April Weather in Watertown

Last updated: March 2, 2024

The weather in Watertown, United States, during April is characterized by an average temperature of 21°C (70°F). Highs can soar to 33°C (91°F), while lows may dip to 6°C (42°F). Typically, the humidity level in Watertown throughout April hovers around 76%.

6°C (42°F)

Minimum temperature

21°C (70°F)

Average temperature

33°C (91°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In April, Watertown averages 75 mm (3.0 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 12 hours 55 minutes of daylight, with the sun shining for approximately 9 hours 56 minutes each day. Additionally, there is a 50% probability of sunny days during this period.

75 mm (3.0 inches)

Precipitation

8 rainy days

Rainy days

9 hours 56 minutes

Sunshine hours

50%

Chance of sun

UV Index

In April, the UV Index in Watertown reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 7 9 10 10 8 6 4 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 Watertown's Climate with Cities Worldwide