Climate averages 1991–2020
Tiruchirappalli weather
in December.
A hot, moderately wet month: the coolest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Tiruchirappalli: daytime highs average 28.7°C and nights cool to about 21.0°C. By daytime temperature it is the coolest month of the year.
Expect about 81 mm of rain on roughly 8 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 30 min on an average December day.
The nearest other city in this atlas is Thanjavur (48 km away). In December its highs average 28.1°C, 0.6°C cooler than Tiruchirappalli, with 109 mm of rain.
Among the 692 cities listed in India, Tiruchirappalli ranks joint 124th of 692 for the warmest December highs and joint 652nd of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Tiruchirappalli is 3.1°C warmer than that mean.
From December to January, average highs rise by 1.4°C to 30.1°C, and monthly rainfall falls from 81 mm to 12 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
Tiruchirappalli climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C20.1°C | 20.1°C | 12 | 2.5 | 11.612 h |
| February | 33.1°C21.1°C | 21.1°C | 9.9 | 2.0 | 11.812 h |
| March | 36.2°C23.2°C | 23.2°C | 17 | 3.1 | 12.112 h |
| April | 37.7°C25.9°C | 25.9°C | 37 | 6.6 | 12.412 h |
| May | 38.3°C27.2°C | 27.2°C | 53 | 10.4 | 12.613 h |
| June | 36.7°C26.6°C | 26.6°C | 47 | 9.5 | 12.713 h |
| July | 35.8°C26.0°C | 26.0°C | 42 | 9.2 | 12.713 h |
| August | 35.5°C25.6°C | 25.6°C | 66 | 11.4 | 12.512 h |
| September | 35.2°C25.4°C | 25.4°C | 94 | 14.0 | 12.212 h |
| October | 32.3°C24.2°C | 24.2°C | 159 | 18.8 | 11.912 h |
| November | 29.6°C22.5°C | 22.5°C | 176 | 15.9 | 11.612 h |
| December, selected | 28.7°C21.0°C | 21.0°C | 81 | 8.2 | 11.512 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
- Thanjavur in DecemberIndia · 48 kmHigh 28.1°C · Low 21.4°C · 109 mm rain
- Pudukkottai in DecemberIndia · 50 kmHigh 28.3°C · Low 21.3°C · 93 mm rain
- Karur in DecemberIndia · 69 kmHigh 29.3°C · Low 20.7°C · 53 mm rain
- Kumbakonam in DecemberIndia · 78 kmHigh 27.8°C · Low 21.7°C · 127 mm rain
- Pattukkottai in DecemberIndia · 81 kmHigh 28.2°C · Low 21.8°C · 118 mm rain
- Kāraikkudi in DecemberIndia · 84 kmHigh 28.3°C · Low 21.4°C · 104 mm rain
- Dindigul in DecemberIndia · 93 kmHigh 27.5°C · Low 20.2°C · 101 mm rain
- Virudhachalam in DecemberIndia · 104 kmHigh 28.1°C · Low 21.0°C · 99 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 Tiruchirappalli) is explained once on the Tiruchirappalli year overview and on the Sources, method and limits page.