January weather forecastVallam, India
January
Weather in January
January, like December, in Vallam, India, is another warm winter month, with an average temperature ranging between max 29.8°C (85.6°F) and min 20.1°C (68.2°F).Temperature
An average high-temperature of a still warm 29.8°C (85.6°F) marks January, exhibiting a close resemblance to the conditions in December. Vallam's nighttime temperature in January falls to an average of 20.1°C (68.2°F).Heat index
Throughout January, the heat index is calculated to be a sweltering 36°C (96.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in January is 76%.Rainfall
In Vallam, during January, the rain falls for 8 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 145 rainfall days, and 512mm (20.16") of precipitation is accumulated.Daylight
The average length of the day in January is 11h and 35min.On the first day of January, sunrise is at 6:31 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:16 pm IST.
Sunshine
In January, the average sunshine is 9h.UV index
The months with the lowest UV index are January, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the UV index of 6 transforms into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Vallam, India
- Average high temperature in January: 29.8°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 (29.1°C).
- Average low temperature in January: 20.1°C
The month with the highest average low temperature is May (28.8°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).
Average pressure in January
Vallam, India
- Average pressure in January: 1013.3mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is June (1005.6mbar).
Average wind speed in January
Vallam, India
- Average wind speed in January: 13.9km/h
The windiest month (with the highest average wind speed) is June (16km/h).
The calmest month (with the lowest average wind speed) is October (10km/h).
Average humidity in January
Vallam, India
- Average humidity in January: 76%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is June (51%).
Average rainfall in January
Vallam, India
- Average rainfall in January: 12mm
The wettest month (with the highest rainfall) is October (128mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in January
Vallam, India
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is October (21.9 days).
The month with the least rainy days is February (5.5 days).
Average daylight in January /
Average sunshine in January
Vallam, India
- Average daylight in January: 11h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January: 9h and 0min
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 January
Vallam, India
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is October (7.6 days).
Average UV index in January
Vallam, India
- Average UV index in January: 6
The months with the highest UV index are March, April, May, June, July and August (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in January
Vallam, India
- Average cloud cover in January: 26
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility in January
Vallam, India
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
