First low below 50º in Phoenix this season!
The low temperature at Phoenix Sky Harbor bottomed out at 49º during the morning of Sunday, November 28th. This low temperature marks the first time this fall with a low below 50 degrees.
If you thought it was a little late, you would be right; this year ties as the fourth latest on record. The latest on record is December 7th, which occurred in 2017. On the flip side, the earliest on record is September 20th, which occurred in 1965.
So is the first below 50 degree low temperature of the spring season getting later? Looking at data from 1896 to current (graph above), the answer is yes. The 30-year rolling average in 1925 had the first below 50-degree day occurring around October 17th. Using the last 30 years (including this year), the average is around November 13th.
The low temperature at Phoenix Sky Harbor bottomed out at 49º during the morning of Sunday, November 28th. This low temperature marks the first time this fall with a low below 50 degrees.
If you thought it was a little late, you would be right; this year ties as the fourth latest on record. The latest on record is December 7th, which occurred in 2017. On the flip side, the earliest on record is September 20th, which occurred in 1965.
So is the first below 50 degree low temperature of the spring season getting later? Looking at data from 1896 to current (graph above), the answer is yes. The 30-year rolling average in 1925 had the first below 50-degree day occurring around October 17th. Using the last 30 years (including this year), the average is around November 13th.