May Weather in Bethlehem

Last updated: March 2, 2024

The weather in Bethlehem, United States, during May is characterized by an average temperature of 20°C (69°F). Highs can soar to 32°C (90°F), while lows may dip to 5°C (42°F). Typically, the humidity level in Bethlehem throughout May hovers around 83%.

5°C (42°F)

Minimum temperature

20°C (69°F)

Average temperature

32°C (90°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Bethlehem averages 124 mm (4.9 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 3 minutes of daylight, with the sun shining for approximately 9 hours 33 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

124 mm (4.9 inches)

Precipitation

13 rainy days

Rainy days

9 hours 33 minutes

Sunshine hours

38%

Chance of sun

UV Index

In May, the UV Index in Bethlehem reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 3 5 8 10 10 10 9 6 4 2 1
Exposure Low Moderate VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 25 min 30 min 45 min

Compare Bethlehem's Climate with Cities Worldwide