3.8km/h (2.4mph) and gusts reaching only up to 6.5km/h (4mph). Weather in January »

Weather in February

In Ban Keun, February brings subtle changes from the January climate. Following a drop in humidity levels, February presents drier weather, making it favorable for those who appreciate less humid conditions. February marks a phase of transition, with slowly increasing temperatures marking the onset of warmer months ahead. Weather in February »

Weather in March

As March arrives in Ban Keun, a notable rise in temperature compared to February denotes the arrival of warmer months. Weather conditions in March are characterized by increased rainfall from 4mm (0.16") in February to 20mm (0.79"), signaling a shift towards more humid conditions. Weather in March »

Weather in April

April showcases the warmest weather of the year in Ban Keun, making it the perfect time for those who enjoy high temperatures. The mercury readings rise sharply from the previous month, resulting in sultrier conditions. This month experiences an uptick in rainfall with the city receiving more drenching downpours compared to March. Weather in April »

Weather in May

In May, Ban Keun’s weather takes a shift towards a wetter climate, while a small decrease in temperatures curbs the heat from April. The city witnesses a more pronounced increase in precipitation, with rain reaching 107mm (4.21"). Weather in May »

Weather in June

June ushers in the peak of the rainy season in Ban Keun. Despite this season's reputation, it does not hamper the vibrant and lively atmosphere within the city. Rainfall hits its peak at 133mm (5.24"), yet, temperatures remain reasonably high, creating a warm, humid climate. Weather in June »

Weather in July

July reinforces the wet season in Ban Keun, holding the record as the month with the highest rainfall. The showers further tighten their grip on the city, reaching an exceptional 201mm (7.91"), creating humid and damp conditions. Despite the significant increase in rain, the temperatures maintain a moderate scale, keeping the climate on the warmer side. Weather in July »

Weather in August

The weather in Ban Keun in August continues the wet season's legacy with still high levels of rainfall. While precipitation slightly decreases from July's pinnacle, rainfall remains substantial at 260mm (10.24"). This period preserves the city's warm temperatures despite the abundant showers, maintaining a steady climate. Weather in August »

Weather in September

September welcomes a welcomed respite from the heavy rains, marking the beginning of Ban Keun’s transition from the wet to the dry season. Rainfall comes down to half, from 260mm (10.24") to 131mm (5.16"), indicating a significant decrease in precipitation. Weather in September »

Weather in October

October in Ban Keun leans decisively towards drier weather conditions. The significant drop in rainfall from the previous month marks the definitive cessation of the wet season. While October retains warm temperatures witnessed in previous months, it brings increased visibility and less cloud coverage. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Ban Keun, Laos, with an average temperature varying between 14°C (57.2°F) and 27.4°C (81.3°F). With November's arrival, Ban Keun's weather records an average high-temperature of a still warm 27.4°C (81.3°F), marking little difference from October's 28.8°C (83.8°F). Weather in November »

Weather in December

December showcases a definite shift to cooler and less humid conditions in Ban Keun. The month welcomes chillier nights, while the days maintain comfortable warmth. As the year approaches its close, December characteristically furnishes an agreeable climate, suitable for both indoor and outdoor activities. Weather in December »