January Weather in Terryville, United States

Last updated: June 24, 2025

In Terryville, United States, the average temperature in January hovers around -2°C (29°F). Expect chilly extremes with minimums plummeting to -21°C (-6°F) and a rare maximum of 18°C (65°F). Precipitation is notable, with 73 mm (2.9 in) falling over 8 days, contributing to an overall average humidity of 84%.

January Temperature in Terryville

In January in Terryville, the average temperature is -2°C (29°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -21°C (-6°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates January temperature patterns in Terryville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Terryville, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (65°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec293237485968747266554133
Data source: Temperature data for Terryville 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 Terryville

In Terryville in January, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

January Precipitation Trends in Terryville

The chart displays monthly precipitation patterns in Terryville, 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 Terryville, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec73939113612010316210712215295123
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Terryville

In Terryville in January, humidity is 84%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket that clings to your skin, making it difficult to stay warm and comfortable while traveling.

January Average Humidity in Terryville

This chart illustrates the average monthly humidity levels in Terryville, 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 Terryville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Terryville

In Terryville in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Terryville, you can check the information here.

Maximum UV Index Levels in Terryville for January

The chart shows the monthly maximum UV Index (UVI) for Terryville 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 Terryville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Terryville 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 Terryville Compares to Other Months

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

This table compares monthly weather conditions in Terryville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)73 mm (2.9 inches)84%moderate
February Weather0°C (32°F)93 mm (3.7 inches)82%moderate
March Weather3°C (38°F)91 mm (3.6 inches)81%high
April Weather9°C (48°F)136 mm (5.3 inches)78%very high
May Weather15°C (59°F)120 mm (4.7 inches)69%very high
June Weather20°C (69°F)103 mm (4.1 inches)69%very high
July Weather23°C (74°F)162 mm (6.4 inches)62%very high
August Weather22°C (73°F)107 mm (4.2 inches)65%very high
September Weather19°C (66°F)122 mm (4.8 inches)68%very high
October Weather13°C (56°F)152 mm (6.0 inches)74%high
November Weather5°C (42°F)95 mm (3.7 inches)82%moderate
December Weather1°C (33°F)123 mm (4.9 inches)80%low

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