Weather in Coimbatore in October
India · 20-year averages, October
Shoulder season. October is shoulder season in Coimbatore — cheaper, quieter, and a genuine gamble. You should expect rain on 22 days of the month, which is more days wet than dry.
October ranks 7 of 12 in Coimbatore: past the worst of the year but short of December, which is the month to book if the dates are open.
Rain on 22 of the month's 31 days, 7 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 85% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 8 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest October day reached 35.2 °C and the coldest night fell to 17.4 °C, and the wettest single day dropped 58 mm — roughly 30% of the month's rain in one day.
October is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest October on record still delivered 304 mm against 57 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 192 mm average is a reasonable planning figure, not a promise.
Wind is light at 5.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity at 85% is the real story though — it is the number that decides how the day feels, not the 29.1 °C.
How October sits in the year
Temperatures hold steady either side: 29.3 °C in September, 29.1 here, 28.2 in November. Nothing about the timing within the month matters much. Rain is the thing that moves: November brings 6 days less of it, so pushing the dates later buys drier weather.
Daylight in October
Coimbatore sits close enough to the equator that daylight barely moves all year — 11.9 hours in October, against a range of just 1.3 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
An inland climate
Despite being inland, the year stays fairly even: 18.9 °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.
October in Coimbatore versus nearby
If Coimbatore is one option among several, the nearby comparison is worth making. Tiruppur is close enough to be a coin toss — 2.4 °C warmer, 2 days less rain. Munnar is a better bet in October — 8 °C cooler, 2 days more rain.
So: October is a compromise. December is 32 points better and is what Coimbatore 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 Coimbatore
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 31.3 | 17.7 | 1 | 5 | 67 | 11.5 | 79 |
| February | 34.4 | 19.1 | 2 | 9 | 56 | 11.8 | 48 |
| March | 36.6 | 21.9 | 5 | 30 | 53 | 12.1 | 47 |
| April | 36.1 | 23.9 | 11 | 60 | 63 | 12.4 | 40 |
| May | 32.8 | 23.6 | 19 | 118 | 76 | 12.6 | 39 |
| June | 29.6 | 22.6 | 25 | 162 | 83 | 12.8 | 51 |
| July | 28.5 | 21.9 | 26 | 157 | 85 | 12.7 | 54 |
| August | 28.7 | 21.7 | 23 | 136 | 85 | 12.5 | 53 |
| September | 29.3 | 21.6 | 20 | 126 | 85 | 12.2 | 50 |
| October | 29.1 | 21.4 | 22 | 192 | 85 | 11.9 | 51 |
| November | 28.2 | 20 | 16 | 118 | 84 | 11.6 | 61 |
| December | 28.8 | 18.2 | 5 | 28 | 79 | 11.5 | 83 |
See all twelve months in Coimbatore, or where else to go in October.
Planning the rest of the trip
- Where to eat & stay in Coimbatore every café, restaurant and hotel
- Flight time to Coimbatore how long you are actually in the air
- Coimbatore time zone and the difference from home
- Days until your trip count down to the departure date