October Weather in Hyannis

Last updated: March 2, 2024

The weather in Hyannis, United States, during October is characterized by an average temperature of 8°C (46°F). Highs can soar to 27°C (80°F), while lows may dip to -9°C (15°F). Typically, the humidity level in Hyannis throughout October hovers around 64%.

-9°C (15°F)

Minimum temperature

8°C (46°F)

Average temperature

27°C (80°F)

Maximum temperature

64%

Humidity

Precipitation and Sunshine hours

In October, Hyannis averages 36 mm (1.4 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 11 hours 1 minutes of daylight, with the sun shining for approximately 8 hours 12 minutes each day. Additionally, there is a 66% probability of sunny days during this period.

36 mm (1.4 inches)

Precipitation

7 rainy days

Rainy days

8 hours 12 minutes

Sunshine hours

66%

Chance of sun

UV Index

In October, the UV Index in Hyannis reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 3 5 6 6 5 3 2 1 1 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Hyannis's Climate with Cities Worldwide