Weather in Manali in August
India · 20-year averages, August
A hard month. August is a hard month in Manali, and worth planning around. You should expect rain on 20 days of the month, which is more days wet than dry.
August ranks 11 of 12 — near the bottom of Manali's year. January is the month that works, and the swing between the two is 55 points, which is a different holiday rather than a slightly better one.
Rain on 20 of the month's 31 days, 4 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. Pack for 33.5 °C days and 25.9 °C nights; the spread matters more here than any single number.
What the averages hide
Averages flatten a month, and this one hides a few things: 8 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest August day reached 38 °C and the coldest night fell to 23.6 °C, and the wettest single day dropped 33 mm — roughly 25% of the month's rain in one day.
August is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest August on record still delivered 222 mm against 48 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 132 mm average is a reasonable planning figure, not a promise.
Wind is light at 11.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 72%.
How August sits in the year
Temperatures hold steady either side: 34.4 °C in July, 33.5 here, 32.2 in September. Nothing about the timing within the month matters much.
Daylight in August
Manali sits close enough to the equator that daylight barely moves all year — 12.6 hours in August, against a range of just 1.5 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
Sea temperature
The sea sits at about 29 °C in August — warm enough that the water offers no relief from the heat. The sea peaks at 30.2 °C in May and bottoms out at 26.8 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
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.
August in Manali versus nearby
If Manali is one option among several, the nearby comparison is worth making. Kallakurichi is close enough to be a coin toss — within a degree on temperature, 5 days less rain. Bengaluru is a better bet in August — 5.5 °C cooler, 3 days less rain.
So: August is a compromise. January is 53 points better and is what Manali 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 Manali
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 28.5 | 21.3 | 2 | 17 | 77 | 11.4 | 26.8 | 89 |
| February | 31.3 | 22 | 1 | 6 | 71 | 11.7 | 27.3 | 79 |
| March | 34.8 | 24.2 | 2 | 15 | 66 | 12 | 28.5 | 48 |
| April | 36.4 | 26.7 | 3 | 26 | 66 | 12.4 | 29.9 | 48 |
| May | 36.7 | 28 | 7 | 55 | 65 | 12.7 | 30.2 | 44 |
| June | 35.4 | 27.2 | 13 | 68 | 64 | 12.9 | 29.8 | 39 |
| July | 34.4 | 26.4 | 18 | 108 | 67 | 12.8 | 29.2 | 34 |
| August | 33.5 | 25.9 | 20 | 132 | 72 | 12.6 | 29 | 36 |
| September | 32.2 | 25.6 | 20 | 145 | 77 | 12.2 | 29.2 | 42 |
| October | 30.7 | 25.2 | 20 | 264 | 80 | 11.9 | 29.4 | 48 |
| November | 28.9 | 23.8 | 17 | 292 | 82 | 11.5 | 28.5 | 55 |
| December | 27.9 | 22.2 | 9 | 126 | 80 | 11.4 | 27.3 | 77 |
See all twelve months in Manali, or where else to go in August.
Planning the rest of the trip
- Where to eat & stay in Manali every café, restaurant and hotel
- Flight time to Manali how long you are actually in the air
- Manali time zone and the difference from home
- Days until your trip count down to the departure date