The climate of Ranchi is
subtropical, slightly tempered by altitude, with a
rainy season from June to mid-October, due to the monsoon, and a
dry season from mid-October to May. The rains usually end in early or mid-October.
The city is the capital of the state of
Jharkhand and is located in the east of India, just south of the Tropic of Cancer and 650 meters (2,100 feet) above sea level.
In
winter, from mid-November to late February or early March, nights are cool, and sometimes even cold. The temperature dropped to 3.2 °C (37.8 °F) in January 2001 and to 3.5 °C (38.3 °F) in February 2008.
From mid-March to early June, before the monsoon,
it is very hot, and in the hottest periods the temperature can exceed 40 °C (104 °F). It reached 43.3 °C (109.9 °F) in early June 1995 and 43.2 °C (109.8 °F) in mid-May 2017.
Due to the altitude, from July to September, during the rainy days the maximum temperatures can remain around 25 °C (77 °F).
Ranchi is in the path of
tropical cyclones. Typically, cyclones occur from April to December, with two intensity peaks before and after the monsoon (from late April to early June and in October-November).
Best Time
The
best time to visit Ranchi is from November to February, being the coolest within the dry season. Sometimes, it can get a little chilly at night, more likely from mid-December to mid-February. It must be said that until around December 20, a cyclone can still pass from time to time. In February the temperature rises, and in the second half of the month it can get hot.
Ranchi - Climate data
The
average temperature of the coldest month (January) is of 16.7 °C (62.1 °F), that of the warmest month (May) is of 30.3 °C (86.6 °F). Here are the average temperatures.
Ranchi - Average temperatures (1991-2020) Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
---|
January | 9.6 | 23.9 | 16.7 | 49 | 75 | 62.1 |
---|
February | 12.8 | 27.2 | 20 | 55 | 81 | 68 |
---|
March | 17 | 31.6 | 24.3 | 63 | 89 | 75.8 |
---|
April | 21.1 | 35.8 | 28.4 | 70 | 96 | 83.1 |
---|
May | 23.5 | 37.1 | 30.3 | 74 | 99 | 86.6 |
---|
June | 23.7 | 33.8 | 28.8 | 75 | 93 | 83.8 |
---|
July | 22.8 | 30 | 26.4 | 73 | 86 | 79.6 |
---|
August | 22.6 | 29.8 | 26.2 | 73 | 86 | 79.2 |
---|
September | 22 | 30 | 26 | 72 | 86 | 78.8 |
---|
October | 18.8 | 29.3 | 24 | 66 | 85 | 75.3 |
---|
November | 14 | 27 | 20.5 | 57 | 81 | 68.9 |
---|
December | 10.1 | 24.2 | 17.2 | 50 | 76 | 62.9 |
---|
Year | 18.2 | 30 | 24.05 | 64.7 | 86 | 75.5 |
---|
Precipitation amounts to 1400 millimeters (55.1 inches) per year: it is therefore quite abundant. It ranges from 11 mm (0.4 in) in the driest month (November) to 335 mm (13.2 in) in the wettest one (July). Here is the average precipitation.
Ranchi - Average precipitationMonth | Millimeters | Inches | Days |
---|
January | 15 | 0.6 | 2 |
---|
February | 20 | 0.8 | 2 |
---|
March | 25 | 1 | 2 |
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April | 20 | 0.8 | 2 |
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May | 60 | 2.4 | 5 |
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June | 250 | 9.8 | 11 |
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July | 335 | 13.2 | 16 |
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August | 320 | 12.6 | 17 |
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September | 245 | 9.6 | 12 |
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October | 75 | 3 | 4 |
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November | 11 | 0.4 | 1 |
---|
December | 12 | 0.5 | 1 |
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Year | 1400 | 55.1 | 75 |
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Ranchi - Weather by month
Based on the period 1991-2020
January, the coldest month of the year, is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 16.7 °C (62 °F), with a minimum of 9.6 °C (49.2 °F) and a maximum of 23.9 °C (75 °F).
On the coldest nights of the month, the temperature usually drops to around 5.5 °C (42 °F).
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83.5 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 2 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 56%.
The average wind speed is 5 kph (3 mph).
February is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 20.0 °C (68 °F), with a minimum of 12.8 °C (55 °F) and a maximum of 27.2 °C (80.9 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 2 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 50%.
The average wind speed is 6 kph (4 mph).
March is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 24.3 °C (76 °F), with a minimum of 17 °C (62.6 °F) and a maximum of 31.6 °C (89 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12 °C (53.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36.5 °C (97.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 41%.
The average wind speed is 7 kph (4 mph).
April is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 28.4 °C (83 °F), with a minimum of 21.1 °C (69.9 °F) and a maximum of 35.8 °C (96.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16.5 °C (61.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 39.5 °C (103.5 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 2 days.
The day lasts on average 12 hours and 40 minutes.
The average humidity is 39%.
The average wind speed is 7 kph (5 mph).
May, the hottest month of the year, is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.3 °C (87 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 37.1 °C (98.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 41.5 °C (106.5 °F).
Precipitation amounts to 60 mm (2.4 in), distributed over 5 days.
The day lasts on average 13 hours and 20 minutes.
The average humidity is 48%.
The average wind speed is 8 kph (5 mph).
June is generally a very hot month. The average temperature is of 28.8 °C (84 °F), with a minimum of 23.7 °C (74.7 °F) and a maximum of 33.8 °C (92.9 °F).
On the coldest nights, the temperature usually drops to around 20 °C (68 °F).
On the warmest days, the temperature usually reaches around 39.5 °C (103.5 °F).
Precipitation amounts to 250 mm (9.8 in), distributed over 11 days.
The day lasts on average 13 hours and 35 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 69%.
The average wind speed is 9 kph (6 mph).
July is generally a warm to hot, muggy month. The average temperature is of 26.4 °C (80 °F), with a minimum of 22.8 °C (73.1 °F) and a maximum of 30 °C (86 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 335 mm (13.2 in), distributed over 16 days.
The day lasts on average 13 hours and 25 minutes.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
August is generally a warm to hot, muggy month. The average temperature is of 26.2 °C (79 °F), with a minimum of 22.6 °C (72.8 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 320 mm (12.6 in), distributed over 17 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
September is generally a warm to hot, muggy month. The average temperature is of 26.0 °C (79 °F), with a minimum of 22 °C (71.6 °F) and a maximum of 30 °C (85.9 °F).
On the coldest nights, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 12 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
October is generally a warm to hot, muggy month. The average temperature is of 24.0 °C (75 °F), with a minimum of 18.8 °C (65.9 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14.5 °C (58 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to 75 mm (3 in), distributed over 4 days.
The day lasts on average 11 hours and 35 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
November is generally a warm month. The average temperature is of 20.5 °C (69 °F), with a minimum of 14 °C (57.2 °F) and a maximum of 27 °C (80.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10 °C (50 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85.5 °F).
Precipitation amounts to 11 mm (0.4 in), and all occurs in one day.
The day lasts on average 11 hours and 0 minutes.
The average humidity is 64%.
The average wind speed is 4 kph (2 mph).
December is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 17.2 °C (63 °F), with a minimum of 10.1 °C (50.2 °F) and a maximum of 24.2 °C (75.6 °F).
On the coldest nights of the month, the temperature usually drops to around 6.5 °C (43.5 °F).
On the warmest days of the month, the temperature usually reaches around 28 °C (82 °F).
Precipitation amounts to 12 mm (0.5 in), and all occurs in one day.
The day lasts on average 10 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 59%.
The average wind speed is 4 kph (2 mph).