Climate and monthly weather forecastBan Nagnôm, Laos
Climate and monthly weather forecast
The climate of Ban Nagnôm
Ban Nagnôm, Laos, is characterized by a Tropical monsoon climate, or "Am" according to the Köppen climate classification. Geographically positioned in Southeast Asia, this location experiences distinctive wet and dry seasons, and a consistent temperature pattern round the year.Throughout the year, average high temperatures lie around 29.5°C (85.1°F) to 35°C (95°F) and average low temperatures range from 16.5°C (61.7°F) to 23.6°C (74.5°F). There is a consistent level of warmth, even during the cooler months, which makes the climate comfortable. Humidity levels are generally high, peaking at 89% in August. Rainfall shows significant variation, with the dry season from January to April recording 4mm (0.16") to 48mm (1.89") of rain per month, while the monsoon season from May to October experiences heavy rainfall, up to 282mm (11.1") in August. The number of rainfall days follows a similar pattern, increasing significantly during the monsoon period.
An interesting feature of this climate includes the sunlight hours, which remain relatively stable throughout the year, ranging from 6 to 11 hours per day. While sunlight hours are constant, the number of sunshine days differs greatly: 2.8 days in August versus a high of 24.5 days in February. This disparity is primarily due to the rainy monsoon months that bring cloud cover and reduced sunshine.
The best time to visit Ban Nagnôm
Considering the weather conditions detailed above, the period between November and February can be deemed as the best time to visit Ban Nagnôm. During these months, rainfall is minimal, with averages ranging from 4mm (0.16") to 15mm (0.59") per month, which corresponds to only 7.6 rainfall days in November and a mere 3.5 days in December. Concurrently, the weather remains comfortable with average high temperatures between 27.2°C (81°F) and 31.3°C (88.3°F) and average low temperatures from 16.5°C (61.7°F) to 20.8°C (69.4°F).The worst time to visit Ban Nagnôm
Conversely, the period between May and September constitutes the monsoon season, making it a less than optimal time for a visit. During these months, this region experiences its heaviest rainfall, peaking at 282mm (11.1") in August. Correspondingly, it has the highest number of rainy days, reaching up to 27.1 days in August. August also represents the month with the highest relative humidity at 89%.Spring weather in Ban Nagnôm
Spring in Ban Nagnôm, which spans the months of March to May, is marked by a gradual increase in temperatures. The average high temperature climbs from 34.1°C (93.4°F) in March to 35°C (95°F) in April and slightly drops to 33.8°C (92.8°F) in May. Meanwhile, the average low temperature rises from 20.8°C (69.4°F) in March to 23.6°C (74.5°F) in May. The volume of rainfall also starts escalating during this time, from 20mm (0.79") in March to 116mm (4.57") in May.Summer weather in Ban Nagnôm
The summer months, which last from June to August, witnesses the peak of the monsoon season. Average high temperatures remain high, hovering between 31.3°C (88.3°F) and 29.3°C (84.7°F); the average low temperature ranges between 22.8°C (73°F) and 23.3°C (73.9°F). Rainfall reaches its apex in August with 282mm (11.1") over 27.1 days. This period also has the period's highest humidity level, maxing out at 89% in August.Autumn weather in Ban Nagnôm
Autumn in Ban Nagnôm is recorded from September to November. During this season, the climate begins to transition as the monsoon recedes. The average high temperatures vary from 30.9°C (87.6°F) to 29.5°C (85.1°F), while average low temperatures drop slightly from 21.9°C (71.4°F) to 19.7°C (67.5°F). Rainfall significantly declines during these months, from 192mm (7.56") in September to 15mm (0.59") in November.Winter weather in Ban Nagnôm
Winter, extending from December to February, is the driest period in Ban Nagnôm. The average high temperatures float between 27.2°C (81°F) and 31.3°C (88.3°F), while the average low temperature from 17.2°C (63°F) in December goes up to 17.8°C (64°F) in February. Consistently low rainfall ranging from 4mm (0.16") to 6mm (0.24") and fewer rainy days make these months the most suitable time for outdoor activities.Weather in January
The year in Ban Nagnôm, Laos commences with a relatively dry and cool atmosphere. The fluctuating temperature from 16.5°C (61.7°F) to 27.8°C (82°F), albeit not very cold, offers a pleasant start. After the cold December, the surrounding humidity gets down to 75%. Weather in January »Weather in February
The last month of the winter, February, is a tropical month in Ban Nagnôm, Laos, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 17.8°C (64°F). The onset of February introduces a subtle rise in the average high-temperature, nudging from a warm 27.8°C (82°F) in January to a hot 31.3°C (88.3°F). Weather in February »Weather in March
March, the first month of the spring in Ban Nagnôm, is still a hot month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 34.1°C (93.4°F). Ban Nagnôm notes an average high-temperature of a still tropical 34.1°C (93.4°F) in March, displaying minor variation from February. Weather in March »Weather in April
Summer sets in Ban Nagnôm by April and temperatures become the hottest across the year, reaching up to 35°C (95°F). As a result, it invites rainfall for cooling relief with an increase from 20mm (0.79") in March to a significant 48mm (1.89"). Weather in April »Weather in May
With May, the intensity of summer is at its peak in Ban Nagnôm. The sky becomes cloudier, holding back some sunshine, nevertheless, the days continue to lengthen, heating up the atmosphere. The humidity escalates, causing a distinct increase in rainfall, which now measures 116mm (4.57"), almost thrice the amount in April. Weather in May »Weather in June
As June arrives, the region transitions into a notable wet season in Ban Nagnôm. The maximum temperature starts to fall while the lowest temperature continues to remain high contributing to the sultry weather. The time of daylight extends to its longest duration throughout the year, while cloudiness escalates, leading to lesser direct sunshine hours per day. Weather in June »Weather in July
