January weather forecast
Pupuressa, Sri Lanka

January

Weather in January

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

Temperature

January's advent presents an average high-temperature of a still warm 28.3°C (82.9°F), indicating a slight variation from the conditions of the previous month. In Pupuressa, January is marked by an average low-temperature of 18.2°C (64.8°F).

Heat index

Throughout January, the heat index is estimated at a hot 33°C (91.4°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in January is 80%.

Rainfall

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

Daylight

In Pupuressa, the average length of the day in January is 11h and 46min.
On the first day of January, 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.

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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot does it get in January?
The average high-temperature, in January, in Pupuressa, 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. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 33°C (91.4°F).
What is the average humidity in January?
In January, the average relative humidity is 80%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 14.1 days and accumulates 38mm (1.5") of precipitation.
How many days does it rain in January?
In January, the rain falls for 14.1 days. Throughout January, 38mm (1.5") of precipitation is accumulated.
How many hours of daylight does Pupuressa have in January?
In Pupuressa, the average day length in January is 11h and 46min.
What time are sunrise and sunset in January?
In January, on the first day of the month, sunrise is at 06:19 and sunset at 18:02. On the last day of the month, sunrise is at 06:26 and sunset at 18:15 +0530.
How many hours of sunshine does Pupuressa have in January?
In January, the average sunshine duration in Pupuressa is 8.5h.
When is the highest UV index?
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in January?
In January, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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
Pupuressa, 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).

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