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January Weather in Middletown, United States

Last updated: June 24, 2025

In January, the average temperature in Middletown, United States hovers around -2°C (30°F), with possible extremes ranging from a chilling -22°C (-8°F) to a mild 17°C (63°F). Expect 73 mm (2.9 in) of precipitation spread over about 8 days, and brace yourself for an average humidity of 84%. It's a month where winter's grip is palpable, making every moment both challenging and beautiful.

January Temperature in Middletown

In January in Middletown, the average temperature is -2°C (30°F), with maximums reaching up to 17°C (63°F) and minimums dropping as low as -22°C (-8°F). Travelers should prepare for a wide range of temperatures and dress accordingly for both chilly days and warmer spells.

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

The chart illustrates January temperature patterns in Middletown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Middletown, January typically has an average temperature of -2°C (30°F), with highs reaching up to 17°C (63°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec293237485968747266554134
Data source: Temperature data for Middletown 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 Middletown

In Middletown in January, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

January Precipitation Trends in Middletown

The chart displays monthly precipitation patterns in Middletown, 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 Middletown, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec731019211912510212112610014690104
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Middletown

In Middletown in January, humidity is 84%. With an average temperature of -2°C (30°F), this humidity feels like a biting chill that penetrates your layers, making traveling quite uncomfortable as the cold air wraps around you, amplifying the harshness of the winter weather.

January Average Humidity in Middletown

This chart illustrates the average monthly humidity levels in Middletown, 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 Middletown is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Middletown

In Middletown 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 Middletown, you can check the information here.

Maximum UV Index Levels in Middletown for January

The chart shows the monthly maximum UV Index (UVI) for Middletown 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 Middletown typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Middletown 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 Middletown Compares to Other Months

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

This table compares monthly weather conditions in Middletown, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)73 mm (2.9 inches)84%moderate
February Weather0°C (32°F)101 mm (4.0 inches)82%moderate
March Weather3°C (38°F)92 mm (3.6 inches)81%high
April Weather9°C (49°F)119 mm (4.7 inches)78%very high
May Weather15°C (60°F)125 mm (4.9 inches)69%very high
June Weather20°C (68°F)102 mm (4.0 inches)69%very high
July Weather23°C (74°F)121 mm (4.8 inches)62%very high
August Weather22°C (72°F)126 mm (4.9 inches)65%very high
September Weather19°C (66°F)100 mm (3.9 inches)68%very high
October Weather13°C (56°F)145 mm (5.7 inches)74%high
November Weather5°C (41°F)90 mm (3.5 inches)82%moderate
December Weather1°C (34°F)103 mm (4.1 inches)80%low

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