NASA. Knowing the difference between a hypothesis, a theory, and a law is essential for the understanding of science, but for laypeople, sometimes these definitions can be unclear as the same terms are used differently in a colloquial context.
Thus, the mean temperature average in march in Phoenix (Arizona) is 20Â°C. Note that seasonal normals in contrast with those observed in Phoenix (Arizona) in the month of march with a maximum record of 37Â°C in 2013 and a minimum record of 3Â°C in 2012.
The Phoenix area generally experiences its coldest weather in January, yet, daytime temperatures still average in the middle sixties. The normal daily maximum is 65.9, and the normal daily minimum 41.2 and the normal mean monthly temperature is 53.6.