Is it raining now in Thrissur?
Sunny
24 AugNo upcoming precipitation for the next hour.
Last update: 16:30, 24 Aug 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
- App Only
Track up to 20 locations
Home, office, kids' school - all at once, no switching tabs.
- App Only
Alerts for each of them
Get notified 15 minutes before rain - while you can still change your plans.
- App Only
Widgets on your home screen
Live radar without opening the app - on your lock screen or home screen.
Rain in Thrissur: What You Need to Know
Thrissur gets rain from two different monsoons in the same year. The SW monsoon (Edavappathi) from June to September delivers most of Kerala's roughly 85% seasonal total, and the NE monsoon (Thulavarsham) adds a second wet spell from October to November. Annual precipitation runs around 2,520mm, with June alone averaging 498mm, so a single Thrissur weather forecast rarely holds for more than a few hours. A hyperlocal radar is what separates a passing shower from the start of one of Thrissur's red-alert downpours.
The mechanism is geography on two fronts. Thrissur sits on the windward side of the Western Ghats and is the first part of Kerala hit by SW monsoon winds off the Arabian Sea, producing an earlier, more intense onset than inland India gets. At the same time, the Thrissur-Ponnani Kole wetlands lie 0.5-2.5m below mean sea level, so a single day of heavy rain is enough to flood the land — and the wetlands can stay inundated for nearly six months of the year. A forecast built around "expect showers" can't show which side of that threshold today's rain will fall on.
RainViewer's radar draws on India Meteorological Department (IMD) data, refreshed every 5 minutes, tracking the SW monsoon's arrival off the Arabian Sea before it reaches the Kole wetlands. What the live map shows that a forecast can't is whether a cell building over the coast will intensify by the time it crosses Vadakkunnathan Temple in the city center.
Rain by Season in Thrissur
SW Monsoon / Edavappathi (June–September)
Thrissur's first and heaviest monsoon delivers most of Kerala's roughly 85% seasonal rainfall total, peaking in June at 498mm average. It's the most operationally disruptive period for the Kole wetland paddy cultivation that supplies 40% of Kerala's rice, since flooding here has direct food-security stakes for the state.
NE Monsoon / Thulavarsham (October–November)
This second monsoon spell brings less predictable rain than the SW season, sometimes extending into December, and it arrives right as the Thrissur-Kuttippuram state highway and areas like Kecheri, Choondal and Kunnamkulam are still recovering drainage capacity from the SW season. IMD red alerts for torrential rain are common across Thrissur, Ernakulam, Malappuram and Idukki during this window.
Dry Season (December–February)
The gap between the two monsoons is Thrissur's driest, most reliable stretch. It's also the closest thing the district gets to a settled weather pattern, which is part of why Thrissur Pooram is timed for April-May instead — locals still watch the radar closely once pre-monsoon heat starts building toward June.
Why You Need a Rain Radar in Thrissur
Thrissur Pooram visitors
Thrissur Pooram draws over 1 million visitors to Vadakkunnathan Temple every April-May, timed deliberately for the pre-monsoon dry window before SW monsoon onset. Checking radar in the days before the festival shows whether the monsoon is arriving early, letting visitors and organizers adjust the outdoor schedule around it.
Residents near the Kole wetlands and Aswini Hospital
Low-lying land near Aswini Hospital and surrounding residential areas floods during monsoon red-alert events, since the Thrissur-Ponnani Kole wetlands sit 0.5-2.5m below mean sea level. Checking radar 20-30 minutes ahead shows whether a cell over the coast is intensifying, giving residents time to move belongings before water reaches the door.
Drivers on the Thrissur-Kuttippuram highway
The Thrissur-Kuttippuram state highway floods when the Vazhani dam shutters open during heavy rain, along with the Kecheri, Choondal and Kunnamkulam areas nearby. A radar check before a drive shows whether the storm cell has already passed or is still building over the route, avoiding a detour through standing water.
Kole wetland paddy farmers
Kole wetland paddy cultivation supplies 40% of Kerala's rice, and the crop cycle is tied directly to monsoon timing and flood control. A live radar check during SW monsoon onset shows farmers exactly when a cell is arriving, rather than relying on a district-wide forecast that can't localize timing to a specific field.
