nomadseason

May Weather in Middletown, United States

Last updated: June 24, 2025

In Middletown, United States, the average temperature in May hovers around 18°C (64°F), offering a pleasant climate. However, be prepared for a temperature range that can dip as low as -1°C (30°F) and soar up to 33°C (91°F). With an average precipitation of 138 mm (5.4 in) spread over 15 days and humidity levels at a notable 79%, this month promises a mix of both refreshing rain and warm sunshine.

May Temperature in Middletown

In May in Middletown, the average temperature is 18°C (64°F). Maximums can reach 33°C (91°F) and minimums can drop as low as -1°C (30°F). This variance in temperature makes it essential for travelers to pack accordingly, ensuring comfort whether exploring warm days or cooler nights.

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 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342516472767369574135
Data source: Temperature data for Middletown generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Middletown

In Middletown in May, the total precipitation amount is 138 mm (5.4 in) recorded over the course of 15 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 138 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec80981249813811211489841029279
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Middletown

In Middletown in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)80 mm (3.2 inches)87%moderate
February Weather0°C (33°F)98 mm (3.8 inches)85%moderate
March Weather6°C (42°F)124 mm (4.9 inches)86%high
April Weather11°C (52°F)98 mm (3.9 inches)84%very high
May Weather18°C (64°F)138 mm (5.4 inches)79%very high
June Weather22°C (73°F)112 mm (4.4 inches)82%extreme
July Weather24°C (76°F)114 mm (4.5 inches)79%very high
August Weather23°C (74°F)89 mm (3.5 inches)70%very high
September Weather21°C (69°F)84 mm (3.3 inches)69%very high
October Weather14°C (57°F)102 mm (4.0 inches)76%high
November Weather5°C (42°F)92 mm (3.6 inches)88%moderate
December Weather2°C (36°F)79 mm (3.1 inches)87%moderate

Compare Middletown's Climate with Cities Worldwide