July in Ban Nagnôm, Laos is characterized by high rainfall of 246mm (9.69"), making it the wettest month of the year. Since the monsoon gets entrenched, the temperatures begin to drop down moderately compared to June. The reducing daylight hours, combined with a 68% chance of clouds overhead, results in fewer sunlit hours in the day. Weather in July »Weather in August
Even as August starts, Ban Nagnôm continues to be under the spell of the monsoon. Though the rainfall continues on a higher side, it does not significantly surpass the previous month's share. Temperature ranges remain almost the same, which signifies a continuity of the sultry climate. Weather in August »Weather in September
September brings about a slight break in monsoon season in Ban Nagnôm, as rainfall starts to recede. Simultaneously, the temperature, cloudiness, and humidity remain stable compared to August, leading to sultry weather conditions prevailing. Weather in September »Weather in October
In October, Ban Nagnôm, Laos starts bidding farewell to the heavy rainfall. Most of the monsoon clouds have dispersed, leaving smaller rain showers in its wake. Correspondingly, the decrease in humidity and average monthly rainfall to 59mm (2.32") gives the first signs of the dry season. Weather in October »Weather in November
Ban Nagnôm welcomes November with a significantly drier landscape. The deference from October is clearly visible with further declines in both rainfall and temperature. The depletion of humidity to 79% from the year's high values coincides with a continuing drop in rainfall to 15mm (0.59"). Weather in November »Weather in December
December marks the advent of the colder period in Ban Nagnôm. The minimal rainfall and lowering temperature from November indicate a significant shift towards a cooler season. The days also start becoming shorter as the year heads towards its close. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Ban Nagnôm, Laos
The warmest month (with the highest average high temperature) is April (35°C).
The month with the lowest average high temperature is December (27.2°C).
The month with the highest average low temperature is May (23.6°C).
The coldest month (with the lowest average low temperature) is January (16.5°C).
Average pressure
Ban Nagnôm, Laos
- Average pressure in January:
1015.5mbar - Average pressure in February:
1013.9mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1007.7mbar - Average pressure in June:
1006mbar
- Average pressure in July:
1005.8mbar - Average pressure in August:
1006.1mbar - Average pressure in September:
1007.9mbar - Average pressure in October:
1011.2mbar - Average pressure in November:
1013.1mbar - Average pressure in December:
1015.1mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is July (1005.8mbar).
Average wind speed
Ban Nagnôm, Laos
- Average wind speed in January:
8.7km/h - Average wind speed in February:
8.1km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.2km/h - Average wind speed in May:
5km/h - Average wind speed in June:
5.8km/h
- Average wind speed in July:
5.5km/h - Average wind speed in August:
5.1km/h - Average wind speed in September:
5km/h - Average wind speed in October:
7km/h - Average wind speed in November:
8.3km/h - Average wind speed in December:
9.2km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest months (with the lowest average wind speed) are May and September (5km/h).
Average humidity
Ban Nagnôm, Laos
The month with the highest relative humidity is August (89%).
The month with the lowest relative humidity is March (62%).
Average rainfall
Ban Nagnôm, Laos
The wettest month (with the highest rainfall) is August (282mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days
Ban Nagnôm, Laos
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
23.7 days - Average rainfall days in June:
25.3 days
- Average rainfall days in July:
26.9 days - Average rainfall days in August:
27.1 days - Average rainfall days in September:
22.9 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is August (27.1 days).
The month with the least rainy days is February (2.7 days).
Average daylight / Average sunshine
Ban Nagnôm, Laos
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 54min - Average daylight in June:
13h and 6min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 6min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in January:
6h and 42min - Average sunshine in February:
7h and 54min - Average sunshine in March:
9h and 54min - Average sunshine in April:
11h and 0min - Average sunshine in May:
9h and 36min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
6h and 6min - Average sunshine in August:
6h and 6min - Average sunshine in September:
7h and 30min - Average sunshine in October:
7h and 54min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 36min
The month with the most sunshine is April (Average sunshine: 11h and 0min).
The months with the least sunshine are July and August (Average sunshine: 6h and 6min).
Average sunshine days
Ban Nagnôm, Laos
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
24.5 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
5.2 days - Average sunshine days in June:
2.9 days
- Average sunshine days in July:
3 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
5.8 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
23.1 days
The month with the most sunshine days is February (24.5 days).
The month with the least sunshine days is August (2.8 days).
Average UV index
Ban Nagnôm, Laos
The months with the highest UV index are February, March, April and May (UV index 7).
The month with the lowest UV index is December (UV index 5).
Average cloud cover
Ban Nagnôm, Laos
The month with the most cloud cover is August (Cloud cover 69).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility
Ban Nagnôm, Laos
The month with the highest visibility is March (10km).
The months with the lowest visibility are July and August (6km).





