Climate - Coimbatore (Tamil Nadu)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Coimbatore
The climate of Coimbatore (or Kovai) is tropical semi-arid, slightly tempered by altitude, with a dry period from December to April and a rainy period in October and November. In the other months, the rains are quite irregular, and are generally not abundant.
Temperatures are high all year round, although they drop a bit from November to January and increase from March to May, before the southwest monsoon, when they reach the highest values of the year.
The city is located in southwest India, in the state of Tamil Nadu, at 11 degrees north latitude and 400 meters (4,265 feet) above sea level. To the west are the Western Ghats, with Mount Elivai Mala, 2,088 meters (6,850 feet) high, while to the north-west is the city of Ootacamund. At the foot of the mountain, at an altitude of 470 meters (1,540 feet) and about 20 km (12 mi) from Coimbatore, is the statue of Adiyogi Shiva, built in 2017.
We are in the south-eastern side of India, where the summer monsoon, from June to September, brings little rain because it is hindered by the Western Ghats. However, the wind and cloudiness brought by the monsoon lower the temperature by a few degrees. Instead, the rains increase in October and November, during the northeast monsoon period.
Coimbatore is in the path of tropical cyclones. Typically, cyclones occur from April to December, although the extreme south of India is normally affected only in November and December. In any case, since the sea is warm all year round, in theory they can also form from January to March, perhaps in light form (as tropical storms).
Best Time
The best months to visit Coimbatore are December and January, as they are the least hot within the dry season. From February to April it is still the dry season, but it is very hot. In December, especially in the first half, sometimes a tropical cyclone can still pass, although this rarely happens.
Coimbatore - Climate data
In Coimbatore, the average temperature of the coldest month (December) is of 24.6 °C (76.3 °F), that of the warmest month (April) is of 30.1 °C (86.2 °F). Here are the average temperatures.Coimbatore - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 19.2 | 31 | 25.1 | 67 | 88 | 77.1 |
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| February | 20.3 | 33.3 | 26.8 | 69 | 92 | 80.3 |
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| March | 22.4 | 35.7 | 29 | 72 | 96 | 84.3 |
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| April | 23.9 | 36.3 | 30.1 | 75 | 97 | 86.2 |
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| May | 23.8 | 35 | 29.4 | 75 | 95 | 84.9 |
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| June | 23 | 32.5 | 27.7 | 73 | 91 | 81.9 |
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| July | 22.3 | 31.6 | 26.9 | 72 | 89 | 80.5 |
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| August | 22.3 | 31.9 | 27.1 | 72 | 89 | 80.8 |
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| September | 22.4 | 32.6 | 27.5 | 72 | 91 | 81.5 |
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| October | 22.3 | 31.8 | 27.1 | 72 | 89 | 80.7 |
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| November | 21.4 | 30.3 | 25.8 | 70 | 86 | 78.5 |
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| December | 19.6 | 29.7 | 24.6 | 67 | 85 | 76.3 |
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| Year | 21.9 | 32.6 | 27.2 | 71.4 | 90.8 | 81 |
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In Coimbatore, precipitation amounts to 600 millimeters (23.6 inches) per year: so, it is at an intermediate level. It ranges from 4 mm (0.2 in) in the driest month (February) to 160 mm (6.3 in) in the wettest one (October). Here is the average precipitation.Coimbatore - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 8 | 0.3 | 1 |
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| February | 4 | 0.2 | 1 |
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| March | 25 | 1 | 2 |
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| April | 45 | 1.8 | 4 |
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| May | 55 | 2.2 | 6 |
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| June | 25 | 1 | 9 |
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| July | 25 | 1 | 10 |
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| August | 35 | 1.4 | 9 |
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| September | 55 | 2.2 | 8 |
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| October | 160 | 6.3 | 12 |
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| November | 135 | 5.3 | 10 |
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| December | 35 | 1.4 | 4 |
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| Year | 600 | 23.6 | 77 |
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Coimbatore - Weather by month
Based on the period 1991-2020
In January, the weather in Coimbatore is usually warm to hot. The average temperature is of 25.1 °C (77 °F), with a minimum of 19.2 °C (66.6 °F) and a maximum of 31 °C (87.7 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (61 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (92 °F).
Precipitation amounts to only 8 mm (0.3 in), and all occurs in one day.
The day lasts on average 11 hours and 35 minutes.
The average humidity is 60%.
The average wind speed is 7 kph (4 mph).
In February, the weather in Coimbatore is usually warm to hot. The average temperature is of 26.8 °C (80 °F), with a minimum of 20.3 °C (68.6 °F) and a maximum of 33.3 °C (92 °F).
On the coldest nights of the month, the temperature usually drops to around 17 °C (62.5 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F).
Precipitation amounts to only 4 mm (0.2 in), and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.
The average humidity is 53%.
The average wind speed is 8 kph (5 mph).
In March, the weather in Coimbatore is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 29.0 °C (84 °F), with a minimum of 22.4 °C (72.2 °F) and a maximum of 35.7 °C (96.3 °F).
On the coldest nights, the temperature usually drops to around 19 °C (66 °F).
On the warmest days, the temperature usually reaches around 38 °C (100.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 53%.
The average wind speed is 9 kph (5 mph).
In April, the hottest month of the year, the weather in Coimbatore is usually very hot. The average temperature is of 30.1 °C (86 °F), with a minimum of 23.9 °C (75.1 °F) and a maximum of 36.3 °C (97.4 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 38.5 °C (101 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 62%.
The average wind speed is 10 kph (6 mph).
In May, the weather in Coimbatore is usually very hot. The average temperature is of 29.4 °C (85 °F), with a minimum of 23.8 °C (74.8 °F) and a maximum of 35 °C (95 °F).
On the coldest nights, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days, the temperature usually reaches around 38 °C (100 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 12 hours and 35 minutes.
The average humidity is 69%.
The average wind speed is 13 kph (8 mph).
In June, the weather in Coimbatore is usually very hot and muggy. The average temperature is of 27.7 °C (82 °F), with a minimum of 23 °C (73.3 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70 °F).
On the warmest days, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 25 mm (1 in), distributed over 9 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
In July, the weather in Coimbatore is usually warm to hot and muggy. The average temperature is of 26.9 °C (80 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 31.6 °C (88.9 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 25 mm (1 in), distributed over 10 days.
The day lasts on average 12 hours and 40 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
In August, the weather in Coimbatore is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 22.3 °C (72.2 °F) and a maximum of 31.9 °C (89.4 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 9 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
In September, the weather in Coimbatore is usually warm to hot and muggy. The average temperature is of 27.5 °C (82 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 32.6 °C (90.7 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70 °F).
On the warmest days, the temperature usually reaches around 35 °C (95 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
In October, the weather in Coimbatore is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 31.8 °C (89.3 °F).
On the coldest nights, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 160 mm (6.3 in), distributed over 12 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
In November, the weather in Coimbatore is usually warm to hot and muggy. The average temperature is of 25.8 °C (78 °F), with a minimum of 21.4 °C (70.4 °F) and a maximum of 30.3 °C (86.5 °F).
On the coldest nights, the temperature usually drops to around 18 °C (65 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (91 °F).
Precipitation amounts to 135 mm (5.3 in), distributed over 10 days.
The day lasts on average 11 hours and 35 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In December, the coolest month of the year, the weather in Coimbatore is usually warm to hot. The average temperature is of 24.6 °C (76 °F), with a minimum of 19.6 °C (67.2 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (61.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 69%.
The average wind speed is 7 kph (4 mph).
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