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
Weather in January
Temperature
Katuwapitiya records an average high-temperature of a tropical 30.8°C (87.4°F) in January, maintaining a close correlation with December's 29.9°C (85.8°F). Throughout January, the nighttime temperature in Katuwapitiya averages to a pleasant 22.8°C (73°F).Heat index
January's mean heat index is appraised at a fiery hot 38°C (100.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The months with the lowest humidity are January and February, with an average relative humidity of 73%.Rainfall
January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 29mm (1.14") of precipitation.Daylight
In Katuwapitiya, the average length of the day in January is 11h and 46min.On the first day of January in Katuwapitiya, sunrise is at 06:22 and sunset at 18:05. On the last day of the month, sunrise is at 06:29 and sunset at 18:18 +0530.
Sunshine
January through April, with an average of 9.2h of sunshine, are months with the most sunshine.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 in Katuwapitiya. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 7 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Katuwapitiya during January?
What is the least humid month in Katuwapitiya?
What is the average humidity in January in Katuwapitiya?
What is the driest month in Katuwapitiya?
How much does it rain in Katuwapitiya in January?
How many hours of daylight does Katuwapitiya have in January?
When is the sunrise / sunset in January in Katuwapitiya?
What is the month with the most sunshine in Katuwapitiya?
How long on average sun shines in January in Katuwapitiya?
What is the month with the highest UV index in Katuwapitiya?
How high is the UV index in January in Katuwapitiya?
Average temperature in January
Katuwapitiya, Sri Lanka
- Average high temperature in January: 30.8°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in January: 22.8°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in January
Katuwapitiya, Sri Lanka
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in January
Katuwapitiya, Sri Lanka
- Average wind speed in January: 16.2km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in January
Katuwapitiya, Sri Lanka
- Average humidity in January: 73%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in January
Katuwapitiya, Sri Lanka
- Average rainfall in January: 29mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in January
Katuwapitiya, Sri Lanka
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in January /
Average sunshine in January
Katuwapitiya, 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 months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in January
Katuwapitiya, Sri Lanka
- Average sunshine days in January: 20 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in January
Katuwapitiya, Sri Lanka
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover in January
Katuwapitiya, Sri Lanka
- Average cloud cover in January: 21
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in January
Katuwapitiya, Sri Lanka
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
Katuwapitiya, Sri Lanka
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