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January Weather in Terrytown, United States

Last updated: June 24, 2025

In Terrytown, United States, the average temperature in January hovers around 0°C (32°F). Expect a chilly range, where the minimum can dip to -25°C (-13°F), while the maximum can reach a mild 18°C (65°F). During this time, precipitation averages 14 mm (0.5 in) over the course of 3 days, contributing to an overall humidity level of 72%. Stay prepared for varied weather!

January Temperature in Terrytown

In January in Terrytown, the average temperature is 0°C (32°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures, from chilly winter conditions to pleasantly mild days.

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

The chart illustrates January temperature patterns in Terrytown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Terrytown, January typically has an average temperature of 0°C (32°F), with highs reaching up to 18°C (65°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec323041475670767366484234
Data source: Temperature data for Terrytown 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 Terrytown

In Terrytown in January, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

January Precipitation Trends in Terrytown

The chart displays monthly precipitation patterns in Terrytown, 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 Terrytown, January typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1422625010645412823332319
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Terrytown

In Terrytown in January, humidity is 72%. With an average temperature of 0°C (32°F), this humidity feels like walking in a damp, chilly fog, making traveling uncomfortable as the cold seeps into your bones and the weight of the moisture clings to your clothes.

January Average Humidity in Terrytown

This chart illustrates the average monthly humidity levels in Terrytown, 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 Terrytown is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%62%60%74%82%82%84%75%73%74%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Terrytown

In Terrytown 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 Terrytown, you can check the information here.

Maximum UV Index Levels in Terrytown for January

The chart shows the monthly maximum UV Index (UVI) for Terrytown 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 Terrytown typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Terrytown 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 Terrytown Compares to Other Months

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

This table compares monthly weather conditions in Terrytown, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)14 mm (0.5 inches)72%moderate
February Weather-1°C (30°F)22 mm (0.9 inches)76%moderate
March Weather5°C (41°F)62 mm (2.4 inches)61%high
April Weather8°C (47°F)49 mm (1.9 inches)60%very high
May Weather14°C (57°F)106 mm (4.2 inches)74%very high
June Weather21°C (71°F)45 mm (1.8 inches)82%extreme
July Weather25°C (77°F)41 mm (1.6 inches)82%extreme
August Weather23°C (74°F)28 mm (1.1 inches)84%very high
September Weather19°C (67°F)23 mm (0.9 inches)75%very high
October Weather9°C (49°F)33 mm (1.3 inches)73%high
November Weather5°C (42°F)23 mm (0.9 inches)74%moderate
December Weather1°C (35°F)19 mm (0.7 inches)77%moderate

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