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January Weather in Sterling, United States

Last updated: June 24, 2025

In Sterling, United States, the average temperature in January hovers around -5°C (23°F). Expect chilly extremes, with minimums dropping to -29°C (-19°F) and occasional highs reaching 14°C (57°F). Prepare for some moisture, as precipitation averages around 50 mm (2.0 in) spread over 7 days. Notably, the air is quite damp, with an average humidity of 88%.

January Temperature in Sterling

In January in Sterling, the average temperature is -5°C (23°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -29°C (-19°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Sterling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sterling, January typically has an average temperature of -5°C (23°F), with highs reaching up to 14°C (57°F) and lows dropping to around -29°C (-19°F).
JanFebMarAprMayJunJulAugSepOctNovDec232433445768737063513730
Data source: Temperature data for Sterling 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 Sterling

In Sterling in January, the precipitation amount is 50 mm (2.0 in) over a span of 7 days.

January Precipitation Trends in Sterling

The chart displays monthly precipitation patterns in Sterling, 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 Sterling, January typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec50505383105908596781185758
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sterling

In Sterling in January humidity is 88%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold damp air seeps through layers of clothing, chilling you to the bone.

January Average Humidity in Sterling

This chart illustrates the average monthly humidity levels in Sterling, 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 Sterling is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sterling

In Sterling in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sterling, you can visit Hourly UV Index in Sterling.

Maximum UV Index Levels in Sterling for January

The chart shows the monthly maximum UV Index (UVI) for Sterling 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 Sterling typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Sterling 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 Sterling Compares to Other Months

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

This table compares monthly weather conditions in Sterling, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)50 mm (2.0 inches)88%low
February Weather-5°C (24°F)50 mm (2.0 inches)87%moderate
March Weather1°C (34°F)53 mm (2.1 inches)85%moderate
April Weather7°C (45°F)83 mm (3.3 inches)86%very high
May Weather14°C (58°F)105 mm (4.1 inches)80%very high
June Weather20°C (68°F)90 mm (3.6 inches)80%very high
July Weather23°C (74°F)85 mm (3.4 inches)80%very high
August Weather21°C (71°F)96 mm (3.8 inches)80%very high
September Weather17°C (63°F)78 mm (3.1 inches)80%high
October Weather11°C (52°F)118 mm (4.7 inches)84%moderate
November Weather3°C (37°F)57 mm (2.2 inches)89%moderate
December Weather-1°C (30°F)58 mm (2.3 inches)86%low

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