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
Weragantota's average high-temperature in January is a still warm 28.3°C (82.9°F), indicating a subtle variation from December. In the month of January, the nighttime temperature dips to a steady average of 18.2°C (64.8°F).Heat index
Throughout January, the heat index is calculated to be a tropical 33°C (91.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In January, the average relative humidity 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 January, the average length of the day in Weragantota is 11h and 45min.On the first day of January in Weragantota, sunrise is at 06:18 and sunset at 18:00. On the last day of the month, sunrise is at 06:25 and sunset at 18:13 +0530.
Sunshine
In Weragantota, the average sunshine in January is 8.5h.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Weragantota. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 6 suggests these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Weragantota during January?
What is the average humidity in January in Weragantota?
What is the driest month in Weragantota?
How many days does it rain in January in Weragantota?
How many hours of daylight does Weragantota have in January?
When is the sunrise / sunset in January in Weragantota?
How long on average sun shines in January in Weragantota?
When is the highest UV index in Weragantota?
How high is the UV index in January in Weragantota?
Average temperature in January
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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
Weragantota, 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).
