Last updated: March 2, 2024
The weather in Greenwich, United States, during October is characterized by an average temperature of 12°C (53°F). Highs can soar to 25°C (77°F), while lows may dip to -2°C (29°F). Typically, the humidity level in Greenwich throughout October hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Greenwich averages 142 mm (5.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 10 hours 58 minutes of daylight, with the sun shining for approximately 6 hours 33 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In October, the UV Index in Greenwich reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||