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
On the advent of January, Dunuwila's average high-temperature exhibits a minor adjustment to a still warm 28.3°C (82.9°F) from December's 27.5°C (81.5°F). Dunuwila, in January, observes a steady average low-temperature of 18.2°C (64.8°F).Heat index
The heat index in January is calculated to be a tropical 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Dunuwila, the average relative humidity in January is 80%.Rainfall
The month with the least rainfall in Dunuwila is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.Daylight
In Dunuwila, the average length of the day in January is 11h and 45min.On the first day of January in Dunuwila, sunrise is at 06:19 and sunset at 18:01. On the last day of the month, sunrise is at 06:26 and sunset at 18:14 +0530.
Sunshine
The average sunshine in January is 8.5h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in January interprets into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is January in Dunuwila?
What is the average humidity in January in Dunuwila?
What is the driest month in Dunuwila?
How much does it rain in Dunuwila in January?
What is the average length of the day in January in Dunuwila?
When are sunrise and sunset in January in Dunuwila?
How long on average sun shines in January in Dunuwila?
When is the highest UV index in Dunuwila?
What is the UV index reading in January in Dunuwila?
Average temperature in January
Dunuwila, Sri Lanka
- Average high temperature in January: 28.3°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).
- Average low temperature in January: 18.2°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).
Average pressure in January
Dunuwila, Sri Lanka
- Average pressure in January: 1011.8mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in January
Dunuwila, Sri Lanka
- Average wind speed in January: 7.7km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in January
Dunuwila, Sri Lanka
- Average humidity in January: 80%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall in January
Dunuwila, Sri Lanka
- Average rainfall in January: 38mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in January
Dunuwila, Sri Lanka
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).
Average daylight in January /
Average sunshine in January
Dunuwila, Sri Lanka
- Average daylight in January: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Dunuwila, Sri Lanka
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).
Average UV index in January
Dunuwila, Sri Lanka
- Average UV index in January: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in January
Dunuwila, Sri Lanka
- Average cloud cover in January: 34
The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).
Average visibility in January
Dunuwila, Sri Lanka
- Average visibility in January: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
