January weather forecast
Aswalapitiya, Sri Lanka

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Weather in January

January, like December, in Aswalapitiya, Sri Lanka, is another warm winter month, with an average temperature fluctuating between 28.3°C (82.9°F) and 18.2°C (64.8°F).

Temperature

With January's arrival, Aswalapitiya notes an average high-temperature of a still warm 28.3°C (82.9°F), closely following the trend of the preceding month. Aswalapitiya, in the month of January, anticipates a consistent average low-temperature of 18.2°C (64.8°F).

Heat index

For most parts of January, the heat index is computed to be a hot 33°C (91.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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.

Humidity

In Aswalapitiya, the average relative humidity in January is 80%.

Rainfall

The month with the least rainfall in Aswalapitiya is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.

Daylight

In January, the average length of the day is 11h and 45min.
On the first day of January in Aswalapitiya, sunrise is at 06:19 and sunset at 18:01. On the last day of the month, sunrise is at 06:26 and sunset at 18:14 +0530.

Sunshine

In January, the average sunshine is 8.5h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in January interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

How hot is it in Aswalapitiya in January?

Aswalapitiya in January has an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 18.2°C (64.8°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in January is computed to be 33°C (91.4°F).

What is the average humidity in January in Aswalapitiya?

In January, the average relative humidity in Aswalapitiya is 80%.

What is the driest month in Aswalapitiya?

January is the month with the least rainfall. Rain falls for 14.1 days and accumulates 38mm (1.5") of precipitation.

How much does it rain in Aswalapitiya in January?

In Aswalapitiya, Sri Lanka, during January, the rain falls for 14.1 days and regularly aggregates up to 38mm (1.5") of precipitation.

What is the average length of the day in January in Aswalapitiya?

The average day length in January in Aswalapitiya, Sri Lanka, is 11h and 45min.

When is the sunrise / sunset in January in Aswalapitiya?

In January, on the first day of the month, sunrise is at 06:19 and sunset at 18:01. On the last day of the month, in Aswalapitiya, Sri Lanka, sunrise is at 06:26 and sunset at 18:14 +0530.

How long on average sun shines in January in Aswalapitiya?

The average sunshine duration in January in Aswalapitiya is 8.5h.

What is the month with the highest UV index in Aswalapitiya?

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Aswalapitiya.

What is the UV index reading in January in Aswalapitiya?

In January, the average daily maximum UV index in Aswalapitiya is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Aswalapitiya, Sri Lanka

Average temperature in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average pressure in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average wind speed in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average humidity in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average rainfall in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average rainfall days in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average daylight in January / Average sunshine in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average sunshine days in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average UV index in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average cloud cover in January - Aswalapitiya, 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
Aswalapitiya, Sri Lanka

Average visibility in January - Aswalapitiya, 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).

Aswalapitiya, Sri Lanka

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