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May Weather in Danbury, United States

Last updated: June 24, 2025

In May, the average temperature in Danbury, United States hovers around 15°C (59°F). However, temperatures can vary significantly, with a minimum of 0°C (32°F) and a maximum reaching up to 33°C (91°F). Expect about 115 mm (4.5 in) of precipitation over 14 days, accompanied by an average humidity level of 69%.

May Temperature in Danbury

In May in Danbury, the average temperature is 15°C (59°F). Maximum temperatures can reach 33°C (91°F), and minimums can drop as low as 0°C (32°F). Be prepared for a range of weather conditions while traveling, as both warm and chilly moments can occur during this time.

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

The chart illustrates May temperature patterns in Danbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Danbury, May typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303338495969747366564234
Data source: Temperature data for Danbury 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 Danbury

In Danbury in May, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

May Precipitation Trends in Danbury

The chart displays monthly precipitation patterns in Danbury, 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 Danbury, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec71978912411510214511912214793115
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Danbury

In Danbury in May humidity is 69%. With an average temperature of 15°C (59°F), this humidity feels like a mild blanket wrapping around you, making it slightly uncomfortable for traveling; you'll likely find yourself seeking shade and refreshing drinks to stay cool as you explore.

May Average Humidity in Danbury

This chart illustrates the average monthly humidity levels in Danbury, 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 Danbury is approximately 69%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Danbury

In Danbury 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 Danbury.

Maximum UV Index Levels in Danbury for May

The chart shows the monthly maximum UV Index (UVI) for Danbury 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 Danbury typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Danbury 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 Danbury Compares to Other Months

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

This table compares monthly weather conditions in Danbury, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)71 mm (2.8 inches)84%moderate
February Weather0°C (33°F)97 mm (3.8 inches)82%moderate
March Weather3°C (38°F)89 mm (3.5 inches)81%high
April Weather9°C (49°F)124 mm (4.9 inches)78%very high
May Weather15°C (59°F)115 mm (4.5 inches)69%very high
June Weather20°C (69°F)102 mm (4.0 inches)69%very high
July Weather24°C (75°F)145 mm (5.7 inches)62%very high
August Weather23°C (73°F)119 mm (4.7 inches)65%very high
September Weather19°C (66°F)122 mm (4.8 inches)68%very high
October Weather13°C (56°F)147 mm (5.8 inches)74%high
November Weather6°C (42°F)93 mm (3.7 inches)82%moderate
December Weather1°C (34°F)115 mm (4.5 inches)80%low

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