San Marcos Weather in May

What's the weather like in San Marcos (San Marcos) in May 2024?

The climate in San Marcos during May can be summarized as mild and damp.

May is in the spring in San Marcos and is typically the warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 11°C (52°F) is normal.

San Marcos weather averages (imperial / metric)
Daytime temperature 23.7°C 74.6°F
Nightly temperature 11°C 51.7°F
Average temperature 17.3°C 63.1°F
Daily sunshine 7.7 hrs
Avg rainfall 117 mm 4.6 ins
Rainy days 15 days
Sea temperature 30.1°C 86.1°F
Humidity 76%
Windspeed 9.4kph 6 mph

On average May is the 5th wettest month of the year in San Marcos with around 117mm 4.6 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

May temperatures in San Marcos

San Marcos average temperature in May

May rainfall

San Marcos average rain in May

May hourly sunshine

San Marcos average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Marcos in May 2024.

Other monthly averages

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San Marcos weather stats

San Marcos weather statistics
Hottest month: May 23.3°C 73.9°F
Driest month: January 0mm 0ins
Sunniest month: January 8.9hrs
Coldest month: January 18.2°C 64.8°F
Wettest month: June 193mm 7.6ins
Map showing location of San Marcos (14.96667, -91.8) San Marcos map pin © Google

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