Climate averages 1991–2020
Kollam weather
in October.
A hot, very wet month: the 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Kollam: daytime highs average 28.4°C and nights cool to about 24.2°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 251 mm of rain on roughly 27 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average October day.
The nearest other city in this atlas is Thiruvananthapuram (60 km away). In October its highs average 27.7°C, 0.8°C cooler than Kollam, with 295 mm of rain.
Among the 692 cities listed in India, Kollam ranks joint 632nd of 692 for the warmest October highs and 677th of 692 for the driest October (rainfall, lowest first). The mean October high of those 692 cities is 30.6°C; Kollam is 2.2°C cooler than that mean.
From October to November, average highs rise by 0.4°C to 28.8°C, and monthly rainfall falls from 251 mm to 178 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Kollam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.9°C23.5°C | 23.5°C | 20 | 4.2 | 11.712 h |
| February | 31.7°C24.0°C | 24.0°C | 25 | 6.6 | 11.812 h |
| March | 32.0°C25.0°C | 25.0°C | 67 | 16.4 | 12.112 h |
| April | 31.2°C25.7°C | 25.7°C | 156 | 26.5 | 12.312 h |
| May | 29.9°C25.7°C | 25.7°C | 302 | 28.4 | 12.513 h |
| June | 28.1°C24.8°C | 24.8°C | 414 | 29.9 | 12.613 h |
| July | 27.6°C24.3°C | 24.3°C | 355 | 30.0 | 12.613 h |
| August | 27.6°C24.2°C | 24.2°C | 286 | 28.9 | 12.412 h |
| September | 28.1°C24.3°C | 24.3°C | 245 | 26.6 | 12.212 h |
| October, selected | 28.4°C24.2°C | 24.2°C | 251 | 27.1 | 11.912 h |
| November | 28.8°C24.1°C | 24.1°C | 178 | 20.7 | 11.712 h |
| December | 29.7°C23.7°C | 23.7°C | 64 | 8.7 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Thiruvananthapuram in OctoberIndia · 60 kmHigh 27.7°C · Low 23.9°C · 295 mm rain
- Alappuzha in OctoberIndia · 73 kmHigh 28.5°C · Low 24.0°C · 261 mm rain
- Neyyāttinkara in OctoberIndia · 77 kmHigh 28.0°C · Low 23.9°C · 295 mm rain
- Thenkasi in OctoberIndia · 81 kmHigh 29.7°C · Low 22.1°C · 211 mm rain
- Kadayanallur in OctoberIndia · 86 kmHigh 30.2°C · Low 22.3°C · 211 mm rain
- Nāgercoil in OctoberIndia · 122 kmHigh 29.2°C · Low 24.3°C · 171 mm rain
- Tirunelveli in OctoberIndia · 122 kmHigh 32.5°C · Low 23.8°C · 189 mm rain
- Rajapalayam in OctoberIndia · 124 kmHigh 31.7°C · Low 23.1°C · 231 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kollam) is explained once on the Kollam year overview and on the Sources, method and limits page.