Dew points will continue to be monsoon-like for next few days
PHOENIX (AZFamily) — You may have noticed the increased humidity along with the heat over the past couple of days. One of the ways we measure the amount of moisture in the air is through dew points.
For the first time in a while, we had a taste of dew points in the 50s in Phoenix on Thursday. On Friday, dew points creeped into the 60s at times. This is a look at dew points on Friday morning at around 10 a.m.
If you are from Arizona, you probably know that dew points in the 50s and 60s are a sign that the monsoon is here.
In fact, the old technical definition of the “monsoon arrival” is when dew points in Phoenix average 55 degrees or higher for at least three days in a row. The updated definition no longer depends on dew points. Instead, the monsoon now officially starts June 15 and ends Sept. 30.
It is a bit early for dew points to be hitting the 50s and 60s; typically this is more likely to happen around July. Part of the reason for the early-arrival is due to previous Tropical Storm Alberto, which made landfall in Mexico this week. Some of the moisture out ahead of Alberto was able to drift into Arizona which enhanced the monsoonal flow.
If you don’t like the feeling of the higher humidity and higher dew points, you might not be happy with the forecast. At this time, dew points look like they will reach at least the 50s in the Valley through at least the weekend.
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