January Weather in Middletown, United States

Last updated: June 24, 2025

In January, the average temperature in Middletown, United States hovers around 9°C (49°F). Temperatures can vary widely, with minimums dropping to -2°C (30°F) and maximums reaching up to 25°C (77°F). Expect a precipitation amount of 132 mm (5.2 in) spread over approximately 8 days, and be prepared for high humidity, averaging around 86%.

January Temperature in Middletown

In January in Middletown, the average temperature is 9°C (49°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -2°C (30°F). Be prepared for a wide range of temperatures when planning your trip.

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 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -2°C (30°F).

Data source: Temperature data for Middletown generated using information from the Copernicus Climate Change Service.

January Precipitation in Middletown

In Middletown in January, the total precipitation amount is 132 mm (5.2 in), which occurs over the 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 132 mm (5.2 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Middletown

In Middletown in January, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

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 86%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	132 mm (5.2 inches)	86%	moderate
February Weather	10°C (51°F)	140 mm (5.5 inches)	84%	moderate
March Weather	11°C (53°F)	90 mm (3.5 inches)	83%	high
April Weather	15°C (59°F)	36 mm (1.4 inches)	80%	very high
May Weather	19°C (66°F)	24 mm (0.9 inches)	80%	extreme
June Weather	24°C (75°F)	3 mm (0.1 inches)	76%	extreme
July Weather	26°C (79°F)	0 mm (0.0 inches)	70%	extreme
August Weather	25°C (78°F)	1 mm (0.0 inches)	66%	very high
September Weather	23°C (73°F)	2 mm (0.1 inches)	68%	very high
October Weather	18°C (65°F)	36 mm (1.4 inches)	72%	high
November Weather	12°C (55°F)	46 mm (1.8 inches)	84%	moderate
December Weather	9°C (48°F)	91 mm (3.6 inches)	84%	moderate