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Thanjavur, 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 Thanjavur, Tamil Nadu?
Thanjavur, Tamil Nadu gets 724 mm of precipitation a year over about 57 rainy days. May is the warmest month (average high 38°C) and January the coldest (average low 21°C).
Semi-arid climate
Thanjavur, Tamil Nadu has hot summers and hot winters. Daytime highs range from about 30°C in December to 38°C in May. November is usually the wettest month.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 21° | 32° |
| Spring | Mar–May | 26° | 38° |
| Summer | Jun–Aug | 26° | 37° |
| Autumn | Sep–Nov | 24° | 33° |
How much rain does Thanjavur get?
Thanjavur gets 724 mm of precipitation in an average year, spread over about 57 days with measurable rain. That is fewer rainy days than 58% of India.
November is the wettest month, with 164 mm. January is the driest, with 9 mm. October has the most rainy days, about 11.
Thanjavur weather by month
Thanjavur weather in January
In January, Thanjavur averages a high of 31°C and a low of 21°C. It gets 9 mm of precipitation over about 2 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The January record high is 38°C (1990) and the record low is 15°C (1988).
Thanjavur weather in February
In February, Thanjavur averages a high of 33°C and a low of 22°C. It gets 11 mm of precipitation over about 1 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The February record high is 38°C (2012) and the record low is 15°C (1974).
Thanjavur weather in March
In March, Thanjavur averages a high of 36°C and a low of 23°C. It gets 17 mm of precipitation over about 1 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The March record high is 41°C (1991) and the record low is 15°C (1977).
Thanjavur weather in April
In April, Thanjavur averages a high of 38°C and a low of 26°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 April record high is 48°C (1977) and the record low is 21°C (1994).
Thanjavur weather in May
In May, Thanjavur averages a high of 38°C and a low of 27°C. It gets 57 mm of precipitation over about 4 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The May record high is 43°C (2024) and the record low is 19°C (2003).
Thanjavur weather in June
In June, Thanjavur averages a high of 37°C and a low of 27°C. It gets 28 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 (2011) and the record low is 19°C (1975).
Thanjavur weather in July
In July, Thanjavur averages a high of 37°C and a low of 26°C. It gets 45 mm of precipitation over about 3 rainy days. Estimated sunshine is 12% of daylight hours, derived from ERA5 cloud cover. The July record high is 41°C (2019) and the record low is 20°C (1977).
Thanjavur weather in August
In August, Thanjavur averages a high of 36°C and a low of 26°C. It gets 68 mm of precipitation over about 6 rainy days. Estimated sunshine is 15% of daylight hours, derived from ERA5 cloud cover. The August record high is 40°C (2015) and the record low is 21°C (2007).
Thanjavur weather in September
In September, Thanjavur averages a high of 36°C and a low of 25°C. It gets 93 mm of precipitation over about 7 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (2015) and the record low is 21°C (1988).
Thanjavur weather in October
In October, Thanjavur averages a high of 33°C and a low of 24°C. It gets 129 mm of precipitation over about 11 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The October record high is 39°C (2024) and the record low is 20°C (2000).
Thanjavur weather in November
In November, Thanjavur averages a high of 31°C and a low of 23°C. It gets 164 mm of precipitation over about 10 rainy days. Estimated sunshine is 14% of daylight hours, derived from ERA5 cloud cover. The November record high is 36°C (2020) and the record low is 17°C (2011).
Thanjavur weather in December
In December, Thanjavur averages a high of 30°C and a low of 21°C. It gets 75 mm of precipitation over about 7 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The December record high is 38°C (2014) and the record low is 16°C (1984).
Sunshine, humidity and wind in Thanjavur
February is the sunniest month in Thanjavur, with estimated sunshine of 57% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 12%. The annual cloud-cover estimate is 31% of daylight hours; it is not a measurement of sunshine duration. Thanjavur is cloudier than 93% of India.
Humidity peaks in November at 84% and is lowest in July at 62%.
Thanjavur has about 190 days a year above 32°C. Thanjavur is hotter than 90% of India.
Thanjavur weather records
These records cover TIRUCHCHIRAPALLI during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Thanjavur station is 48°C, on April 14, 1977. The coldest is 15°C, on February 7, 1974.
The wettest day in the available station history brought 311 mm of precipitation, on November 22, 1999.
19 all-time records have been set at the station since 1970.
The best time to visit Thanjavur
Winter (December–February) is hot, with average highs around 31°C and lows near 21°C.
Spring (March–May) is hot, with average highs around 38°C and lows near 25°C.
Summer (June–August) is hot, with average highs around 37°C and lows near 26°C.
Autumn (September–November) is hot, with average highs around 33°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° | 31° | 8.9 mm | 2 | 79% | 44% | 38° | 15° |
| February | 22° | 33° | 11 mm | 1 | 74% | 57% | 38° | 15° |
| March | 23° | 36° | 17 mm | 1 | 70% | 56% | 41° | 15° |
| April | 26° | 38° | 26 mm | 2 | 70% | 49% | 48° | 21° |
| May | 27° | 38° | 57 mm | 4 | 67% | 27% | 43° | 19° |
| June | 27° | 37° | 28 mm | 3 | 64% | 18% | 42° | 19° |
| July | 26° | 37° | 45 mm | 3 | 62% | 12% | 41° | 20° |
| August | 26° | 36° | 68 mm | 6 | 65% | 15% | 40° | 21° |
| September | 25° | 36° | 93 mm | 7 | 69% | 21% | 39° | 21° |
| October | 24° | 33° | 129 mm | 11 | 77% | 26% | 39° | 20° |
| November | 23° | 31° | 164 mm | 10 | 84% | 14% | 36° | 17° |
| December | 21° | 30° | 75 mm | 7 | 82% | 29% | 38° | 16° |
Station: TIRUCHCHIRAPALLI, 46 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; 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.
Thanjavur climate questions
How much rain does Thanjavur get?
Thanjavur gets 724 mm of precipitation in an average year, over about 57 rainy days.
What is the wettest month in Thanjavur?
November is the wettest month in Thanjavur, with 164 mm. January is the driest, with 9 mm.
How many rainy days does Thanjavur have a year?
Thanjavur has about 57 days with measurable rain in an average year. October has the most, about 11.
What is the hottest month in Thanjavur?
May is the warmest month in Thanjavur, with an average high of 38°C.
What is the coldest month in Thanjavur?
January is the coldest month in Thanjavur, with an average low of 21°C.
What is the record high temperature in Thanjavur?
Within the available 1970–2025 station history, the record high at the Thanjavur station is 48°C, set on April 14, 1977. The record low is 15°C, on February 7, 1974.
What is the sunniest month in Thanjavur?
February is the sunniest month in Thanjavur, with estimated sunshine of 57% of daylight hours from ERA5 cloud cover. July is the cloudiest.