Climate averages 1991–2020
Nagapattinam weather
in December.
A warm, very 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 warm month in Nagapattinam: daytime highs average 26.8°C and nights cool to about 24.2°C. By daytime temperature it is the coolest month of the year.
Expect about 201 mm of rain on roughly 15 days, which makes December a very 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 Kāraikāl (17 km away). In December its highs average 26.8°C, about as warm as Nagapattinam, with 194 mm of rain.
Among the 692 cities listed in India, Nagapattinam ranks joint 297th of 692 for the warmest December highs and 692nd of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Nagapattinam is 1.2°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 26.9°C, and monthly rainfall falls from 201 mm to 39 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
Nagapattinam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C23.9°C | 23.9°C | 39 | 6.4 | 11.612 h |
| February | 28.1°C24.3°C | 24.3°C | 19 | 3.5 | 11.812 h |
| March | 30.0°C25.5°C | 25.5°C | 22 | 3.2 | 12.112 h |
| April | 31.7°C27.3°C | 27.3°C | 36 | 6.6 | 12.412 h |
| May | 33.0°C28.2°C | 28.2°C | 44 | 6.1 | 12.613 h |
| June | 33.0°C27.9°C | 27.9°C | 37 | 7.9 | 12.713 h |
| July | 32.8°C27.5°C | 27.5°C | 41 | 10.6 | 12.713 h |
| August | 32.2°C27.0°C | 27.0°C | 60 | 12.9 | 12.512 h |
| September | 31.7°C26.8°C | 26.8°C | 80 | 15.6 | 12.212 h |
| October | 29.9°C25.7°C | 25.7°C | 207 | 20.8 | 11.912 h |
| November | 27.7°C24.8°C | 24.8°C | 335 | 21.0 | 11.612 h |
| December, selected | 26.8°C24.2°C | 24.2°C | 201 | 14.8 | 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
- Kāraikāl in DecemberIndia · 17 kmHigh 26.8°C · Low 24.2°C · 194 mm rain
- Mayiladuthurai in DecemberIndia · 43 kmHigh 26.9°C · Low 23.1°C · 194 mm rain
- Kumbakonam in DecemberIndia · 54 kmHigh 27.8°C · Low 21.7°C · 127 mm rain
- Pattukkottai in DecemberIndia · 69 kmHigh 28.2°C · Low 21.8°C · 118 mm rain
- Thanjavur in DecemberIndia · 77 kmHigh 28.1°C · Low 21.4°C · 109 mm rain
- Virudhachalam in DecemberIndia · 101 kmHigh 28.1°C · Low 21.0°C · 99 mm rain
- Neyveli in DecemberIndia · 101 kmHigh 27.6°C · Low 21.2°C · 123 mm rain
- Cuddalore in DecemberIndia · 111 kmHigh 26.9°C · Low 23.0°C · 157 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 Nagapattinam) is explained once on the Nagapattinam year overview and on the Sources, method and limits page.