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%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
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.
Precipitation
Rainy days
Sunshine hours
Chance of sun
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.
| 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 | ||||||