Weather in Xiagnabouli

Calculated from weather data of Wattay International Airport (VLVT) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	29.0	28.8	27.8	29.8	27.5	30.8
February	30.9	32.6	31.3	28.3	30.8	31.3
March	33.5	33.5	33.7	32.7	34.1	34.2
April	35.0	38.3	37.2	32.7	33.6	34.0
May	34.4		36.0	31.8	35.5	36.2
June	33.1		33.2	33.8	33.2	33.6
July	32.5		33.0	33.2	32.7	33.5
August	31.7		31.1	32.2	33.3	31.5
September	32.1		31.6	32.0	31.8	32.1
October	31.6		32.1	31.3	31.5	30.0
November	31.3		31.3	32.1	31.1	31.3
December	28.9		30.3	28.8	28.5	28.8
Average	32.1	33.3	32.4	31.6	31.9	32.3

4th highest temperature of Laos

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	17.1	18	15	17	14	18
February	18.3	19	18	18	17	18
March	21.5	22	20	23	22	22
April	23.7	25	25	22	24	23
May	24.9		26	24	25	25
June	25.0		25	25	25	25
July	25.1		25	25	25	25
August	24.4		25	23	25	25
September	24.3		24	24	24	25
October	23.0		24	22	24	23
November	20.3		20	21	20	20
December	16.8		18	18	15	16
Average	21.9	21.1	22.0	21.9	21.7	22.1

3rd lowest temperature of Laos

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	91	267	259	242	271
25 °C or warmer	114	355	334	353	362
20 °C or warmer	120	365	344	363	366
0 °C or colder	0	0	0	0	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.9	3	2	2	0	0
February	1.5	0	0	5	3	0
March	1.5	3	0	2	1	4
April	1.9	0	0	2	3	1
May	3.4		3	4	1	1
June	7.4		7	1	10	4
July	12.2		8	5	7	6
August	15.4		22	12	5	23
September	9.1		13	10	11	14
October	4.7		2	6	3	10
November	0.2		0	0	0	0
December	0.4		0	0	0	0
Average	4.6	1.4	4.9	4.3	3.6	5.2

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	6.8	7	8	7	7	7
February	7.3	7	7	8	7	8
March	7.0	7	8	7	6	7
April	7.2	6	7	7	7	8
May	7.0		8	7	7	7
June	6.6		7	6	7	6
July	7.2		7	7	8	6
August	6.9		6	7	7	6
September	7.1		7	8	8	7
October	6.9		7	8	8	6
November	6.3		6	6	7	6
December	6.8		7	7	7	7
Average	6.9	6.8	7.0	7.0	7.2	6.8

2nd highest wind speed of Laos

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	SE	E	E	SE	E
February	E	SE	E	SE	E
March	SE	SE	E	SE	SE
April	SW	SE	NE	S	E
May		SW	SE	W	SE
June		SW	W	SW	S
July		SW	SE	SW	E
August		SW	W	W	S
September		E	NE	E	NE
October		E	E	NE	N
November		E	E	E	N
December		E	SE	NE	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Xiagnabouli weather Q&A

What is the warmest month in Xiagnabouli?

The warmest month is April with an average temperature of 35 °C over the past years.

What is the coldest month in Xiagnabouli?

The coldest month is December with an average daytime temperature of 29 °C in the past few years.

Which month is the wettest in Xiagnabouli?

Chance of precipitation is the highest in August with a probability of around 15.5 %.

Which month is the driest in Xiagnabouli?

The least rainfall and snow can be expected in November. The probability is about 0.2 %.