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January Weather in Lambertville, United States

Last updated: June 24, 2025

In January, the average temperature in Lambertville, United States hovers around -2°C (28°F). However, temperatures can fluctuate dramatically, with a minimum reaching -26°C (-14°F) and a maximum of 16°C (62°F). Expect 67 mm (2.6 in) of precipitation spread over 8 days, and brace yourself for a notable average humidity of 88%.

January Temperature in Lambertville

In January in Lambertville, the average temperature is -2°C (28°F). Maximums can reach 16°C (62°F) and minimums can be as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures, from cold winter chills to unexpectedly mild days.

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

The chart illustrates January temperature patterns in Lambertville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lambertville, January typically has an average temperature of -2°C (28°F), with highs reaching up to 16°C (62°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec282939486171767367564034
Data source: Temperature data for Lambertville 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 Lambertville

In Lambertville in January, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.

January Precipitation Trends in Lambertville

The chart displays monthly precipitation patterns in Lambertville, 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 Lambertville, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec67688189136971078459938254
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Lambertville

In Lambertville in January humidity is 88%. With an average temperature of -2°C (28°F), this humidity feels like an icy cling to your skin, making every breath feel brisk and sharp, while the dampness cuts through layers of clothing, leaving travelers yearning for warmth and comfort.

January Average Humidity in Lambertville

This chart illustrates the average monthly humidity levels in Lambertville, 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 Lambertville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Lambertville

In Lambertville 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 Lambertville, you can check the information here.

Maximum UV Index Levels in Lambertville for January

The chart shows the monthly maximum UV Index (UVI) for Lambertville 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 Lambertville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Lambertville 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 Lambertville Compares to Other Months

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

This table compares monthly weather conditions in Lambertville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)67 mm (2.6 inches)88%moderate
February Weather-2°C (29°F)68 mm (2.7 inches)87%moderate
March Weather4°C (39°F)81 mm (3.2 inches)87%high
April Weather9°C (49°F)89 mm (3.5 inches)87%very high
May Weather16°C (61°F)136 mm (5.4 inches)81%very high
June Weather22°C (71°F)97 mm (3.8 inches)82%very high
July Weather24°C (76°F)107 mm (4.2 inches)81%very high
August Weather23°C (74°F)84 mm (3.3 inches)78%very high
September Weather20°C (68°F)59 mm (2.3 inches)78%very high
October Weather13°C (56°F)93 mm (3.7 inches)82%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather1°C (34°F)54 mm (2.1 inches)86%low

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