just found this on the web:
<TABLE cellSpacing=0 cellPadding=5 width="100%" border=0><TBODY><TR><TD bgColor=#e9edf8 colSpan=3>[FONT=verdana,arial,helvetica,sans-serif]Average Vegas Temperatures
[FONT=verdana,arial,helvetica,sans-serif]All figures are according to National Weather Service records for the Las Vegas Valley.[/FONT][/FONT]</TD></TR><TR><TD width="33%">[FONT=verdana,arial,helvetica,sans-serif]Month[/FONT]</TD><TD width="33%">[FONT=verdana,arial,helvetica,sans-serif]High[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]Low[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]January[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]58? F (14? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]34? F (1? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]February[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]63? F (17? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]39? F (4? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]March[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]69? F (21? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]44? F (7? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]April[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]78? F (26? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]51? F (11? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]May[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]88? F (31? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]60? F (16? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]June[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]100? F (38? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]69? F (21? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]July[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]106? F (41? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]74? F (23? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]August[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]103? F (39? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]74? F (23? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]September[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]95? F (35? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]66? F (19? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]October[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]82? F (28? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]54? F (12? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]November[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]67? F (19? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]43? F (6? C)[/FONT]</TD><TR><TR><TD>[FONT=verdana,arial,helvetica,sans-serif]December[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]58? F (14? C)[/FONT]</TD><TD>[FONT=verdana,arial,helvetica,sans-serif]34? F (1? C)[/FONT]</TD></TR></TBODY></TABLE>
suppose i should look more at june than may since its really the end of may?