Climate averages 1991–2020
Thanjavur weather
in December.
A hot, wet month: the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Thanjavur: daytime highs average 28.1°C and nights cool to about 21.4°C. By daytime temperature it is the coolest month of the year.
Expect about 109 mm of rain on roughly 11 days, which makes December a wet month (the 10th 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 Kumbakonam (34 km away). In December its highs average 27.8°C, about as warm as Thanjavur, with 127 mm of rain.
Among the 692 cities listed in India, Thanjavur ranks joint 181st of 692 for the warmest December highs and 676th of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Thanjavur is 2.5°C warmer than that mean.
From December to January, average highs rise by 1.1°C to 29.2°C, and monthly rainfall falls from 109 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
Thanjavur climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C20.4°C | 20.4°C | 20 | 4.0 | 11.612 h |
| February | 32.0°C21.0°C | 21.0°C | 14 | 2.8 | 11.812 h |
| March | 35.1°C23.0°C | 23.0°C | 19 | 3.3 | 12.112 h |
| April | 36.7°C25.9°C | 25.9°C | 37 | 7.2 | 12.412 h |
| May | 37.8°C27.4°C | 27.4°C | 60 | 11.1 | 12.613 h |
| June | 36.6°C27.0°C | 27.0°C | 57 | 11.5 | 12.713 h |
| July | 35.9°C26.5°C | 26.5°C | 57 | 12.3 | 12.713 h |
| August | 35.3°C26.1°C | 26.1°C | 84 | 14.7 | 12.512 h |
| September | 34.8°C25.7°C | 25.7°C | 108 | 16.2 | 12.212 h |
| October | 31.9°C24.4°C | 24.4°C | 174 | 20.3 | 11.912 h |
| November | 29.2°C22.8°C | 22.8°C | 199 | 18.2 | 11.612 h |
| December, selected | 28.1°C21.4°C | 21.4°C | 109 | 10.5 | 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
- Kumbakonam in DecemberIndia · 34 kmHigh 27.8°C · Low 21.7°C · 127 mm rain
- Pattukkottai in DecemberIndia · 45 kmHigh 28.2°C · Low 21.8°C · 118 mm rain
- Tiruchirappalli in DecemberIndia · 48 kmHigh 28.7°C · Low 21.0°C · 81 mm rain
- Pudukkottai in DecemberIndia · 57 kmHigh 28.3°C · Low 21.3°C · 93 mm rain
- Mayiladuthurai in DecemberIndia · 67 kmHigh 26.9°C · Low 23.1°C · 194 mm rain
- Nagapattinam in DecemberIndia · 77 kmHigh 26.8°C · Low 24.2°C · 201 mm rain
- Kāraikāl in DecemberIndia · 77 kmHigh 26.8°C · Low 24.2°C · 194 mm rain
- Virudhachalam in DecemberIndia · 84 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 Thanjavur) is explained once on the Thanjavur year overview and on the Sources, method and limits page.