1 The lowest monthly average temperature in Lake Las Vegas for December is 44 degrees. 2  The most monthly precipitation in Lake Las Vegas occurs in October with 0.5 inches.  The air quality index in Lake Las Vegas is 8% worse than the national average.
Three factors can limit the speed of photosynthesis-light intensity, carbon dioxide concentration and temperature. Light intensity. Without enough light, a plant cannot photosynthesise very quickly, even if there is plenty of water and carbon dioxide.
Carbon dioxide is constantly available in the air we breathe and energy is readily available from the sun. When air temperatures are favorable for plant growth, soil water is the limiting factor for photosynthesis.