December Weather in Harvard

Last updated: March 2, 2024

The weather in Harvard, United States, during December is characterized by an average temperature of 0°C (33°F). Highs can soar to 17°C (63°F), while lows may dip to -14°C (8°F). Typically, the humidity level in Harvard throughout December hovers around 79%.

Precipitation and Sunshine hours

In December, Harvard averages 41 mm (1.6 inches) of rainfall, typically over the course of 4 rainy days. The month enjoys an average of 9 hours 18 minutes of daylight, with the sun shining for approximately 7 hours 27 minutes each day. Additionally, there is a 63% probability of sunny days during this period.

UV Index

In December, the UV Index in Harvard reaches a maximum of 3, 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.

Monthly weather in Harvard

• Harvard weather January
• Harvard weather February
• Harvard weather March
• Harvard weather April
• Harvard weather May
• Harvard weather June
• Harvard weather July
• Harvard weather August
• Harvard weather September
• Harvard weather October
• Harvard weather November
• Harvard weather December