January weather forecastRoja, Latvia

January

Weather in January

January, the same as December, in Roja, Latvia, is another subzero cold winter month, with an average temperature varying between -3°C (26.6°F) and -0.3°C (31.5°F).

Temperature

January and February are the coldest months, with an average high-temperature of -0.3°C (31.5°F).

Humidity

January and February, with an average relative humidity of 88%, are the most humid months.

Rainfall

In Roja, in January, during 8.1 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, there are 139.3 rainfall days, and 295mm (11.61") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12.9 days and typically aggregates up to 45mm (1.77") of snow.

Daylight

The average length of the day in January is 7h and 26min.
On the first day of the month, sunrise is at 09:10 and sunset at 15:53. On the last day of January, sunrise is at 08:32 and sunset at 16:51 EET.

Sunshine

In January, the average sunshine is 2.5h.

UV index

The months with the lowest UV index are January, March and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

January and February mark Roja's lowest temperatures, averaging a high-temperature of -0.3°C (31.5°F).

The high-temperature during January is -0.3°C (31.5°F) and the low-temperature is -3°C (26.6°F).

The months with the highest humidity are January and February, with an average relative humidity of 88%.

In January, the average relative humidity is 88%.

In Roja, in January, during 8.1 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

The month with the most snowfall in Roja is January, when snow falls for 12.9 days and typically aggregates up to 45mm (1.77") of snow.

In Roja, Latvia, in January, snow falls for 12.9 days, with typically accumulated 45mm (1.77") of snow.

In January, the average day length is 7h and 26min.

In January, on the first day of the month, sunrise is at 09:10 and sunset at 15:53. On the last day of the month, sunrise is at 08:32 and sunset at 16:51 EET.

The average sunshine duration in January is 2.5h.

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

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Roja, Latvia

  • Average high temperature in January: -0.3°C

The warmest month (with the highest average high temperature) is July (20.6°C).
The months with the lowest average high temperature are January and February (-0.3°C).

  • Average low temperature in January: -3°C

The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-3°C).

Average pressure in January
Roja, Latvia

  • Average pressure in January: 1013.1mbar

The month with the highest atmospheric pressure is October (1015.6mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).

Average wind speed in January
Roja, Latvia

  • Average wind speed in January: 22km/h

The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is May (15.5km/h).

Average humidity in January
Roja, Latvia

  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are May, June, July and August (75%).

Average rainfall in January
Roja, Latvia

  • Average rainfall in January: 17mm

The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in January
Roja, Latvia

  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7 days).

Average snowfall in January
Roja, Latvia

  • Average snowfall in January: 45mm

The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in January
Roja, Latvia

  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Roja, Latvia

  • Average daylight in January: 7h and 24min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in January: 2h and 30min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).

Average sunshine days in January
Roja, Latvia

  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is July (11 days).

Average UV index in January
Roja, 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, March and December (UV index 1).

Average cloud cover in January
Roja, Latvia

  • Average cloud cover in January: 74

The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Roja, Latvia

  • Average visibility in January: 9km

The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).