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
January
Weather in January
Temperature
January brings the lowest temperatures, with an average high of 28.4°C (83.1°F) and an average low of 24°C (75.2°F).Heat index
The heat index for January is estimated at a hot 32°C (89.6°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Heat index determinations are made taking into account the shade and light air movements. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In January, the average relative humidity is 76%.Rainfall
In Vannivilankulam, in January, it is raining for 11.3 days, with typically 30mm (1.18") of accumulated precipitation. In Vannivilankulam, during the entire year, the rain falls for 181.2 days and collects up to 849mm (33.43") of precipitation.Daylight
In January, the average length of the day is 11h and 40min.On the first day of the month, sunrise is at 06:23 and sunset at 17:59. On the last day of January, sunrise is at 06:29 and sunset at 18:13 +0530.
Sunshine
In January, the average sunshine is 8.6h.UV index
The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 7 suggests this advice:
Evade overexposure. Individuals with fair skin risk burning in under 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How hot is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Vannivilankulam have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the highest UV index?
What is the UV index intensity in January?
Average temperature in January
Vannivilankulam, Sri Lanka
- Average high temperature in January: 28.4°C
The warmest month (with the highest average high temperature) is April (31.4°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in January: 24°C
The month with the highest average low temperature is May (28.1°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).
Average pressure in January
Vannivilankulam, Sri Lanka
- Average pressure in January: 1012.2mbar
The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is June (1006.5mbar).
Average wind speed in January
Vannivilankulam, Sri Lanka
- Average wind speed in January: 20.6km/h
The windiest month (with the highest average wind speed) is June (32.4km/h).
The calmest month (with the lowest average wind speed) is April (15.4km/h).
Average humidity in January
Vannivilankulam, Sri Lanka
- Average humidity in January: 76%
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in January
Vannivilankulam, Sri Lanka
- Average rainfall in January: 30mm
The wettest month (with the highest rainfall) is November (207mm).
The driest month (with the least rainfall) is June (28mm).
Average rainfall days in January
Vannivilankulam, Sri Lanka
- Average rainfall days in January: 11.3 days
The months with the highest number of rainy days are October and November (23.8 days).
The month with the least rainy days is February (9.1 days).
Average daylight in January /
Average sunshine in January
Vannivilankulam, Sri Lanka
- Average daylight in January: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).
Average sunshine days in January
Vannivilankulam, Sri Lanka
- Average sunshine days in January: 16 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is November (4.4 days).
Average UV index in January
Vannivilankulam, Sri Lanka
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in January
Vannivilankulam, Sri Lanka
- Average cloud cover in January: 30
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 18).
Average visibility in January
Vannivilankulam, Sri Lanka
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
