May Weather in Iselin

Last updated: March 2, 2024

The weather in Iselin, United States, during May is characterized by an average temperature of 17°C (63°F). Highs can soar to 31°C (88°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Iselin throughout May hovers around 69%.

6°C (44°F)

Minimum temperature

17°C (63°F)

Average temperature

31°C (88°F)

Maximum temperature

69%

Humidity

Precipitation and Sunshine hours

In May, Iselin averages 118 mm (4.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 26 minutes of daylight, with the sun shining for approximately 9 hours 7 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

118 mm (4.6 inches)

Precipitation

12 rainy days

Rainy days

9 hours 7 minutes

Sunshine hours

42%

Chance of sun

UV Index

In May, the UV Index in Iselin 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 2 4 6 8 9 10 9 7 5 3 1 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 Iselin's Climate with Cities Worldwide