Weather in Luang Prabang in July
Laos · 20-year averages, July
A hard month. July is a hard month in Luang Prabang, and worth planning around. You should expect rain on 24 days of the month, which is more days wet than dry.
July ranks 9 of 12 in Luang Prabang: past the worst of the year but short of December, which is the month to book if the dates are open.
Rain on 24 of the month's 31 days, 6 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Natural fibres and a second shirt for the day. At 82% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 6 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest July day reached 40 °C and the coldest night fell to 22.6 °C, and the wettest single day dropped 95 mm — roughly 43% of the month's rain in one day.
This is the volatile part. July rainfall has ranged from 74 mm to 846 mm across the twenty years measured — a 772 mm spread around an average of 219 mm. The average is real but almost no individual July looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 0.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, high enough to notice on the warm days without dominating them.
How July sits in the year
Temperatures hold steady either side: 34.2 °C in June, 32.6 here, 32.1 in August. Nothing about the timing within the month matters much. Rain has already shifted: 6 days more than June had.
Daylight in July
July is at or near the longest days of Luang Prabang's year: 13.2 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
Despite being inland, the year stays fairly even: 20.7 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
July in Luang Prabang versus nearby
If Luang Prabang is one option among several, the nearby comparison is worth making. Udon Thani is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Sa Pa is a better bet in July — 6.9 °C cooler, 1 day more rain.
So: July is a compromise. December is 52 points better and is what Luang Prabang is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Luang Prabang
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 29.3 | 15.7 | 2 | 14 | 65 | 11 | 86 |
| February | 32.2 | 18 | 1 | 6 | 58 | 11.5 | 75 |
| March | 34.7 | 20.8 | 5 | 31 | 56 | 12 | 48 |
| April | 36.2 | 23.5 | 11 | 61 | 61 | 12.6 | 40 |
| May | 35.4 | 24.5 | 18 | 121 | 70 | 13.1 | 29 |
| June | 34.2 | 24.8 | 18 | 116 | 76 | 13.3 | 35 |
| July | 32.6 | 24.4 | 24 | 219 | 82 | 13.2 | 38 |
| August | 32.1 | 24.3 | 24 | 234 | 84 | 12.8 | 38 |
| September | 32.4 | 23.8 | 19 | 127 | 81 | 12.3 | 40 |
| October | 32.4 | 22 | 10 | 55 | 75 | 11.7 | 58 |
| November | 30.8 | 18.7 | 5 | 23 | 70 | 11.2 | 75 |
| December | 28.5 | 15.5 | 2 | 12 | 68 | 10.9 | 90 |
See all twelve months in Luang Prabang, or where else to go in July.
Planning the rest of the trip
- Flight time to Luang Prabang how long you are actually in the air
- Luang Prabang time zone and the difference from home
- Days until your trip count down to the departure date