January Weather in Ridgefield, United States

Last updated: June 24, 2025

In January, the average temperature in Ridgefield, United States hovers around 5°C (41°F), with a minimum reaching as low as -14°C (7°F) and a maximum peaking at 14°C (58°F). This month brings significant moisture, with total precipitation of 205 mm (8.1 in) spread over 17 days. Additionally, expect a high level of humidity (85%), making it a chilly yet damp time of year.

January Temperature in Ridgefield

In January in Ridgefield, the average temperature is 5°C (41°F), with a maximum that can reach 14°C (58°F) and a minimum that can dip as low as -14°C (7°F). Be sure to pack layers to stay comfortable in the fluctuating temperatures during your travels!

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

The chart illustrates January temperature patterns in Ridgefield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ridgefield, January typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (58°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec414045505762676963524540
Data source: Temperature data for Ridgefield 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 Ridgefield

In Ridgefield in January, the total precipitation amount is 205 mm (8.1 in), occurring over the course of 17 days.

January Precipitation Trends in Ridgefield

The chart displays monthly precipitation patterns in Ridgefield, 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 Ridgefield, January typically receives around 205 mm (8.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec205205163140736291190149209224
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Ridgefield

In Ridgefield in January, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

January Average Humidity in Ridgefield

This chart illustrates the average monthly humidity levels in Ridgefield, 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 Ridgefield is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Ridgefield

In Ridgefield 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 Ridgefield, you can visit Hourly UV Index in Ridgefield.

Maximum UV Index Levels in Ridgefield for January

The chart shows the monthly maximum UV Index (UVI) for Ridgefield 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 Ridgefield typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23569101087532
Data source: Ridgefield 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 Ridgefield Compares to Other Months

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

This table compares monthly weather conditions in Ridgefield, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)205 mm (8.1 inches)85%low
February Weather4°C (40°F)205 mm (8.1 inches)84%moderate
March Weather7°C (45°F)163 mm (6.4 inches)85%moderate
April Weather10°C (51°F)140 mm (5.5 inches)83%high
May Weather14°C (57°F)73 mm (2.9 inches)83%very high
June Weather17°C (63°F)62 mm (2.5 inches)83%very high
July Weather20°C (68°F)9 mm (0.3 inches)82%very high
August Weather20°C (69°F)11 mm (0.4 inches)74%very high
September Weather17°C (63°F)90 mm (3.6 inches)71%high
October Weather11°C (52°F)149 mm (5.9 inches)81%moderate
November Weather7°C (46°F)209 mm (8.2 inches)87%moderate
December Weather5°C (41°F)224 mm (8.8 inches)87%low

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