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Cuddalore, 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 Cuddalore, Tamil Nadu?
Cuddalore, Tamil Nadu gets 1087 mm of precipitation a year over about 58 rainy days. May is the warmest month (average high 37°C) and January the coldest (average low 21°C).
Tropical savanna climate
Cuddalore, Tamil Nadu has hot summers and hot winters. Daytime highs range from about 29°C in December to 37°C in June. November is usually the wettest month.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 21° | 30° |
| Spring | Mar–May | 26° | 35° |
| Summer | Jun–Aug | 26° | 36° |
| Autumn | Sep–Nov | 24° | 32° |
How much rain does Cuddalore get?
Cuddalore gets 1087 mm of precipitation in an average year, spread over about 58 days with measurable rain. That is fewer rainy days than 56% of India.
November is the wettest month, with 322 mm. February is the driest, with 9 mm. November has the most rainy days, about 11.
The longest dry spell in the last five years lasted 20 days, to September 24, 2026.
From October 2025 to September 2026 Cuddalore got no rain, against a normal of 1087 mm for those months.
Cuddalore weather by month
Cuddalore weather in January
In January, Cuddalore averages a high of 30°C and a low of 21°C. It gets 26 mm of precipitation over about 2 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The January record high is 33°C (2006) and the record low is 16°C (1990).
Cuddalore weather in February
In February, Cuddalore averages a high of 31°C and a low of 22°C. It gets 9 mm of precipitation over about 1 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The February record high is 36°C (1998) and the record low is 12°C (1973).
Cuddalore weather in March
In March, Cuddalore averages a high of 33°C and a low of 23°C. It gets 32 mm of precipitation over about 1 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The March record high is 39°C (1993) and the record low is 17°C (1992).
Cuddalore weather in April
In April, Cuddalore averages a high of 34°C and a low of 26°C. It gets 15 mm of precipitation over about 1 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The April record high is 41°C (2017) and the record low is 21°C (1997).
Cuddalore weather in May
In May, Cuddalore averages a high of 37°C and a low of 27°C. It gets 32 mm of precipitation over about 3 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The May record high is 43°C (1983) and the record low is 21°C (1981).
Cuddalore weather in June
In June, Cuddalore averages a high of 37°C and a low of 27°C. It gets 34 mm of precipitation over about 3 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (2010) and the record low is 20°C (1976).
Cuddalore weather in July
In July, Cuddalore averages a high of 36°C and a low of 26°C. It gets 52 mm of precipitation over about 5 rainy days. Estimated sunshine is 13% of daylight hours, derived from ERA5 cloud cover. The July record high is 41°C (2019) and the record low is 19°C (1987).
Cuddalore weather in August
In August, Cuddalore averages a high of 35°C and a low of 25°C. It gets 102 mm of precipitation over about 8 rainy days. Estimated sunshine is 16% of daylight hours, derived from ERA5 cloud cover. The August record high is 40°C (2005) and the record low is 20°C (1979).
Cuddalore weather in September
In September, Cuddalore averages a high of 34°C and a low of 25°C. It gets 81 mm of precipitation over about 7 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (1991) and the record low is 21°C (1978).
Cuddalore weather in October
In October, Cuddalore averages a high of 32°C and a low of 24°C. It gets 218 mm of precipitation over about 10 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The October record high is 38°C (2009) and the record low is 20°C (2000).
Cuddalore weather in November
In November, Cuddalore averages a high of 30°C and a low of 23°C. It gets 322 mm of precipitation over about 11 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The November record high is 42°C (1986) and the record low is 17°C (2007).
Cuddalore weather in December
In December, Cuddalore averages a high of 29°C and a low of 22°C. It gets 165 mm of precipitation over about 6 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The December record high is 33°C (1996) and the record low is 16°C (1984).
Sunshine, humidity and wind in Cuddalore
February is the sunniest month in Cuddalore, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 13%. The annual cloud-cover estimate is 34% of daylight hours; it is not a measurement of sunshine duration. Cuddalore is cloudier than 78% of India.
Humidity peaks in November at 84% and is lowest in June at 72%.
Cuddalore has about 172 days a year above 32°C. Cuddalore is hotter than 84% of India.
Cuddalore weather records
These records cover CUDDALORE during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Cuddalore station is 43°C, on May 31, 1983. The coldest is 12°C, on February 5, 1973.
The wettest day in the available station history brought 380 mm of precipitation, on November 4, 1978.
13 all-time records have been set at the station since 1970.
The best time to visit Cuddalore
Winter (December–February) is hot, with average highs around 30°C and lows near 21°C.
Spring (March–May) is hot, with average highs around 35°C and lows near 25°C.
Summer (June–August) is hot, with average highs around 36°C and lows near 26°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 32°C and lows near 24°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 21° | 30° | 26 mm | 2 | 79% | 49% | 33° | 16° |
| February | 22° | 31° | 8.6 mm | 1 | 75% | 62% | 36° | 12° |
| March | 23° | 33° | 32 mm | 1 | 76% | 61% | 39° | 17° |
| April | 26° | 34° | 15 mm | 1 | 78% | 56% | 41° | 21° |
| May | 27° | 37° | 32 mm | 3 | 75% | 34% | 43° | 21° |
| June | 27° | 37° | 34 mm | 3 | 72% | 18% | 42° | 20° |
| July | 26° | 36° | 52 mm | 5 | 74% | 13% | 41° | 19° |
| August | 25° | 35° | 102 mm | 8 | 76% | 16% | 40° | 20° |
| September | 25° | 34° | 81 mm | 7 | 76% | 22% | 39° | 21° |
| October | 24° | 32° | 218 mm | 10 | 80% | 30% | 38° | 20° |
| November | 23° | 30° | 322 mm | 11 | 84% | 18% | 42° | 17° |
| December | 22° | 29° | 165 mm | 6 | 82% | 34% | 33° | 16° |
Station: CUDDALORE, 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.
Cuddalore climate questions
How much rain does Cuddalore get?
Cuddalore gets 1087 mm of precipitation in an average year, over about 58 rainy days.
What is the wettest month in Cuddalore?
November is the wettest month in Cuddalore, with 322 mm. February is the driest, with 9 mm.
How many rainy days does Cuddalore have a year?
Cuddalore has about 58 days with measurable rain in an average year. November has the most, about 11.
What is the hottest month in Cuddalore?
May is the warmest month in Cuddalore, with an average high of 37°C.
What is the coldest month in Cuddalore?
January is the coldest month in Cuddalore, with an average low of 21°C.
What is the record high temperature in Cuddalore?
Within the available 1970–2026 station history, the record high at the Cuddalore station is 43°C, set on May 31, 1983. The record low is 12°C, on February 5, 1973.
What is the sunniest month in Cuddalore?
February is the sunniest month in Cuddalore, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. July is the cloudiest.