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July Weather in New Haven, United States

Last updated: June 24, 2025

In July, the average temperature in New Haven, United States is a comfortable 24°C (76°F). Expect a range with minimums dipping to 11°C (53°F) and maximums rising to 35°C (96°F). Be prepared for some rain, as the region sees approximately 104 mm (4.1 in) of precipitation over about 12 days. With an average humidity of 81%, it's wise to stay hydrated while enjoying the warm, tropical atmosphere!

July Temperature in New Haven

In July in New Haven, the average temperature is 24°C (76°F). Maximums can reach 35°C (96°F), while minimums can dip as low as 11°C (53°F). This weather makes it an ideal time for travelers seeking a warm climate with comfortable evenings.

July Weather in New Haven: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in New Haven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Haven, July typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (96°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec283140506272767368564135
Data source: Temperature data for New Haven 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.

July Precipitation in New Haven

In New Haven in July, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

July Precipitation Trends in New Haven

The chart displays monthly precipitation patterns in New Haven, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In New Haven, July typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec74801029212712110497651018261
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in New Haven

In New Haven in July, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

July Average Humidity in New Haven

This chart illustrates the average monthly humidity levels in New Haven, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in New Haven is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in New Haven

In New Haven in July, 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 New Haven.

Maximum UV Index Levels in New Haven for July

The chart shows the monthly maximum UV Index (UVI) for New Haven in July, 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 July, the maximum UV index in New Haven typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: New Haven July 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 July Weather in New Haven Compares to Other Months

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

This table compares monthly weather conditions in New Haven, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)74 mm (2.9 inches)85%moderate
February Weather-1°C (31°F)80 mm (3.2 inches)85%moderate
March Weather5°C (41°F)102 mm (4.0 inches)86%high
April Weather10°C (50°F)92 mm (3.6 inches)87%very high
May Weather17°C (63°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)121 mm (4.8 inches)82%very high
July Weather24°C (76°F)104 mm (4.1 inches)81%very high
August Weather23°C (74°F)96 mm (3.8 inches)79%very high
September Weather20°C (68°F)65 mm (2.5 inches)78%very high
October Weather14°C (57°F)101 mm (4.0 inches)81%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather1°C (35°F)61 mm (2.4 inches)86%low

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