San Bernardino
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
San Bernardino, CA

Scenic settlement spot on the foot of the iconic San Bernardino Mountains in California, with a view of the snow peaks of the San Gorgiono mountains
Scenic settlement spot on the foot of the iconic San Bernardino Mountains in California, with a view of the snow peaks of the San Gorgiono mountains
The last month of the spring, May, is also a moderately hot month in San Bernardino, California, with average temperature ranging between max 83.5°F (28.6°C) and min 54.3°F (12.4°C).

Temperature

In May, the average high-temperature marginally rises, from 77.7°F (25.4°C) in April, to a still moderately hot 83.5°F (28.6°C). In May, the average low-temperature is 54.3°F (12.4°C).

Rainfall

In San Bernardino, California, during May, the rain falls for 1.7 days and regularly aggregates up to 0.3" (6.4mm) of precipitation. In San Bernardino, during the entire year, the rain falls for 38.3 days and collects up to 16" (406.8mm) of precipitation.

Daylight

The average length of the day in May in San Bernardino is 14h.

What is the temperature in May in San Bernardino?

The average high-temperature, in May, is 83.5°F (28.6°C), while the average low-temperature is 54.3°F (12.4°C).

How much does it rain in San Bernardino in May?

In San Bernardino, in May, it is raining for 1.7 days, with typically 0.3" (6.4mm) of accumulated precipitation.

How many hours of daylight does San Bernardino have in May?

In May, the average length of the day in San Bernardino, California, is 14h.
Average temperature in May - San Bernardino, CA
  • Average high temperature in May: 83.4°F

The warmest month (with the highest average high temperature) is August (97.3°F).
The month with the lowest average high temperature is December (67.1°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (41.1°F).

Average rainfall in May - San Bernardino, CA
  • Average rainfall in May: 0.3"

The wettest month (with the highest rainfall) is February (4.1").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in May - San Bernardino, CA
  • Average rainfall days in May: 1.7 days

The month with the highest number of rainy days is February (7.2 days).
Months with the lowest number of rainy days are July and August (0.5 days).

Average daylight in May - San Bernardino, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).