Thanjavur, Tamil Nadu Weather by Month and Climate Averages

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).

Thanjavur climate at a glance

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.

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. The sun is out about 44% of daylight hours. 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. The sun is out about 57% of daylight hours. 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. The sun is out about 56% of daylight hours. 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. The sun is out about 49% of daylight hours. 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. The sun is out about 27% of daylight hours. 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. The sun is out about 18% of daylight hours. 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. The sun is out about 12% of daylight hours. 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. The sun is out about 15% of daylight hours. 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. The sun is out about 21% of daylight hours. 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. The sun is out about 26% of daylight hours. 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. The sun is out about 14% of daylight hours. 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. The sun is out about 29% of daylight hours. 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 sunshine about 57% of daylight hours. July is the cloudiest, at 12%. Over the year the sun shines about 31% of daylight hours. 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 91% of India.

Thanjavur weather records

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 on record brought 311 mm of rain, 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

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January8.9 mm279%44%-3°38°15°
February11 mm174%57%-2°38°15°
March17 mm170%56%-2°41°15°
April26 mm270%49%-1°48°21°
May57 mm467%27%-1°43°19°
June28 mm364%18%-2°42°19°
July45 mm362%12%-2°41°20°
August68 mm665%15%-2°40°21°
September93 mm769%21%-2°39°21°
October129 mm1177%26%-2°39°20°
November164 mm1084%14%-2°36°17°
December75 mm782%29%-2°38°16°

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?

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 sunshine about 57% of daylight hours. July is the cloudiest.

Source: NOAA GHCN-Daily station TIRUCHCHIRAPALLI (46 km away).

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Normals from NOAA GHCN-Daily station TIRUCHCHIRAPALLI.