What is the best time of the year for quality WWE wrestling?

This is a short one. The question is simple: what level of wrestling quality can you expect from the WWE in different months? We look at Wrestling Observer Newsletter star ratings for WWE PPV matches from April 2002 until now (April 2002 saw the WWF become the WWE and that sort of marks the beginning of the post-attitude era, but really it just functions as an arbitrary cut-off point for me to do the analysis).

The following graph shows the average WON star rating for a WWE PPV match between 2002 and now which is around **1/2 and is thus right in the middle of the *****-rating continuum. (BTW: star ratings are not normally distributed around the mean but the distribution is skewed in that there are substantially more bad [* and lower] than great [>= ****] matches - sadly 😒; what pushes the mean towards the center are a large share of ***-to***1/2 matches).
Anyway, the blue-ish line shows the average rating for matches which have taken place at a WWE PPV in the respective month:

Takeaways:

• Wrestlemania rocks: March and April usually mean good times for fans of good wrestling - that's not very surprising as these months regularly include Wrestlemania which tends (see my post on Wrestlemania quality over time below) to deliver quality wrestling!
• Summerslam is pretty good, too: Also not surprising as this is widely considered WWE's number two event (solidly behind Wrestlemania, though) and usually takes place in August. 
• Survivor Series blows: Well, I hadn't expected this but thinking about it, I can't really remember a great Survivor Series PPV... November is the second worst month for WWE PPVs
• Christmas and Wrestling = no match: WWE's final PPV of the year tends to be a real stinker, scoring way below the average!
• Armageddon ... yikes!
• So - as a general rule - if you need a break from the WWE (which really helps from time to time), you might as well take it between September and January. This is especially handy if you're an NFL fan!
• Great months: March, April, August
• Average months: January, February, May, June, July, September
• Awful months: October, November, December