This year unexpectedly the southwest monsoon has advanced to almost all of north-india before the end of June.
Take a look at the latest Northern limit of south west monsoon...
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_OdMgOaAft0hc13gPOm7950cUx4_TWDF3o_RorIPAGpCtG3BOtX9RyoB2Gj_LlC9bLujvqswIIsFWTFYrqybXLhcrAZBi6q7PdF-uaMFMdmyW9Jtj2c4kQwY_vSm-YeP4BttT9A/s400/mon-prog.jpg)
Chennai is experiencing some evening showers (sometimes with thunder), during this month. This feature is quiet common during the early stages of south west monsoon.
June rainfall is above average.