Lahti
Finland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Lahti, Finland

December, the first month of the winter, in Lahti, is still a freezing cold month, with temperature in the range of an average low of -7.8°C (18°F) and an average high of -1.1°C (30°F).

Temperature

In Lahti, the average high-temperature is relatively the same as in November - a freezing cold -1.1°C (30°F). In Lahti, Finland, in December, the average low-temperature is -7.8°C (18°F).

Rainfall

In December, in Lahti, the rain falls for 11 days. Throughout December, 50mm (2") of precipitation is accumulated. In Lahti, during the entire year, the rain falls for 144 days and collects up to 650mm (25.6") of precipitation.

Daylight

With an average of 5.7h of daylight, December has the shortest days of the year in Lahti, Finland.

What is the temperature in December in Lahti?

In December, in Lahti, the average high-temperature is -1.1°C (30°F), and the average low-temperature is -7.8°C (18°F).

How many days does it rain in December in Lahti?

In December, in Lahti, the rain falls for 11 days. Throughout December, 50mm (2") of precipitation is accumulated.

What is the month with the shortest days in Lahti?

The month with the shortest days in Lahti is December, with an average of 5.7h of daylight.

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

In Lahti, Finland, the average length of the day in December is 5.7h.
Average temperature in December - Lahti, Finland
  • Average high temperature in December: -1.1°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is February (-2.8°C).

  • Average low temperature in December: -7.8°C

The month with the highest average low temperature is July (11.1°C).
The coldest month (with the lowest average low temperature) is February (-12.2°C).

Average rainfall in December - Lahti, Finland
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is August (80mm).
Driest months (with the lowest rainfall) are February and April (30mm).

Average rainfall days in December - Lahti, Finland
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is October (17 days).
The month with the lowest number of rainy days is February (8 days).

Average daylight in December - Lahti, Finland
  • Average daylight in December: 5.7h

The month with the longest days is June (Average daylight: 19.1h).
The month with shortest days is December (Average daylight: 5.7h).