May Weather in Middletown, United States

Last updated: June 24, 2025

In Middletown, United States, the average temperature in May hovers around 19°C (66°F), with fluctuations ranging from a chilly 3°C (39°F) to a sweltering 37°C (98°F). During this month, expect approximately 24 mm (0.9 in) of precipitation spread over 3 days, contributing to an overall average humidity of 80%. Prepare for a mix of weather that can be both refreshing and warm!

May Temperature in Middletown

In May in Middletown, the average temperature is 19°C (66°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as 3°C (39°F). Be prepared for a wide range of temperatures during your travels, making it essential to pack accordingly.

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

The chart illustrates May 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, May typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (98°F) and lows dropping to around 3°C (39°F).

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

May Precipitation in Middletown

In Middletown in May, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

May Precipitation Trends in Middletown

The chart displays monthly precipitation patterns in Middletown, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Middletown, May typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Middletown

In Middletown in May humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

May Average Humidity in Middletown

This chart illustrates the average monthly humidity levels in Middletown, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Middletown is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Middletown

In Middletown in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Middletown.

Maximum UV Index Levels in Middletown for May

The chart shows the monthly maximum UV Index (UVI) for Middletown in May, 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 May, the maximum UV index in Middletown typically reaches 11, which falls under the extreme exposure category.

Data source: Middletown May 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 May 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 May’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 May’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