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

May weather forecast and climate
San Gregorio, CA

May, the last month of the spring, in San Gregorio, is also an enjoyable month, with average temperature fluctuating between 46°F (7.8°C) and 63.9°F (17.7°C).


In San Gregorio, California, the average high-temperature is almost the same as in April - a still comfortable 63.9°F (17.7°C). The average low-temperature, in San Gregorio, is 46°F (7.8°C).


Throughout May, 0.9" (21.6mm) of precipitation is accumulated. During the entire year, San Gregorio aggregates up to 29.5" (749.5mm) of precipitation.


In May, the average length of the day is 14.2h.

What is the temperature in May in San Gregorio?

In San Gregorio, in May, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 46°F (7.8°C).

How much does it rain in San Gregorio in May?

During May, San Gregorio regularly aggregates up to 0.9" (21.6mm) of precipitation.

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

In San Gregorio, the average length of the day in May is 14.2h.
Average temperature in May - San Gregorio, CA
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is September (72.5°F).
Months with the lowest average high temperature are January and March (60.1°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (39°F).

Average rainfall in May - San Gregorio, CA
  • Average rainfall in May: 0.9"

The wettest month (with the highest rainfall) is January (5.7").
The driest month (with the lowest rainfall) is July (0.1").

Average daylight in May - San Gregorio, CA
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).