May weather forecastPonnai, India
May
Weather in May
May, the last month of the pre-monsoon summer in Ponnai, is another torrid month, with temperature in the range of an average low of 27.3°C (81.1°F) and an average high of 38.6°C (101.5°F).Temperature
In Ponnai, May is the warmest month, with temperatures averaging a high of 38.6°C (101.5°F) and a low of 27.3°C (81.1°F).Heat index
For most parts of May, the heat index is evaluated at a burning hot 49°C (120.2°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.Heat index determinations are made taking into account the shade and light air movements. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
With an average relative humidity of 47%, May is the least humid month.Rainfall
In Ponnai, in May, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation. In Ponnai, during the entire year, the rain falls for 163.6 days and collects up to 632mm (24.88") of precipitation.Daylight
In Ponnai, the average length of the day in May is 12h and 44min.On the first day of the month, sunrise is at 5:51 am and sunset at 6:28 pm. On the last day of May, sunrise is at 5:45 am and sunset at 6:36 pm IST.
Sunshine
May has the most sunshine of the year, with an average of 11.7h of sunshine.UV index
April through June, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 8 in May suggests the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ponnai, India
- Average high temperature in May: 38.6°C
The warmest month (with the highest average high temperature) is May (38.6°C).
The month with the lowest average high temperature is December (27.6°C).
- Average low temperature in May: 27.3°C
The month with the highest average low temperature is May (27.3°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).
Average pressure in May
Ponnai, India
- Average pressure in May: 1005.8mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is June (1005mbar).
Average wind speed in May
Ponnai, India
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is July (14.9km/h).
The calmest month (with the lowest average wind speed) is October (6.9km/h).
Average humidity in May
Ponnai, India
- Average humidity in May: 47%
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is May (47%).
Average rainfall in May
Ponnai, India
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is October (106mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in May
Ponnai, India
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is September (22.7 days).
The month with the least rainy days is February (2.7 days).
Average daylight in May /
Average sunshine in May
Ponnai, India
- Average daylight in May: 12h and 42min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in May: 11h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in May
Ponnai, India
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is March (24.7 days).
The month with the least sunshine days is September (4.9 days).
Average UV index in May
Ponnai, India
- Average UV index in May: 8
The months with the highest UV index are April, May and June (UV index 8).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in May
Ponnai, India
- Average cloud cover in May: 20
The month with the most cloud cover is November (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).
Average visibility in May
Ponnai, India
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July and August (10km).
The months with the lowest visibility are November and December (8km).





