Is it raining now in Guwahati?
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Last update: 21:30, 15 Aug 2026
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Rain in Guwahati: What You Need to Know
Guwahati weather delivers some of the heaviest rain totals of any major Indian city: annual rainfall estimates range from 1,722 mm up to 3,049 mm depending on the source, and July alone averages 720 mm. A hyperlocal radar is essential here because the city's flash floods build in minutes, not hours.
Guwahati sits below the hills of Meghalaya and its own hillocks, and rainwater runoff from that higher ground funnels straight into the city, carrying heavy siltation that clogs drains after nearly every downpour. On June 14, 2022, heavy rain triggered a landslide in Boragaon that killed at least four people and caused urban flooding the same day — the kind of runoff-driven event a rainfall total measured only in the city itself would miss entirely.
RainViewer's Guwahati weather map draws on India Meteorological Department radar, refreshed every 5 minutes, tracking cells over both the city and the Meghalaya hills that feed its drainage. The live map shows what a forecast can't: whether hill runoff is about to overwhelm a low-lying neighborhood before the rain even reaches street level in the city center.
Rain by Season in Guwahati
Monsoon (April–mid-October)
Guwahati's rainy stretch runs unusually long, from April through mid-October, with July the peak at 720 mm. This is the city's highest-risk period for flash flooding and landslides, since hill runoff from Meghalaya compounds even modest citywide rainfall totals into disproportionate flooding — a pattern the Assam government's "Mission Flood-Free Guwahati" program was set up to address.
Transition months (pre-monsoon showers, April–May)
April and May bring pre-monsoon showers that act as a precursor to the main season, and humidity climbs toward 90% as the Brahmaputra and surrounding wetlands warm up. These early showers are less intense than the July peak but still unpredictable enough to disrupt outdoor plans with little notice.
Dry season (November–March)
December is Guwahati's driest month at just 12 mm. Assam's tea plucking season, which peaks during the wet months from roughly April through November, winds down in this window, and the city sees its calmest, most predictable weather of the year.
Why You Need a Rain Radar in Guwahati
Residents near Guwahati's hillocks
Residents living near Guwahati's hillocks and low-lying areas below the Meghalaya hills, including Boragaon where a 2022 landslide killed four people, check the radar during heavy monsoon spells to judge runoff risk before it reaches their neighborhood.
Commuters crossing the Brahmaputra
Commuters crossing the Brahmaputra between North and South Guwahati by bridge or ferry — a daily transport dependency unique to this city — check the radar before a crossing, since a heavy cell over the river can affect both bridge traffic and ferry conditions.
Guwahati Refinery and oil-sector workers
Workers at the Guwahati Refinery on the Brahmaputra's bank at Noonmati, India's first public-sector refinery and now expanded to 1.2 MMTPA capacity, check the radar before an outdoor task during a heavy monsoon burst.
Tea trade workers during plucking season
Workers involved in Assam's tea trade, for which Guwahati serves as the auction gateway, check the radar during the April–November plucking season, since heavy rain affects both outdoor plucking schedules and transport to auction houses.
Travelers via Lokpriya Gopinath Bordoloi International Airport
Travelers heading to the airport at Borjhar, roughly 25 km from Guwahati Railway Station, check the radar before the drive, since hill-runoff flooding can affect roads well before rain is visible at the airport itself.
RainViewer Radar Coverage in Guwahati
RainViewer draws radar data for India from the India Meteorological Department (IMD) via mausam.imd.gov.in, updated every 5 minutes. Coverage is strongest across the Gangetic Plain, western coast, and major cities; sparser in the Himalayan foothills and remote northeast. From Guwahati, the same map extends into the Meghalaya hills and along the Brahmaputra toward Tezpur.
Guwahati Rain Radar: Frequently Asked Questions
- Is it raining in Guwahati right now?
The only reliable answer is a live radar check — Guwahati's flash floods build within minutes as runoff pours down from the Meghalaya hills, faster than any citywide rainfall total can capture. RainViewer's hyperlocal radar draws on India Meteorological Department data and updates every 5 minutes, showing exactly where rain is falling right now.
- Should I cross the Brahmaputra today?
Check the radar before a bridge or ferry crossing between North and South Guwahati — a heavy cell over the river can affect both traffic and ferry conditions with little warning. RainViewer shows whether rain is building over the crossing 20 to 30 minutes ahead.
- Does rain affect the drive to Guwahati Airport?
Yes — hill-runoff flooding on roads leading to Borjhar, about 25 km from Guwahati Railway Station, can slow the drive even when rain hasn't yet reached the airport itself. Checking the radar before leaving shows whether a cell sits over the Meghalaya hills feeding the route.
- Does Guwahati flood when it rains?
Yes — nearly every heavy rain event triggers flash flooding or waterlogging, driven by runoff from the Meghalaya hills and Guwahati's own hillocks overwhelming city drains. A June 2022 landslide in Boragaon killed at least four people and caused citywide urban flooding the same day.
- When is the best time to visit Guwahati to avoid rain?
November through March is Guwahati's driest stretch, with December averaging just 12 mm, well outside the April–mid-October rainy season. Outdoor sightseeing and Brahmaputra river trips face the least disruption in these winter months.
- Why does Guwahati flood so easily compared to its rainfall totals?
Guwahati sits below the hills of Meghalaya, and heavy siltation carried by runoff from those hills clogs the city's drains after nearly every downpour, so even a modest citywide rainfall total can trigger disproportionate flash flooding. That's why live radar tracking both the city and the surrounding hills matters more here than a simple Guwahati weather number.
- Is there a live rain radar for Guwahati?
Yes — RainViewer's hyperlocal radar for Guwahati draws on India Meteorological Department (IMD) data, refreshed every 5 minutes. It tracks cells over both the city and the Meghalaya hills that feed its drainage rather than giving one city-wide reading.
- Can I get a warning before rain hits Guwahati?
Yes — RainViewer's rain alert can be set for a specific spot, like a hillock-adjacent neighborhood or a Brahmaputra crossing point, and it triggers before the rain arrives. That gives enough lead time to move to higher ground or delay a river crossing.
Track Rain in Guwahati in Real Time
Crossing the Brahmaputra or living near one of Guwahati's hillocks — this city floods faster than its rainfall totals alone would suggest.
Runoff from the Meghalaya hills can turn a modest citywide shower into a flash flood in a low-lying neighborhood within minutes.
Your weather app said moderate rain for Guwahati today. RainViewer shows the Meghalaya hills are already saturated while the city center stays dry — that's the lead time a Boragaon resident needs before runoff reaches their street.
Track rain in Guwahati — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see exactly when a burst over the hills feeding Guwahati is set to reach the city.
Rain alerts before arrival
set an alert for a hillock-adjacent neighborhood like Boragaon or a Brahmaputra crossing point so there's time to move before runoff arrives.
Direction arrows on the map
Guwahati's heaviest cells typically build over the Meghalaya hills to the south; direction arrows show runoff-producing rain approaching before it reaches the city.
48 hours of radar history
check how a system has tracked over the Meghalaya hills and Brahmaputra valley during a multi-day monsoon spell.
Multiple locations
track a hillock neighborhood, a Brahmaputra crossing, and the Guwahati Refinery at Noonmati at the same time.
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