January weather forecast
Madinnagoda, Sri Lanka

January in Madinnagoda, Sri Lanka, is a hot winter month, with temperature in the range of an average low of 23.1°C (73.6°F) and an average high of 30.8°C (87.4°F).

Temperature

January's onset brings an average high-temperature of a hot 30.8°C (87.4°F), showing a minute difference from December's 29.9°C (85.8°F). In January, Madinnagoda records an average nighttime temperature of 23.1°C (73.6°F).

Heat index

In January, the heat index is calculated to be a fiery hot 38°C (100.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

January and February, with an average relative humidity of 74%, are the least humid months.

Rainfall

The month with the least rainfall in Madinnagoda is January, when the rain falls for 11.6 days and typically collects 40mm (1.57") of precipitation.

Daylight

In Madinnagoda, the average length of the day in January is 11h and 46min.
On the first day of January in Madinnagoda, sunrise is at 06:21 and sunset at 18:05. On the last day of the month, sunrise is at 06:28 and sunset at 18:18 +0530.

Sunshine

With an average of 9.1h of sunshine, January has the most sunshine of the year.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 7 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.