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 notes an average high-temperature of a still warm 29.1°C (84.4°F), subtly differing from December's 29°C (84.2°F). During the January nights, Hettigoda's temperature maintains an average close to the daytime highs, settling at a still moderately hot 24.1°C (75.4°F).Heat index
The heat index in January is calculated to be a hot 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
January through March, with an average relative humidity of 77%, are the least humid months.Rainfall
January is the month with the least rainfall. Rain falls for 15.7 days and accumulates 37mm (1.46") of precipitation.Daylight
The average length of the day in January is 11h and 47min.On the first day of January, sunrise is at 06:20 and sunset at 18:05. On the last day of the month, sunrise is at 06:28 and sunset at 18:18 +0530.
Sunshine
In Hettigoda, the average sunshine in January is 9.2h.UV index
January through April, July, August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 7 during January morphs into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in January?
What is the least humid month in Hettigoda?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many hours of daylight does Hettigoda have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the highest UV index?
What is the UV index reading in January?
Average temperature in January
Hettigoda, Sri Lanka
- Average high temperature in January: 29.1°C
The warmest month (with the highest average high temperature) is April (30.3°C).
The month with the lowest average high temperature is September (28.5°C).
- Average low temperature in January: 24.1°C
The month with the highest average low temperature is May (27.1°C).
The coldest month (with the lowest average low temperature) is January (24.1°C).
Average pressure in January
Hettigoda, Sri Lanka
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is January (1011.3mbar).
The month with the lowest atmospheric pressure is May (1009mbar).
Average wind speed in January
Hettigoda, Sri Lanka
- Average wind speed in January: 8.7km/h
The windiest month (with the highest average wind speed) is June (21.7km/h).
The calmest month (with the lowest average wind speed) is January (8.7km/h).
Average humidity in January
Hettigoda, Sri Lanka
- Average humidity in January: 77%
The months with the highest relative humidity are June and September (81%).
The months with the lowest relative humidity are January, February and March (77%).
Average rainfall in January
Hettigoda, Sri Lanka
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is May (263mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in January
Hettigoda, Sri Lanka
- Average rainfall days in January: 15.7 days
The months with the highest number of rainy days are June and August (28.3 days).
The month with the least rainy days is February (15.4 days).
Average daylight in January /
Average sunshine in January
Hettigoda, Sri Lanka
- Average daylight in January: 11h and 5min
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: 9h and 1min
The month with the most sunshine is April (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in January
Hettigoda, Sri Lanka
- Average sunshine days in January: 12 days
The month with the most sunshine days is January (12 days).
The month with the least sunshine days is June (0.3 days).
Average UV index in January
Hettigoda, Sri Lanka
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May, June and September (UV index 6).
Average cloud cover in January
Hettigoda, Sri Lanka
- Average cloud cover in January: 26
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in January
Hettigoda, Sri Lanka
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).
