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Nagapattinam, Tamil Nadu Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Nagapattinam, Tamil Nadu?
June is the warmest month (average high 38°C) and January the coldest (average low 22°C).
Nagapattinam climate at a glance
Nagapattinam weather by month
Nagapattinam weather in January
In January, Nagapattinam averages a high of 29°C and a low of 22°C. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The January record high is 33°C (2022) and the record low is 18°C (2012).
Nagapattinam weather in February
In February, Nagapattinam averages a high of 31°C and a low of 23°C. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The February record high is 33°C (2024) and the record low is 18°C (2014).
Nagapattinam weather in March
In March, Nagapattinam averages a high of 33°C and a low of 24°C. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. The March record high is 38°C (2021) and the record low is 19°C (2010).
Nagapattinam weather in April
In April, Nagapattinam averages a high of 35°C and a low of 27°C. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The April record high is 40°C (2017) and the record low is 22°C (2015).
Nagapattinam weather in June
In June, Nagapattinam averages a high of 38°C and a low of 27°C. Estimated sunshine is 20% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (2019) and the record low is 22°C (2023).
Nagapattinam weather in July
In July, Nagapattinam averages a high of 37°C and a low of 26°C. Estimated sunshine is 13% of daylight hours, derived from ERA5 cloud cover. The July record high is 40°C (2019) and the record low is 22°C (2014).
Nagapattinam weather in August
In August, Nagapattinam averages a high of 36°C and a low of 26°C. Estimated sunshine is 17% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (2023) and the record low is 22°C (2014).
Nagapattinam weather in September
In September, Nagapattinam averages a high of 35°C and a low of 26°C. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The September record high is 40°C (2015) and the record low is 22°C (2013).
Nagapattinam weather in October
In October, Nagapattinam averages a high of 33°C and a low of 25°C. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The October record high is 37°C (2017) and the record low is 22°C (2011).
Nagapattinam weather in November
In November, Nagapattinam averages a high of 31°C and a low of 24°C. Estimated sunshine is 15% of daylight hours, derived from ERA5 cloud cover. The November record high is 34°C (2020) and the record low is 21°C (2012).
Nagapattinam weather in December
In December, Nagapattinam averages a high of 29°C and a low of 23°C. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The December record high is 36°C (2014) and the record low is 18°C (2022).
Sunshine, humidity and wind in Nagapattinam
March is the sunniest month in Nagapattinam, with estimated sunshine of 59% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 13%. The annual cloud-cover estimate is 33% of daylight hours; it is not a measurement of sunshine duration. Nagapattinam is cloudier than 82% of India.
Humidity peaks in November at 84% and is lowest in July at 70%.
Nagapattinam has about 181 days a year above 32°C. Nagapattinam is hotter than 88% of India.
Nagapattinam weather records
These records cover NAGAPPATTINAM during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Nagapattinam station is 43°C, on May 23, 2020. The coldest is 18°C, on January 19, 2012.
The wettest day in the available station history brought 310 mm of precipitation, on November 10, 2021.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 22° | 29° | 31 mm | 4 | 77% | 46% | 33° | 18° |
| February | 23° | 31° | — | — | 75% | 58% | 33° | 18° |
| March | 24° | 33° | — | — | 76% | 59% | 38° | 19° |
| April | 27° | 35° | — | — | 78% | 56% | 40° | 22° |
| May | 28° | — | — | — | 76% | 29% | 43° | 22° |
| June | 27° | 38° | 22 mm | 3 | 74% | 20% | 41° | 22° |
| July | 26° | 37° | 56 mm | 5 | 70% | 13% | 40° | 22° |
| August | 26° | 36° | 90 mm | 8 | 75% | 17% | 39° | 22° |
| September | 26° | 35° | 61 mm | 6 | 76% | 23% | 40° | 22° |
| October | 25° | 33° | 214 mm | 10 | 79% | 29% | 37° | 22° |
| November | 24° | 31° | 437 mm | 16 | 84% | 15% | 34° | 21° |
| December | 23° | 29° | 288 mm | 11 | 82% | 30% | 36° | 18° |
Station: NAGAPPATTINAM, 1 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Nagapattinam climate questions
What is the hottest month in Nagapattinam?
June is the warmest month in Nagapattinam, with an average high of 38°C.
What is the coldest month in Nagapattinam?
January is the coldest month in Nagapattinam, with an average low of 22°C.
What is the record high temperature in Nagapattinam?
Within the available 1970–2026 station history, the record high at the Nagapattinam station is 43°C, set on May 23, 2020. The record low is 18°C, on January 19, 2012.
What is the sunniest month in Nagapattinam?
March is the sunniest month in Nagapattinam, with estimated sunshine of 59% of daylight hours from ERA5 cloud cover. July is the cloudiest.