January weather forecast
Galahitiyawa, Sri Lanka

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Weather in January

January is a tropical winter month in Galahitiyawa, Sri Lanka, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 30.8°C (87.4°F).

Temperature

Galahitiyawa, Sri Lanka, marks the arrival of January with an average high-temperature of a tropical 30.8°C (87.4°F), hardly different from December's 29.9°C (85.8°F). Galahitiyawa records a consistent low-temperature of 22.8°C (73°F) during January nights.

Heat index

The heat index for January is computed to be a torrid 38°C (100.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

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 45min.
On the first day of January, sunrise is at 06:22 and sunset at 18:04. On the last day of the month, sunrise is at 06:28 and sunset at 18:17 +0530.

Sunshine

January through April, with an average of 9.2h of sunshine, are months with the most sunshine in Galahitiyawa.

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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 7 turns into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is it in Galahitiyawa in January?

In Galahitiyawa, 30.8°C (87.4°F) is the average high-temperature and 22.8°C (73°F) is the average low-temperature during January. In January, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 38°C (100.4°F).

What is the least humid month in Galahitiyawa?

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

What is the average humidity in January in Galahitiyawa?

In January, the average relative humidity in Galahitiyawa, Sri Lanka, is 73%.

What is the driest month in Galahitiyawa?

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

How many days does it rain in January in Galahitiyawa?

In January, in Galahitiyawa, the rain falls for 9.7 days. Throughout January, 29mm (1.14") of precipitation is accumulated.

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

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

When are sunrise and sunset in January in Galahitiyawa?

On the first day of January in Galahitiyawa, sunrise is at 06:22 and sunset at 18:04. On the last day of the month, sunrise is at 06:28 and sunset at 18:17 +0530.

What are the months with the most sunshine in Galahitiyawa?

The months with the most sunshine in Galahitiyawa are January through April, with an average of 9.2h of sunshine.

How long on average sun shines in January in Galahitiyawa?

The average sunshine duration in January is 9.2h.

When is the highest UV index in Galahitiyawa?

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Galahitiyawa.

What is the UV index intensity in January in Galahitiyawa?

In January, the average daily maximum UV index in Galahitiyawa is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in January
Galahitiyawa, Sri Lanka

Average temperature in January - Galahitiyawa, 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
Galahitiyawa, Sri Lanka

Average pressure in January - Galahitiyawa, 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
Galahitiyawa, Sri Lanka

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

Average humidity in January - Galahitiyawa, 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
Galahitiyawa, Sri Lanka

Average rainfall in January - Galahitiyawa, 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
Galahitiyawa, Sri Lanka

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

Average daylight in January / Average sunshine in January - Galahitiyawa, Sri Lanka
  • Average daylight in January: 11h and 4min

The month with the longest days is June (Average daylight: 12h and 36min).
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
Galahitiyawa, Sri Lanka

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

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

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

Average visibility in January - Galahitiyawa, 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).

Galahitiyawa, Sri Lanka

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