January Weather in Onega, Russian Federation

Last updated: August 27, 2025

In January, the average temperature in Onega, Russian Federation hovers around -7°C (20°F). The month brings some extremes, with minimum temperatures plunging as low as -29°C (-21°F) and peaks reaching 2°C (36°F). Expect 51 mm (2.0 in) of precipitation spread across 14 days, accompanied by a remarkable 100% humidity, making it a truly chilly experience.

January Temperature in Onega

In January in Onega, the average temperature is -7°C (20°F), with maximums reaching 2°C (36°F) and minimums dipping as low as -29°C (-21°F). Be sure to pack plenty of warm layers if you plan to travel during this chilly season!

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

The chart illustrates January temperature patterns in Onega, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onega, January typically has an average temperature of -7°C (20°F), with highs reaching up to 2°C (36°F) and lows dropping to around -29°C (-21°F).
JanFebMarAprMayJunJulAugSepOctNovDec191724334456625850403223
Data source: Temperature data for Onega generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Onega

In Onega in January, the precipitation amount is 51 mm (2.0 in) over the course of 14 days.

January Precipitation Trends in Onega

The chart displays monthly precipitation patterns in Onega, 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 Onega, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec514548384556871171141147260
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Onega

In Onega in January, humidity is 100%. With an average temperature of -7°C (20°F), this humidity feels like an icy suffocation, making travel cumbersome as you battle both the chill and the dampness that clings to your skin, creating an overwhelming sense of discomfort.

January Average Humidity in Onega

This chart illustrates the average monthly humidity levels in Onega, 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 Onega is approximately 100%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%98%94%88%82%78%81%87%90%95%98%97%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Onega

In Onega 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 Onega.

Maximum UV Index Levels in Onega for January

The chart shows the monthly maximum UV Index (UVI) for Onega 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 Onega typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Onega 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 Onega Compares to Other Months

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

This table compares monthly weather conditions in Onega, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)51 mm (2.0 inches)100%low
February Weather-8°C (18°F)45 mm (1.8 inches)98%low
March Weather-4°C (24°F)48 mm (1.9 inches)94%low
April Weather1°C (33°F)38 mm (1.5 inches)88%moderate
May Weather7°C (44°F)45 mm (1.8 inches)82%moderate
June Weather13°C (56°F)56 mm (2.2 inches)78%high
July Weather16°C (62°F)87 mm (3.4 inches)81%high
August Weather15°C (59°F)117 mm (4.6 inches)87%moderate
September Weather10°C (51°F)114 mm (4.5 inches)90%moderate
October Weather5°C (40°F)114 mm (4.5 inches)95%low
November Weather0°C (32°F)72 mm (2.8 inches)98%low
December Weather-5°C (23°F)60 mm (2.4 inches)97%low

Compare Onega's Climate with Cities Worldwide