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January Weather in Sackets Harbor, United States

Last updated: June 24, 2025

In January, the average temperature in Sackets Harbor, United States hovers around -5°C (23°F), with minimums plunging to -26°C (-15°F) and maximums reaching up to 12°C (55°F). Expect precipitation of about 93 mm (3.7 in) spread over 13 days. The air is quite damp, with an average humidity of 90%, making it a chilly, but enchanting time to explore this locale.

January Temperature in Sackets Harbor

In January in Sackets Harbor, the average temperature is -5°C (23°F). Maximums can reach 12°C (55°F), while minimums can drop as low as -26°C (-15°F). Be sure to pack warm clothing and prepare for a range of temperatures if you plan to travel during this month.

January Weather in Sackets Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sackets Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sackets Harbor, January typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (55°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec232532435565727063523930
Data source: Temperature data for Sackets Harbor 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 Sackets Harbor

In Sackets Harbor in January, the total precipitation amount is 93 mm (3.7 in), which falls over the course of 13 days.

January Precipitation Trends in Sackets Harbor

The chart displays monthly precipitation patterns in Sackets Harbor, 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 Sackets Harbor, January typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9388861231039714510878160127108
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sackets Harbor

In Sackets Harbor in January, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.

January Average Humidity in Sackets Harbor

This chart illustrates the average monthly humidity levels in Sackets Harbor, 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 Sackets Harbor is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sackets Harbor

In Sackets Harbor 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 Sackets Harbor, you can visit Hourly UV Index in Sackets Harbor.

Maximum UV Index Levels in Sackets Harbor for January

The chart shows the monthly maximum UV Index (UVI) for Sackets Harbor 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 Sackets Harbor typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246899997532
Data source: Sackets Harbor 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 Sackets Harbor Compares to Other Months

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

This table compares monthly weather conditions in Sackets Harbor, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)93 mm (3.7 inches)90%low
February Weather-4°C (25°F)88 mm (3.5 inches)90%moderate
March Weather0°C (32°F)86 mm (3.4 inches)87%high
April Weather6°C (43°F)123 mm (4.9 inches)88%very high
May Weather13°C (56°F)103 mm (4.1 inches)82%very high
June Weather18°C (65°F)97 mm (3.8 inches)79%very high
July Weather22°C (72°F)145 mm (5.7 inches)78%very high
August Weather21°C (70°F)107 mm (4.2 inches)76%very high
September Weather17°C (63°F)78 mm (3.1 inches)78%high
October Weather11°C (53°F)160 mm (6.3 inches)84%moderate
November Weather4°C (39°F)127 mm (5.0 inches)89%moderate
December Weather-1°C (30°F)108 mm (4.2 inches)86%low

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