January weather forecast
Penideniya, Sri Lanka

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Weather in January

January, like December, in Penideniya, Sri Lanka, is another warm winter month, with temperature in the range of an average low of 18.2°C (64.8°F) and an average high of 28.3°C (82.9°F).

Temperature

Penideniya records an average high-temperature of a still moderately hot 28.3°C (82.9°F) in January, maintaining a close correlation with December's 27.5°C (81.5°F). Penideniya reports a consistent average low-temperature of 18.2°C (64.8°F) throughout January nights.

Heat index

In January, the heat index is computed to be a tropical 33°C (91.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Penideniya, Sri Lanka, the average relative humidity in January is 80%.

Rainfall

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

Daylight

In Penideniya, the average length of the day in January is 11h and 46min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:02. On the last day of January, sunrise is at 06:26 and sunset at 18:15 +0530.

Sunshine

The average sunshine in January 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in January interprets into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 6, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is January in Penideniya?

The average high-temperature, in January, in Penideniya, is 28.3°C (82.9°F), while the average low-temperature is 18.2°C (64.8°F). In January, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 33°C (91.4°F).

What is the average humidity in January in Penideniya?

The average relative humidity in January in Penideniya, Sri Lanka, is 80%.

What is the driest month in Penideniya?

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

How many days does it rain in January in Penideniya?

In Penideniya, Sri Lanka, in January, during 14.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

How many hours of daylight does Penideniya have in January?

The average day length in January is 11h and 46min.

When is the sunrise / sunset in January in Penideniya?

On the first day of January in Penideniya, Sri Lanka, sunrise is at 06:19 and sunset at 18:02. On the last day of the month, sunrise is at 06:26 and sunset at 18:15 +0530.

How long on average sun shines in January in Penideniya?

The average sunshine duration in January in Penideniya, Sri Lanka, is 8.5h.

When is the highest UV index in Penideniya?

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

How high is the UV index in January in Penideniya?

The average daily maximum UV index in January in Penideniya, Sri Lanka, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Penideniya, Sri Lanka

Average temperature in January - Penideniya, 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
Penideniya, Sri Lanka

Average pressure in January - Penideniya, 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
Penideniya, Sri Lanka

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

Average humidity in January - Penideniya, 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
Penideniya, Sri Lanka

Average rainfall in January - Penideniya, 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
Penideniya, Sri Lanka

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

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

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

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

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

Average visibility in January - Penideniya, 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).

Penideniya, Sri Lanka

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