January weather forecast
Pamunuwa, Sri Lanka

January

Weather in January

January is a tropical winter month in Pamunuwa, Sri Lanka, with an average temperature varying between 23.1°C (73.6°F) and 30.8°C (87.4°F).

Temperature

Pamunuwa indicates an average high-temperature of a hot 30.8°C (87.4°F) in January, showing minor variation from December's 29.9°C (85.8°F). In the month of January, the average temperature dips to a warm 23.1°C (73.6°F) during the night.

Heat index

The heat index for January is appraised at a sweltering 38°C (100.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The months with the lowest humidity in Pamunuwa are January and February, with an average relative humidity of 74%.

Rainfall

January is the month with the least rainfall in Pamunuwa. Rain falls for 11.6 days and accumulates 40mm (1.57") of precipitation.

Daylight

In January, the average length of the day is 11h and 47min.
On the first day of the month, sunrise is at 06:21 and sunset at 18:05. On the last day of January, sunrise is at 06:28 and sunset at 18:18 +0530.

Sunshine

January has the most sunshine of the year, with an average of 9.1h of sunshine.

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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in January translates into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

Is it hot in Pamunuwa during January?
An average high-temperature, in January, in Pamunuwa, is 30.8°C (87.4°F) and the average low-temperature is 23.1°C (73.6°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in January is appraised at 38°C (100.4°F).
What is the least humid month in Pamunuwa?
The months with the lowest humidity in Pamunuwa are January and February, with an average relative humidity of 74%.
What is the average humidity in January in Pamunuwa?
In Pamunuwa, the average relative humidity in January is 74%.
What is the driest month in Pamunuwa?
January is the month with the least rainfall in Pamunuwa. Rain falls for 11.6 days and accumulates 40mm (1.57") of precipitation.
How many days does it rain in January in Pamunuwa?
In Pamunuwa, Sri Lanka, in January, it is raining for 11.6 days, with typically 40mm (1.57") of accumulated precipitation.
How many hours of daylight does Pamunuwa have in January?
In Pamunuwa, Sri Lanka, the average day length in January is 11h and 47min.
When is the sunrise / sunset in January in Pamunuwa?
In January, on the first day of the month, sunrise is at 06:21 and sunset at 18:05. On the last day of the month, sunrise is at 06:28 and sunset at 18:18 +0530.
What month has the most sunshine in Pamunuwa?
January has the most sunshine of the year in Pamunuwa, Sri Lanka, with an average of 9.1h of sunshine.
How long on average sun shines in January in Pamunuwa?
In Pamunuwa, Sri Lanka, the average sunshine duration in January is 9.1h.
What is the month with the highest UV index in Pamunuwa?
The months with the highest UV index in Pamunuwa, Sri Lanka, are January through April, July, September, November and December, with an average maximum UV index of 7.
How high is the UV index in January in Pamunuwa?
In Pamunuwa, Sri Lanka, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Pamunuwa, Sri Lanka
  • Average high temperature in January: 30.8°C

The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).

  • Average low temperature in January: 23.1°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

Average pressure in January
Pamunuwa, Sri Lanka
  • Average pressure in January: 1011.6mbar

The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in January
Pamunuwa, Sri Lanka
  • Average wind speed in January: 12.8km/h

The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).

Average humidity in January
Pamunuwa, Sri Lanka
  • Average humidity in January: 74%

The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).

Average rainfall in January
Pamunuwa, Sri Lanka
  • Average rainfall in January: 40mm

The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in January
Pamunuwa, Sri Lanka
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).

Average daylight in January /
Average sunshine in January
Pamunuwa, 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 month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in January
Pamunuwa, Sri Lanka
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).

Average UV index in January
Pamunuwa, 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
Pamunuwa, Sri Lanka
  • Average cloud cover in January: 24

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).

Average visibility in January
Pamunuwa, Sri Lanka
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).

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