Gampaha
Sri Lanka
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Gampaha, Sri Lanka

The first month of the winter, December, is also a hot month in Gampaha, Sri Lanka, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 30.1°C (86.2°F).

Temperature

December is the coldest month, with an average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 22.2°C (72°F).

Rainfall

In Gampaha, in December, 152mm (6") of precipitation is typically accumulated. Throughout the year, in Gampaha, 2398mm (94.4") of rain is accumulated.

Daylight

December has the shortest days of the year, with an average of 11.7h of daylight.

What is the coldest month in Gampaha?

The coldest month in Gampaha is December, with an average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 22.2°C (72°F).

What is the temperature in December in Gampaha?

The average high-temperature, in December, is 30.1°C (86.2°F), while the average low-temperature is 22.2°C (72°F).

How much does it rain in Gampaha in December?

Throughout December, in Gampaha, Sri Lanka, 152mm (6") of precipitation is accumulated.

What is the month with the shortest days in Gampaha?

The month with the shortest days in Gampaha is December, with an average of 11.7h of daylight.

What is the average length of the day in December in Gampaha?

The average length of the day in December in Gampaha is 11.7h.
Average temperature in December - Gampaha, Sri Lanka
  • Average high temperature in December: 30.1°C

The warmest month (with the highest average high temperature) is March (32.7°C).
The month with the lowest average high temperature is December (30.1°C).

  • Average low temperature in December: 22.2°C

The month with the highest average low temperature is May (25.1°C).
The coldest month (with the lowest average low temperature) is January (21.7°C).

Average rainfall in December - Gampaha, Sri Lanka
  • Average rainfall in December: 152mm

The wettest month (with the highest rainfall) is October (365mm).
The driest month (with the lowest rainfall) is January (62mm).

Average daylight in December - Gampaha, Sri Lanka
  • Average daylight in December: 11.7h

Months with the longest days are May, June and July (Average daylight: 12.5h).
The month with shortest days is December (Average daylight: 11.7h).