Medical Definition of HYPHA. : one of the threads that make up the mycelium of a fungus, increase by apical growth, and are coenocytic or transversely septate.efinition of HYPHA. : one of the threads that make up the mycelium of a fungus, increase by apical growth, and are transversely septate or nonseptate. â hyÂ·phal \-fÉl\ adjective. See hypha defined for kids. ADVERTISEMENT.
San Marcos, CA Weather. San Marcos, CA climate is warm during summer when temperatures tend to be in the 70's and cool during winter when temperatures tend to be in the 50's.
The coast's nighttime average low temperatures for the year range from as warm as 58 degrees F (14 Â°C) at San Diego to as cool as 42 degrees F (6 Â°C) at Klamath. In the north, the year's ocean temperatures average 52 degrees F (11 Â°C), while in southern California the water is at least 10 degrees F (5 Â°C) warmer.