January weather forecast
Riga, Latvia

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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

Weather in January

In Riga, Latvia, January begins the new year with a chill, blanketing the city with snow and sending residents indoors. Cold and crisp, January sees temperatures consistently drop below freezing. Along with the cold comes an increase in humidity, which brings with it frequent periods of snowfall. The month marks one of the snowiest periods of the year, with 84mm (3.31") of snow recorded. Frigid and frosty, with short daylight hours, it promises a true winter wonderland, but those venturing outdoors require proper winter attire.

Temperature

Riga experiences its lowest temperatures in January, with an average peak of -1.3°C (29.7°F) and a low of -4.8°C (23.4°F).

Humidity

January and February, with an average relative humidity of 90%, are the most humid months.

Rainfall

In Riga, in January, during 7.4 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Riga, during the entire year, the rain falls for 142 days and collects up to 382mm (15.04") of precipitation.

Snowfall

Months with snowfall in Riga are January through April, October through December. January is the month with the most snowfall in Riga. Snow falls for 13.8 days and accumulates 84mm (3.31") of snow.

Sea temperature

In January, the average sea temperature in Riga is 2°C (35.6°F).
Note: During swimming sessions, this situation poses an instant life risk. The control of breathing is completely lost, hampering clear thinking. Wearing a specialized swimsuit is a necessity to prevent thermal loss.

Daylight

In January, the average length of the day is 7h and 32min.
On the first day of the month, sunrise is at 09:01 and sunset at 15:52. On the last day of January, in Riga, sunrise is at 08:25 and sunset at 16:48 EET.

Sunshine

The average sunshine in January is 2.4h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Riga. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 1, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest month in Riga?

January, recording an average high temperature of -1.3°C (29.7°F) and a low temperature of -4.8°C (23.4°F), is Riga's coldest month.

How cold is January in Riga?

In Riga, -1.3°C (29.7°F) is the average high-temperature and -4.8°C (23.4°F) is the average low-temperature during January.

What are the most humid months in Riga?

January and February, with an average relative humidity of 90%, are most humid months.

What is the average humidity in January in Riga?

In January, the average relative humidity in Riga, Latvia, is 90%.

How much does it rain in Riga in January?

In Riga, Latvia, in January, it is raining for 7.4 days, with typically 25mm (0.98") of accumulated precipitation.

What is the snowiest month in Riga?

January is the month with the most snowfall in Riga. Snow falls for 13.8 days and accumulates 84mm (3.31") of snow.

How much does it snow in Riga in January?

In Riga, Latvia, during January, snow falls for 13.8 days and regularly aggregates up to 84mm (3.31") of snow.

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 very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Riga have in January?

In Riga, Latvia, the average day length in January is 7h and 32min.

When is the sunrise / sunset in January in Riga?

On the first day of January, sunrise is at 09:01 and sunset at 15:52. On the last day of the month, sunrise is at 08:25 and sunset at 16:48 EET.

How long on average sun shines in January in Riga?

In January, the average sunshine duration is 2.4h.

When is the lowest UV index in Riga?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.

What is the UV index reading in January in Riga?

In Riga, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Riga, Latvia

Average temperature in January - Riga, Latvia
  • Average high temperature in January: -1.3°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in January: -4.8°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in January
Riga, Latvia

Average pressure in January - Riga, Latvia
  • Average pressure in January: 1013.7mbar

The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).

Average wind speed in January
Riga, Latvia

Average wind speed in January - Riga, Latvia
  • Average wind speed in January: 17.1km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

Average humidity in January
Riga, Latvia

Average humidity in January - Riga, Latvia
  • Average humidity in January: 90%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (72%).

Average rainfall in January
Riga, Latvia

Average rainfall in January - Riga, Latvia
  • Average rainfall in January: 25mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in January
Riga, Latvia

Average rainfall days in January - Riga, Latvia
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (6 days).

Average snowfall in January
Riga, Latvia

Average snowfall in January - Riga, Latvia
  • Average snowfall in January: 84mm

The month with the highest snowfall is January (84mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in January
Riga, Latvia

Average snowfall days in January - Riga, Latvia
  • Average snowfall days in January: 13.8 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in January
Riga, Latvia

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).
The 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 / Average sunshine in January - Riga, Latvia
  • Average daylight in January: 7h and 3min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in January: 2h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in January
Riga, Latvia

Average sunshine days in January - Riga, Latvia
  • Average sunshine days in January: 11.8 days

The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (10.1 days).

Average UV index in January
Riga, Latvia

Average UV index in January - Riga, Latvia
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in January
Riga, Latvia

Average cloud cover in January - Riga, Latvia
  • Average cloud cover in January: 76

The month with the most cloud cover is December (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in January
Riga, Latvia

Average visibility in January - Riga, Latvia
  • Average visibility in January: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

Riga, Latvia

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