On Wednesday, the mercury in
Phoenix climbed to at least
100 degrees for the 144th time in 2020, surpassing 143
days in 1989 for the most instances on record. Half of the
days (144 out of 288) of the year so far, equivalent to 20.6 weeks, have hit
100 degrees.
2020 Heat Tracker.
| Average Year-To-Date | 1 |
|---|
| Last Year | 62 |
Located in the Mojave Desert, the famous Death Valley has the distinction of being the hottest place in North America. Average highs in July check in at 116, a full 10 degrees hotter than the average temp in Phoenix during that month. That makes Phoenix's record of 122 seem like a nice spring day!
In the southwest, conditions are hot and dry like a desert. Below are the ten
hottest states in the U.S. based on average temperatures. All of these
states have average annual temperatures above 60.0°F.
Hottest States 2021.
| State | Average Temperature °F |
|---|
| Arizona | 60.3 |
| Oklahoma | 59.6 |
| California | 59.4 |
| North Carolina | 59 |
The heat tends to "break" - cool evenings, days in the 80s - about mid-October. The coldest part of the year is usually late December or early January, with highs in the 60s, lows in the 40s. A rare cold streak would be a high in the 50s, low in the upper 20s.
Phoenix Weather History for the Previous 24 Hours
| Conditions |
|---|
| Time | Temp | Weather |
|---|
| 9:51 pm | 83 °F | Clear. |
| 8:51 pm | 84 °F | Clear. |
| 7:51 pm | 88 °F | Passing clouds. |
Phoenix's record high of 122 degrees on June 26, 1990, doesn't even crack the top 10. Lake Havasu City has 11 days with highs of at least 123 degrees and Bullhead City has reached that mark 17 times. Bullhead City's record high is 126 degrees on five occasions (most recently on June 23, 2017.
Phoenix breaks record for latest 90-degree day on recordAfter a brief autumn cooldown, Phoenix on Monday brokethe record for the latest 90-degree day ever recorded. At around 2 p.m. Monday, temperatures reached a high hotter than any other day this late in the year since the previous record of 89 degrees set on Nov.
Key West, Florida is the hottest city in the United States followed by Miami, Florida and Yuma, Arizona. Seven of the ten hottest cities in the United States are in Florida.
| Rank | City | Mean Temperature |
|---|
| 1 | Key West, FL | 78.1°F |
| 2 | Miami, FL | 76.7°F |
| 3 | Yuma, AZ | 75.3°F |
| 4 | West Palm Beach, FL | 75.3°F |
And the coldest temperature ever recorded in Arizona was at Hawley Lake at 8,200 feet in the White Mountains. It got down to -40 degrees on Jan. 7, 1971.
PHOENIX — It's official: August 2020 is going down as the hottest month ever in Phoenix, beating the previous record which was just set in July. Summer 2020 is also officially the hottest summer on record for Phoenix. The average temperature for the month of August reached 99.1 degrees.
After having the hottest summer in its history this year, Phoenix now has had its hottest autumn ever. Dec. 2, 2020, at 12:17 a.m. PHOENIX (AP) — After having the hottest summer in its history this year, Phoenix now has had its hottest autumn ever.
In Phoenix, those warming temperatures are exacerbated by the urban heat island effect, created as the metro area's heavily paved and sprawling development keeps heat particularly high at night, and keeps it higher during the day.
This has many desert dwellers wondering why it is so hot! There are several factors, but the position of a strong ridge of high pressure is the main reason. This year, high pressure has been wobbling back and forth over the top of Arizona. This does a few things to our weather…
Year to date & meteorological summerThe average U.S. temperature for the year to date (YTD, January through August) was 56.3 degrees F, 2.4 degrees above the 20th-century average. It ended as the 7th-warmest in the YTD record. Summer 2020 ended with the ranking of 4th-hottest summer on record.
Winner: FloridaWhen it comes to the number of residents that are in retirement, Florida emerges as the winner in terms of absolute numbers and portion of the population. Out of a population of nearly 7 million, Arizona has 1,158,320 residents aged 65 and older, or 16.67% of the population.
Originally Answered: Is Arizona too hot to live in? ? I've lived in the Phoenix metro area since 1981 and so do a million more, so no, it isn't too hot to live here. It is a dry heat with very low humidity which makes it bearable in the summer. The only consistently hot months are June through September.