Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January welcomes an average high-temperature of a still warm 29.8°C (85.6°F), not much different from the preceding month. Perumanallur witnesses a consistent average low-temperature of 19.1°C (66.4°F) throughout January.Heat index
January's mean heat index is evaluated at a tropical 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In Perumanallur, the average relative humidity in January is 65%.Rainfall
The month with the least rainfall in Perumanallur is January, when the rain falls for 5.1 days and typically collects 10mm (0.39") of precipitation.Daylight
In Perumanallur, the average length of the day in January is 11h and 33min.On the first day of January, sunrise is at 6:39 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:23 pm IST.
Sunshine
The average sunshine in January is 9.4h.UV index
January, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in January interprets into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is it in Perumanallur in January?
What is the average humidity in January in Perumanallur?
What is the driest month in Perumanallur?
How many days does it rain in January in Perumanallur?
How many hours of daylight does Perumanallur have in January?
What time are sunrise and sunset in January in Perumanallur?
How long on average sun shines in January in Perumanallur?
When is the lowest UV index in Perumanallur?
What is the UV index intensity in January in Perumanallur?
Average temperature in January
Perumanallur, India
- Average high temperature in January: 29.8°C
The warmest month (with the highest average high temperature) is April (37.7°C).
The month with the lowest average high temperature is December (28.5°C).
- Average low temperature in January: 19.1°C
The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).
Average pressure in January
Perumanallur, India
- Average pressure in January: 1013.5mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The month with the lowest atmospheric pressure is June (1008mbar).
Average wind speed in January
Perumanallur, India
- Average wind speed in January: 7.8km/h
The windiest month (with the highest average wind speed) is June (20.6km/h).
The calmest month (with the lowest average wind speed) is November (6.5km/h).
Average humidity in January
Perumanallur, India
- Average humidity in January: 65%
The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are March and April (50%).
Average rainfall in January
Perumanallur, India
- Average rainfall in January: 10mm
The wettest month (with the highest rainfall) is October (193mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days in January
Perumanallur, India
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is October (23 days).
The month with the least rainy days is February (5 days).
Average daylight in January /
Average sunshine in January
Perumanallur, India
- Average daylight in January: 11h and 4min
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 30min).
- Average sunshine in January: 9h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in January
Perumanallur, India
- Average sunshine days in January: 23.4 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is October (6.4 days).
Average UV index in January
Perumanallur, India
- Average UV index in January: 6
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in January
Perumanallur, India
- Average cloud cover in January: 23
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in January
Perumanallur, India
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are October, November and December (9km).
Perumanallur, India
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