July Weather in Greenwich

Last updated: March 2, 2024

The weather in Greenwich, United States, during July is characterized by an average temperature of 25°C (77°F). Highs can soar to 35°C (94°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Greenwich throughout July hovers around 62%.

17°C (63°F)

Minimum temperature

25°C (77°F)

Average temperature

35°C (94°F)

Maximum temperature

62%

Humidity

Precipitation and Sunshine hours

In July, Greenwich averages 143 mm (5.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 45 minutes of daylight, with the sun shining for approximately 10 hours 56 minutes each day. Additionally, there is a 41% probability of sunny days during this period.

143 mm (5.6 inches)

Precipitation

13 rainy days

Rainy days

10 hours 56 minutes

Sunshine hours

41%

Chance of sun

UV Index

In July, the UV Index in Greenwich reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 4 6 8 9 9 9 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Greenwich's Climate with Cities Worldwide