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May Weather in Hamden, United States

Last updated: June 24, 2025

In May, the average temperature in Hamden, United States is a pleasant 18°C (65°F), with a range that can drop to a chilly 0°C (33°F) and soar up to a warm 32°C (90°F). Expect an average of 133 mm (5.2 in) of precipitation over approximately 15 days, contributing to an overall humidity level of 81%. Perfect conditions for those who enjoy a balanced climate!

May Temperature in Hamden

In May, in Hamden, the average temperature is 18°C (65°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 0°C (33°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Hamden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamden, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546572777570594438
Data source: Temperature data for Hamden 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.

May Precipitation in Hamden

In Hamden in May, the total precipitation amount is 133 mm (5.2 in) spread over a duration of 15 days.

May Precipitation Trends in Hamden

The chart displays monthly precipitation patterns in Hamden, 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 Hamden, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec861221211351331421121139910986116
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hamden

In Hamden in May, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

May Average Humidity in Hamden

This chart illustrates the average monthly humidity levels in Hamden, 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 Hamden is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hamden

In Hamden 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 Hamden.

Maximum UV Index Levels in Hamden for May

The chart shows the monthly maximum UV Index (UVI) for Hamden 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 Hamden typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Hamden 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 Hamden Compares to Other Months

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

This table compares monthly weather conditions in Hamden, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)86 mm (3.4 inches)88%moderate
February Weather3°C (38°F)122 mm (4.8 inches)88%moderate
March Weather7°C (45°F)120 mm (4.7 inches)87%high
April Weather12°C (54°F)135 mm (5.3 inches)85%very high
May Weather18°C (65°F)133 mm (5.2 inches)81%very high
June Weather22°C (72°F)142 mm (5.6 inches)82%very high
July Weather25°C (77°F)112 mm (4.4 inches)81%very high
August Weather24°C (75°F)113 mm (4.4 inches)73%very high
September Weather21°C (70°F)99 mm (3.9 inches)73%very high
October Weather15°C (59°F)109 mm (4.3 inches)78%high
November Weather7°C (44°F)86 mm (3.4 inches)89%moderate
December Weather4°C (39°F)116 mm (4.6 inches)87%moderate

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