Climate averages 1991–2020
Kollam weather
in December.
A hot, moderately wet month: the 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Kollam: daytime highs average 29.7°C and nights cool to about 23.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 64 mm of rain on roughly 9 days, which makes December a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 37 min on an average December day.
The nearest other city in this atlas is Thiruvananthapuram (60 km away). In December its highs average 28.5°C, 1.2°C cooler than Kollam, with 82 mm of rain.
Among the 692 cities listed in India, Kollam ranks joint 40th of 692 for the warmest December highs and joint 637th of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Kollam is 4.1°C warmer than that mean.
From December to January, average highs rise by 1.2°C to 30.9°C, and monthly rainfall falls from 64 mm to 20 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Thiruvananthapuram in DecemberIndia · 60 kmHigh 28.5°C · Low 23.3°C · 82 mm rain
- Alappuzha in DecemberIndia · 73 kmHigh 29.2°C · Low 23.4°C · 64 mm rain
- Neyyāttinkara in DecemberIndia · 77 kmHigh 28.8°C · Low 22.8°C · 82 mm rain
- Thenkasi in DecemberIndia · 81 kmHigh 28.7°C · Low 20.4°C · 74 mm rain
- Kadayanallur in DecemberIndia · 86 kmHigh 29.1°C · Low 20.5°C · 74 mm rain
- Nāgercoil in DecemberIndia · 122 kmHigh 29.1°C · Low 23.1°C · 72 mm rain
- Tirunelveli in DecemberIndia · 122 kmHigh 28.7°C · Low 21.3°C · 125 mm rain
- Rajapalayam in DecemberIndia · 124 kmHigh 28.2°C · Low 20.6°C · 107 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.