MONSOON REPORT 2026

 

JUNE 2026 was the 5th worst month of monsoon rainfall since 1901. 2009 was the worst year of rainfall within this period (1901-2026) with a record low of 85.7 mm. Percentage wise 1926 was the worst June (9.88%) of that year's total monsoon (97.2mm / 983.7mm).

Since 1901 the June rainfall has ranged from about 10% on the lower end to about 28% on the higher end as as percentage of the four month monsoon period. 1918 was the highest percentage June (28%) of that year's total monsoon (206.3mm / 736.5mm). 

(figures given here might differ slightly based on the various IMD/IITM departmental data sites).

Compiled by Vag GSB

 

Significant below normal rain in Pune in June 2026

Pune Shivajinagar recorded 64mm in June 2026. This is the 2nd driest June for Pune after 2016.

June rain in Pune (Shivajinagar) since 2014

2014: 13.8mm

2015: 211.2mm

2016: 59.0mm

2017: 207.8mm

2018: 148.0mm

2019: 197.9mm

2020: 207.7mm

2021: 152.5mm

2022: 35.0mm

2023: 83.9mm

2024: 252.0mm

2025: 207.7mm

2026: 64.0mm

In June 2026 only 3 days Pune Shivajinagar recorded double digit rain (see attached graph).

Maharashtra June Rainfall and deficit %

Compiled by Vag Abhijit👆

Goa details of June from Vagaries Goa by Vag. Atul Naik 

 

29th June

SW Monsoon 2026 at a crucial juncture...shifting gears and entering the first major active spell of the season🌧️!

Mumbai: Rain intensity and spread to increase across Mumbai/Navi Mumbai, Thane, Palghar regions. Expecting moderate to heavy rains in this week. Chance of very heavy rains from 2nd to 4th July, occasional thunder possible.

Accumulation till 4th July could reach/exceed 350-400 mm in the city/suburbs.

With westerly winds expected to strengthen from 2nd July, interior konkan and Ghats can get much needed heavy rains.

Pune: Light to moderate monsoon showers likely, cool daytime weather. Overall between 30-60 mm possible in this week around Pune city, little heavier in western parts.

Nashik/Dhule/Nandurbar/Jalgaon districts can receive some heavy rains between 2nd and 7th July...more updates by mid-week

Gujarat: Monsoon to advance upto Surat by 2nd July, maybe till Bharuch/Baroda by the weekend (5th July). Heavy rains in south Gujarat from 1st/2nd July onwards.

By Vag. Shreyas 

 29th June:

Indian Sub Continent was warned of Severest Heat..But the effect was in Europe 

Europe  28th👇 

India👇27th

U.K. 26th👇

Germany 27th👇

 27th June

Current Scenario:

Good rainfall along trough 

Deficency in Maharashtra/Gujarat as on 27th June 

Mumbai day frequency rain last 4 crucial weeks

Mumbai rain frequency to increase from 1st July

Mumbai 

Pune rain frequency last 4 crucial weeks