April weather forecastVettavalam, India
April
Weather in April
April, like March, in Vettavalam, India, is another torrid pre-monsoon summer month, with an average temperature ranging between min 25.3°C (77.5°F) and max 38.1°C (100.6°F).Temperature
A minimal variation is noted in Vettavalam's average high-temperature at the onset of April, reaching a still very hot 38.1°C (100.6°F) from March's 35.4°C (95.7°F). Vettavalam experiences a substantial divergence from daytime highs in April, with average lows hovering around a moderately hot 25.3°C (77.5°F).Heat index
The heat index in April is appraised at a blazing hot 52°C (125.6°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
The average relative humidity in April is 55%.Rainfall
In Vettavalam, in April, during 8.5 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Vettavalam, there are 143.1 rainfall days, and 343mm (13.5") of precipitation is accumulated.Daylight
In Vettavalam, the average length of the day in April is 12h and 24min.On the first day of April, sunrise is at 6:09 am and sunset at 6:24 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:26 pm IST.
Sunshine
The average sunshine in April in Vettavalam is 10.5h.UV index
The months with the highest UV index in Vettavalam are April through June, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, the UV index of 8 transforms into the following advice:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vettavalam, India
- Average high temperature in April: 38.1°C
The warmest month (with the highest average high temperature) is May (38.8°C).
The month with the lowest average high temperature is December (28.2°C).
- Average low temperature in April: 25.3°C
The month with the highest average low temperature is May (28°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in April
Vettavalam, India
- Average pressure in April: 1008.9mbar
The month with the highest atmospheric pressure is January (1014mbar).
The month with the lowest atmospheric pressure is June (1005.4mbar).
Average wind speed in April
Vettavalam, India
- Average wind speed in April: 9.5km/h
The windiest month (with the highest average wind speed) is July (14.1km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).
Average humidity in April
Vettavalam, India
- Average humidity in April: 55%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is May (49%).
Average rainfall in April
Vettavalam, India
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is October (65mm).
The driest months (with the least rainfall) are January and February (4mm).
Average rainfall days in April
Vettavalam, India
- Average rainfall days in April: 8.5 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (3.3 days).
Average daylight in April /
Average sunshine in April
Vettavalam, India
- Average daylight in April: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in April: 10h and 30min
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 42min).
Average sunshine days in April
Vettavalam, India
- Average sunshine days in April: 18.6 days
The month with the most sunshine days is January (24.9 days).
The months with the least sunshine days are September and October (8.6 days).
Average UV index in April
Vettavalam, India
- Average UV index in April: 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, October, November and December (UV index 6).
Average cloud cover in April
Vettavalam, India
- Average cloud cover in April: 16
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is March (Cloud cover 15).
Average visibility in April
Vettavalam, India
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).





