Timing Janna's ultimate can push enemies away from a wounded ally or even separate enemies.
Eye of the Storm can be used on allied turrets.
Quickly firing a Howling Gale without the charge up can be used to heavily disable the other team.
Try to engage him in short bursts instead of going toe-to-toe with him. Preventing him from attacking consecutively drastically lowers his damage output.
Jax can dodge all incoming attacks for a very short amount of time and stuns enemies in melee range when it ends. Wait to strike him until after his dodge is finished.
The stats provided here clarify several vital Janna vs. Jax counter statistics that can help us appreciate the differences between this set of champs. Janna’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jax’s ratio of NaN, indicating that Janna may be more central to her team's team fighting capacity than Jax. This observation is in large part caused by the differences in assists.
Janna usually has a significantly smaller longest kill spree than her foe does. On average, she takes less damage than Jax. This often reflects differing health capacities; however, it can also imply that the champ with more HP has less agility and thus is not able to kite away from additional harm when poked or engaged.
Both League champs are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Janna usually fairs equally well when trying to fight Jax, with a 50.7% win rate. As a result, Janna makes an ok counter for Jax.
While Janna does have a higher win rate than Jax, when facing one another, Janna also has a greater difficulty level that makes her a more challenging champion to pick up and master. You should be careful when picking Janna into Jaxas her relative depth means you may not be able to unleash her full potential without a lot of practice beforehand.
Moreover, Janna also has a very large amount of CC and other utility, a similar amount to Jax. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Janna vs Jax matchups, Janna is the better champ with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Janna is a decent counter for Jax. You will do well by focussing your play on maximizing your gold income and clearing objectives. If you do that, you should do very well as Janna against Jax.
To truly master Janna in order to counter Jax during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and stats displayed here, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Janna typically accumulates a lot less CS compared to Jax. Champs who typically don't earn much CS often don't need much CS to be effective, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often have to have several high cost items to be effective. In either situation, try to exceed the numbers shown here to do well.
The top items to use in your Janna versus Jax build include Redemption, Solstice Sleigh, and Moonstone Renewer. When Janna combined at least these three items in her build, she performed much better when facing Jax than with many other commonly used builds. In fact, Janna had an average win rate of 50.7% when countering Jax with these items in her kit.
To have the greatest likelihood of annihilating Jax as Janna, Janna players should use the Summon Aery, Manaflow Band, Celerity, Scorch, Relentless Hunter, and Taste of Blood runes from the Sorcery and Domination rune sets. Out of all the rune sets players chose for Janna vs Jax face-offs, this blending of runes resulted in the highest win rate. Moreover, these runes averaged a 50.7% win rate overall.
If you want to see Janna vs Jax tips and counter stats for a a distinct rank, feel free to choose one from the selection menu provided above. By default, the statistics and strategies given are calculated using all matches completed with these champs.