April Weather in Greenwich

Last updated: March 2, 2024

The weather in Greenwich, United States, during April is characterized by an average temperature of 10°C (50°F). Highs can soar to 26°C (78°F), while lows may dip to -4°C (24°F). Typically, the humidity level in Greenwich throughout April hovers around 87%.

-4°C (24°F)

Minimum temperature

10°C (50°F)

Average temperature

26°C (78°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In April, Greenwich averages 123 mm (4.8 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 13 hours 20 minutes of daylight, with the sun shining for approximately 8 hours 15 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

123 mm (4.8 inches)

Precipitation

15 rainy days

Rainy days

8 hours 15 minutes

Sunshine hours

37%

Chance of sun

UV Index

In April, the UV Index in Greenwich reaches a maximum of 8, 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 1 2 4 6 8 8 8 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