January weather forecast
Minuwangoda, Sri Lanka

January

Weather in January

January in Minuwangoda, Sri Lanka, is a tropical winter month, with an average temperature varying between 30.8°C (87.4°F) and 22.8°C (73°F).

Temperature

At the onset of January, Minuwangoda records an average high-temperature of a tropical 30.8°C (87.4°F), showing little deviation from the preceding month. Minuwangoda experiences a nighttime temperature average of 22.8°C (73°F) during January.

Heat index

The average heat index in January is computed to be a very hot 38°C (100.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

January and February, with an average relative humidity of 73%, are the least humid months.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 29mm (1.14") of precipitation.

Daylight

In January, the average length of the day is 11h and 46min.
On the first day of January, sunrise is at 06:21 and sunset at 18:04. 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 in Minuwangoda.

UV index

The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: During January, 7 as the daily maximum UV index converts into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

How hot is it in January?
Minuwangoda in January has an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 22.8°C (73°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is computed to be 38°C (100.4°F).
What is the least humid month in Minuwangoda?
January and February, with an average relative humidity of 73%, are the least humid months.
What is the average humidity in January in Minuwangoda?
In January, the average relative humidity in Minuwangoda, Sri Lanka, is 73%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 29mm (1.14") of precipitation.
How much does it rain in January?
In January, the rain falls for 9.7 days. Throughout January, 29mm (1.14") of precipitation is accumulated.
How many hours of daylight does Minuwangoda have in January?
In January, the average day length is 11h and 46min.
What time are sunrise and sunset in January?
In January, on the first day of the month, sunrise is at 06:21 and sunset at 18:04. On the last day of the month, sunrise is at 06:29 and sunset at 18:18 +0530.
What are the months with the most sunshine in Minuwangoda?
The months with the most sunshine are January through April, with an average of 9.2h of sunshine.
How long on average sun shines in January in Minuwangoda?
The average sunshine duration in January is 9.2h.
What are the months with the highest UV index?
The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.
What is the UV index intensity in January?
In January, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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
Minuwangoda, 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).

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