Chennai
India
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Chennai, India

A staircase to the front entrance of the Ramakrishna Temple in Chennai, India
A staircase to the front entrance of the Ramakrishna Temple in Chennai, India
May, the last month of the pre-monsoon summer, in Chennai, is a torrid month, with temperature in the range of an average high of 36.8°C (98.2°F) and an average low of 27.9°C (82.2°F).

Temperature

In Chennai, the average high-temperature is relatively the same as in April - a torrid 36.8°C (98.2°F). In Chennai, in May, the average low-temperature is 27.9°C (82.2°F).

Humidity

In May, the average relative humidity is 62%.

Rainfall

In May, the rain falls for 1.4 days. Throughout May, 43.9mm (1.7") of precipitation is accumulated. In Chennai, during the entire year, the rain falls for 59.1 days and collects up to 1391.5mm (54.8") of precipitation.

Sea temperature

May is the month with the warmest seawater, with an average sea temperature of 29.5°C (85.1°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In May, the average length of the day is 12.7h.

Sunshine

In Chennai, the average sunshine is 9h.

UV index

Months with the highest UV index in Chennai are February through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for the average person.
In May, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Chennai?

The average high-temperature, in May, is 36.8°C (98.2°F), while the average low-temperature is 27.9°C (82.2°F).

What is the average humidity in May in Chennai?

In Chennai, India, the average relative humidity in May is 62%.

How many days does it rain in May in Chennai?

In Chennai, in May, during 1.4 rainfall days, 43.9mm (1.7") of precipitation is typically accumulated.

What month is the sea warmest in Chennai?

With an average sea temperature of 29.5°C (85.1°F), May is the month with the warmest seawater in Chennai. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the water temperature in May in Chennai?

In May, the average sea temperature in Chennai is 29.5°C (85.1°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in May in Chennai?

In Chennai, India, the average length of the day in May is 12.7h.

How many hours of sunshine does Chennai have in May?

The average sunshine in May in Chennai, India, is 9h.

When is the highest UV index in Chennai?

February through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in May in Chennai?

In May, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in May - Chennai, India
  • Average high temperature in May: 36.8°C

The warmest month (with the highest average high temperature) is June (36.9°C).
The month with the lowest average high temperature is December (28.5°C).

  • Average low temperature in May: 27.9°C

The month with the highest average low temperature is May (27.9°C).
The coldest month (with the lowest average low temperature) is January (20.9°C).

Average humidity in May - Chennai, India
  • Average humidity in May: 62%

The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is June (57%).

Average rainfall in May - Chennai, India
  • Average rainfall in May: 43.9mm

The wettest month (with the highest rainfall) is November (407.4mm).
The driest month (with the lowest rainfall) is February (2.2mm).

Average rainfall days in May - Chennai, India
  • Average rainfall days in May: 1.4 days

The month with the highest number of rainy days is November (11.7 days).
The month with the lowest number of rainy days is March (0.3 days).

Average sea temperature in May - Chennai, India
  • Average sea temperature in May: 29.5°C

The best month for swimming (with the highest average sea temperature) is May (29.5°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight in May / Average sunshine in May - Chennai, India
  • Average daylight in May: 12.7h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in May: 9h

The month with most sunshine is April (Average sunshine: 9.7h).
The month with least sunshine is July (Average sunshine: 6h).

Average UV index in May - Chennai, India
  • Average UV index in May: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).