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
The shift into January uncovers an average high-temperature of a still warm 28.3°C (82.9°F), subtly different from the previous month. January brings Unambuwa a consistent average low-temperature of 18.2°C (64.8°F).Heat index
The average heat index in January is calculated to be a hot 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. 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 highly critical for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In January, the average relative humidity in Unambuwa, Sri Lanka, is 80%.Rainfall
January is the month with the least rainfall. Rain falls for 14.1 days and accumulates 38mm (1.5") of precipitation.Daylight
In Unambuwa, Sri Lanka, the average length of the day in January is 11h and 46min.On the first day of the month, sunrise is at 06:19 and sunset at 18:02. On the last day of January, sunrise is at 06:26 and sunset at 18:15 +0530.
Sunshine
The average sunshine in January is 8.5h.UV index
The months with the highest UV index in Unambuwa are January through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Unambuwa in January?
What is the average humidity in January in Unambuwa?
What is the driest month in Unambuwa?
How much does it rain in Unambuwa in January?
How many hours of daylight does Unambuwa have in January?
What time are sunrise and sunset in January in Unambuwa?
How many hours of sunshine does Unambuwa have in January?
When is the highest UV index in Unambuwa?
What is the UV index reading in January in Unambuwa?
Average temperature in January
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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: 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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).
