Vientiane has a tropical monsoon climate. Temperatures rise throughout the year, and it is necessary to take measures against the heat during the day. There is a rainy season from May to November and a dry season from December to April. The best season is December to February, which is relatively easy to spend in the dry season.

Vientiane Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Highest Temperature 23 24 27 29 29 28 28 28 28 27 24 22 Lowest Temperature 17 19 22 24 25 25 25 25 24 23 19 17 Precipitation 6 12 36 86 255 273 266 323 295 87 10 3 Precipitation number of days 2 2 4 9 16 19 17 19 15 6 2 0 　Singapore Highest Temperature 30 31 31 32 32 31 31 31 31 31 31 30 Lowest Temperature 23 24 24 24 25 25 24 24 24 24 24 23 Precipitation 198 154 171 141 158 140 145 143 177 167 252 304 Precipitation number of days 17 11 14 15 15 13 13 14 14 16 18 19

Laos 　Vientiane 　Pakse 　Luang Prabang 　Don Khong	The time difference of Vientiane is UTC+7 There is no daylight saving time. Local time UTC 0:00 17:00 1:00 18:00 2:00 19:00 3:00 20:00 4:00 21:00 5:00 22:00 6:00 23:00 7:00 0:00 8:00 1:00 9:00 2:00 10:00 3:00 11:00 4:00 12:00 5:00 13:00 6:00 14:00 7:00 15:00 8:00 16:00 9:00 17:00 10:00 18:00 11:00 19:00 12:00 20:00 13:00 21:00 14:00 22:00 15:00 23:00 16:00