Nami's ultimate can come in very handy for initiating on enemies who are far away.
Using Ebb and Flow during an engagement with enemy champions will help sway the battle in your favor.
Aqua Prison has a long cooldown, make sure to use it at the right moment.
Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
Save an interrupt ability for when Janna uses her ultimate.
Listen for the charge up sound on Howling Gale in case Janna is trying to hit you with it from off screen or from brush.
The stats shown on this page show some influential Nami versus Janna counter statistics that may help you explain the differences between the pair. As an example, Nami’s KDA ratio ([kills + assists] / deaths) of NaN is more than Janna’s KDA ratio of NaN, showing that Nami may be more central to her team's team fighting capacity than Janna..
Nami typically has a similar longest kill spree as her matchup does. On average, she takes a similar amount of damage to Janna. This is usually reflective of differing health capacities; however, it can also hint that the one champion has less mobility and thus is unable to escape additional damage when poked or engaged.
Both LoL champs are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Nami usually loses when taking on Janna, with a 48.7% win rate. As a result, Nami makes a bad counter for Janna.
While Nami does have a lower win rate compared to Janna, when on opposite teams, Nami also has a lower learning curve that makes her a less time consuming champion to develop with. You still need to be cautious when picking Nami into Janna.
Moreover, Nami also has a lot of utility and CC, a similar amount to Janna. This often makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Nami vs Janna matchups, Janna is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during teamfights.
Nami is a somewhat poor counter to Janna. Focus your strategy on increasing your gold and cs and taking out objectives. If you can do that, you should hold your own as Nami against Janna.
To truly master Nami to counter Janna during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you listen to the build and suggestions shown above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Nami typically racks up a similar amount of CS relative to Janna. Champs who typically don't acquire many minion kills typically don't need much CS to be effective, such as support champions. They are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the values displayed here to do well.
The most important items to use in your Nami versus Janna build include Ardent Censer, Imperial Mandate, and Staff of Flowing Water. When Nami combined at least these three items in her build, she performed significantly better when facing Janna than with most other common counter builds. In fact, Nami boasted an average win rate of 48.7% battling Janna with this build.
To have the highest probability of coming out on top against Janna as Nami, Nami players should use the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the rune builds that we analyzed for Nami vs Janna LoL games, this combination of runes yielded the highest win rate. Moreover, these runes provided a 48.7% winrate overall.
If you want to get Nami versus Janna tips and counter builds for a an individual division, feel free to choose one from the selection menu provided above. By default, the statistics and build suggestions shown are calculated using every game completed with both champs.