Riga
Latvia
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Riga, Latvia

A sunny day in Riga, Latvia, with a view of the river and a clear skyscape
A sunny day in Riga, Latvia, with a view of the river and a clear skyscape
January, like December, is another subzero cold winter month in Riga, Latvia, with temperature in the range of an average high of -2.3°C (27.9°F) and an average low of -7.8°C (18°F).

Temperature

With an average high-temperature of -2.3°C (27.9°F) and an average low-temperature of -7.8°C (18°F), January is the coldest month.

Humidity

In January, the average relative humidity in Riga is 87.9%.

Rainfall

In Riga, in January, during 21.5 rainfall days, 33.7mm (1.3") of precipitation is typically accumulated. In Riga, during the entire year, the rain falls for 185.7 days and collects up to 621.9mm (24.5") of precipitation.

Sea temperature

In January, the average sea temperature in Riga is 2°C (35.6°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In Riga, Latvia, the average length of the day is 7.5h.

Sunshine

The average sunshine in Riga is 1h.

UV index

January, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Riga. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 0 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Riga?

The coldest month in Riga is January, with an average high-temperature of -2.3°C (27.9°F) and an average low-temperature of -7.8°C (18°F).

What is the temperature in January in Riga?

In Riga, Latvia, in January, the average high-temperature is -2.3°C (27.9°F), and the average low-temperature is -7.8°C (18°F).

What is the average humidity in January in Riga?

In Riga, Latvia, the average relative humidity in January is 87.9%.

How many days does it rain in January in Riga?

In January, the rain falls for 21.5 days. Throughout January, 33.7mm (1.3") of precipitation is accumulated.

What is the sea temperature in January in Riga?

In January, the average sea temperature in Riga, Latvia, is 2°C (35.6°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Riga have in January?

In Riga, Latvia, the average length of the day in January is 7.5h.

How many hours of sunshine does Riga have in January?

In January, the average sunshine in Riga, Latvia, is 1h.

When is the lowest UV index in Riga?

Months with the lowest UV index in Riga, Latvia, are January, November and December, with an average maximum UV index of 0.

How high is the UV index in January in Riga?

In Riga, Latvia, the average daily maximum UV index in January is 0. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in January - Riga, Latvia
  • Average high temperature in January: -2.3°C

The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in January: -7.8°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).

Average humidity in January - Riga, Latvia
  • Average humidity in January: 87.9%

The month with the highest relative humidity is November (90.2%).
The month with the lowest relative humidity is May (67.7%).

Average rainfall in January - Riga, Latvia
  • Average rainfall in January: 33.7mm

The wettest month (with the highest rainfall) is September (78.9mm).
The driest month (with the lowest rainfall) is February (27mm).

Average rainfall days in January - Riga, Latvia
  • Average rainfall days in January: 21.5 days

The month with the highest number of rainy days is January (21.5 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in January - Riga, Latvia
  • Average sea temperature in January: 2°C

The best month for swimming (with the highest average sea temperature) is August (17°C).
Coldest months (with the lowest average sea temperature) are February and March (1°C).

Average daylight in January / Average sunshine in January - Riga, Latvia
  • Average daylight in January: 7.5h

The month with the longest days is June (Average daylight: 17.8h).
The month with shortest days is December (Average daylight: 6.9h).

  • Average sunshine in January: 1h

The month with most sunshine is June (Average sunshine: 9.6h).
The month with least sunshine is December (Average sunshine: 0.7h).

Average UV index in January - Riga, Latvia
  • Average UV index in January: 0

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, November and December (UV index 0).