January Weather in Roja, Latvia

Last updated: August 23, 2025

In January, the average temperature in Roja, Latvia hovers around 0°C (33°F). Expect a chilly range with a minimum of -12°C (11°F) and a maximum of 8°C (47°F). During this time, you can anticipate about 43 mm (1.7 in) of precipitation spread over 11 days, contributing to an average humidity level of 93%. Stay warm and prepared for brisk, damp days!

January Temperature in Roja

In January in Roja, the average temperature is 0°C (33°F). Maximums can reach 8°C (47°F) and minimums can drop as low as -12°C (11°F). Be prepared for cold weather and dress warmly if you're traveling during this time.

January Weather in Roja: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Roja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roja, January typically has an average temperature of 0°C (33°F), with highs reaching up to 8°C (47°F) and lows dropping to around -12°C (11°F).

Data source: Temperature data for Roja generated using information from the Copernicus Climate Change Service.

January Precipitation in Roja

In Roja in January, the total precipitation amount is 43 mm (1.7 in) recorded over a span of 11 days.

January Precipitation Trends in Roja

The chart displays monthly precipitation patterns in Roja, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Roja, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Roja

In Roja in January, humidity is 93%. With an average temperature of 0°C (33°F), this humidity feels like an incredibly damp chill that seeps into your bones, making outdoor travel uncomfortable and challenging, as it creates a heavy atmosphere that can dampen your spirits and energy.

January Average Humidity in Roja

This chart illustrates the average monthly humidity levels in Roja, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Roja is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Roja

In Roja in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Roja.

Maximum UV Index Levels in Roja for January

The chart shows the monthly maximum UV Index (UVI) for Roja in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Roja typically reaches 1, which falls under the low exposure category.

Data source: Roja January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Roja Compares to Other Months

Weather in Roja varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Roja, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Roja, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	43 mm (1.7 inches)	93%	low
February Weather	0°C (31°F)	41 mm (1.6 inches)	91%	low
March Weather	1°C (35°F)	48 mm (1.9 inches)	90%	moderate
April Weather	5°C (41°F)	36 mm (1.4 inches)	87%	moderate
May Weather	10°C (50°F)	42 mm (1.7 inches)	72%	high
June Weather	16°C (61°F)	54 mm (2.1 inches)	76%	high
July Weather	18°C (65°F)	76 mm (3.0 inches)	76%	high
August Weather	18°C (64°F)	87 mm (3.4 inches)	80%	high
September Weather	14°C (58°F)	79 mm (3.1 inches)	87%	moderate
October Weather	10°C (50°F)	91 mm (3.6 inches)	91%	low
November Weather	6°C (42°F)	75 mm (3.0 inches)	92%	low
December Weather	1°C (35°F)	56 mm (2.2 inches)	93%	low