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January Weather in Jaerva-Jaani, Estonia

Last updated: August 23, 2025

In January, the average temperature in Jaerva-Jaani, Estonia hovers around -3°C (27°F), with a minimum dropping to -22°C (-8°F) and a maximum peaking at 7°C (45°F). Expect about 42 mm (1.7 in) of precipitation over 11 days, contributing to a high average humidity of 95%. Stay warm and prepare for the damp conditions!

January Temperature in Jaerva-Jaani

In January in Jaerva-Jaani, the average temperature is -3°C (27°F), with maximums reaching 7°C (45°F) and minimums plummeting to -22°C (-8°F). Travelers should be prepared for cold weather conditions and pack accordingly.

January Weather in Jaerva-Jaani: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Jaerva-Jaani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaerva-Jaani, January typically has an average temperature of -3°C (27°F), with highs reaching up to 7°C (45°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec272631405061636154443729
Data source: Temperature data for Jaerva-Jaani generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Jaerva-Jaani

In Jaerva-Jaani in January, the precipitation amount is 42 mm (1.7 in) spread over 11 days.

January Precipitation Trends in Jaerva-Jaani

The chart displays monthly precipitation patterns in Jaerva-Jaani, 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 Jaerva-Jaani, January typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec424649475266719969815559
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Jaerva-Jaani

In Jaerva-Jaani in January, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.

January Average Humidity in Jaerva-Jaani

This chart illustrates the average monthly humidity levels in Jaerva-Jaani, 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 Jaerva-Jaani is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%90%87%73%77%80%84%89%93%93%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Jaerva-Jaani

In Jaerva-Jaani 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 Jaerva-Jaani.

Maximum UV Index Levels in Jaerva-Jaani for January

The chart shows the monthly maximum UV Index (UVI) for Jaerva-Jaani 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 Jaerva-Jaani typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Jaerva-Jaani 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 Jaerva-Jaani Compares to Other Months

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

This table compares monthly weather conditions in Jaerva-Jaani, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)42 mm (1.7 inches)95%low
February Weather-3°C (26°F)46 mm (1.8 inches)93%low
March Weather-1°C (31°F)49 mm (1.9 inches)90%moderate
April Weather4°C (40°F)47 mm (1.8 inches)87%moderate
May Weather10°C (51°F)52 mm (2.1 inches)73%moderate
June Weather16°C (61°F)66 mm (2.6 inches)77%high
July Weather17°C (64°F)71 mm (2.8 inches)80%high
August Weather16°C (61°F)99 mm (3.9 inches)84%high
September Weather12°C (54°F)69 mm (2.7 inches)89%moderate
October Weather7°C (45°F)81 mm (3.2 inches)92%low
November Weather3°C (37°F)55 mm (2.2 inches)93%low
December Weather-2°C (29°F)59 mm (2.3 inches)93%low

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