Travelers connecting through Cochin International Airport
Cochin International Airport, roughly 55-58km from Thrissur, is the main air gateway feeding the city's tourism economy. Checking radar before the drive into Thrissur shows whether monsoon rain is building over the Western Ghats' windward side, helping travelers time the trip around the worst of it.
Festival travelers from Thrissur Railway Station
Thrissur Railway Station, just 1-2km from Vadakkunnathan Temple, carries festival and tourist traffic connecting to Kochi, Chennai and Bangalore. A quick radar check before walking from the station to the temple shows whether the SW monsoon's first bands have reached the city center yet.
RainViewer Radar Coverage in Thrissur
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. Thrissur sits within this strong western-coast coverage band, with the live map also showing conditions across neighboring Ernakulam, Malappuram and the approach to Kochi.
Thrissur Rain Radar: Frequently Asked Questions
- Is it raining in Thrissur right now?
The only accurate answer is a live radar check, because Thrissur's SW monsoon rain can be flooding the Kole wetlands near Aswini Hospital while other parts of the city stay dry. RainViewer's hyperlocal radar, sourced from the India Meteorological Department (IMD), updates every 5 minutes so you see the current cell's exact position, not a district-wide guess.
- Will it rain during Thrissur Pooram?
Thrissur Pooram is timed for the pre-monsoon dry window in April-May, before SW monsoon onset, so rain during the festival is uncommon but not impossible if the monsoon arrives early. Checking radar in the days leading up to the event at Vadakkunnathan Temple shows whether an early monsoon band is approaching.
- Does rain affect the Thrissur-Kuttippuram highway?
Yes — the Thrissur-Kuttippuram state highway floods when the Vazhani dam shutters open during heavy rain, along with the Kecheri, Choondal and Kunnamkulam areas nearby. Checking radar before a drive shows whether a cell is still building over the route, letting drivers choose an alternate path instead of hitting standing water.
- Does Thrissur flood when it rains heavily?
Yes — the Thrissur-Ponnani Kole wetlands sit 0.5-2.5m below mean sea level, so a single day of heavy rain is enough to flood low-lying land near Aswini Hospital and surrounding residential areas, and the wetlands can stay inundated for nearly six months of the year. IMD red alerts for torrential rain across Thrissur, Ernakulam, Malappuram and Idukki signal the highest-risk periods.
- When is the best time to visit Thrissur to avoid heavy rain?
December through February, the gap between Thrissur's two monsoons, is the district's driest and most reliable stretch for outdoor travel. Thrissur Pooram in April-May is also deliberately timed for the pre-monsoon dry window, before SW monsoon rain arrives in June.
- Why does Thrissur get hit by rain twice a year?
Thrissur sits on the windward side of the Western Ghats and is the first part of Kerala struck by SW monsoon winds off the Arabian Sea, then gets a second, less predictable wet spell from the NE monsoon (Thulavarsham) in October-November. That dual-monsoon exposure, combined with Kole wetlands lying below sea level, is why a live radar beats a single seasonal forecast here.
- Is there a live rain radar for Thrissur?
Yes — RainViewer's hyperlocal radar for Thrissur draws on India Meteorological Department (IMD) data and refreshes every 5 minutes, tracking the SW monsoon's arrival off the Arabian Sea before it reaches the Kole wetlands. It shows the same red-alert-triggering cells that flood Thrissur, Ernakulam, Malappuram and Idukki, in real time.
- Can I get a warning before rain hits Thrissur?
Yes — RainViewer's rain alert notifies you before precipitation reaches a saved location, such as Vadakkunnathan Temple during Pooram or a home near the Kole wetlands by Aswini Hospital. Setting the alert there gives enough lead time to move indoors or reschedule an outdoor plan before the rain arrives.
Track Rain in Thrissur in Real Time
Pooram visitors at Vadakkunnathan Temple and paddy farmers in the Kole wetlands both depend on knowing exactly when Thrissur's monsoon will arrive. Thrissur is the first part of Kerala hit by SW monsoon winds off the Arabian Sea, so a cell that looks distant offshore can reach the Kole wetlands within the hour.
Your weather app says clear skies for Thrissur this afternoon. RainViewer shows the monsoon band is 40km off the coast and reaching the Kole wetlands in 45 minutes.
Track rain in Thrissur — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
See the next two hours in 5-minute steps, enough notice to get Pooram spectators near Vadakkunnathan Temple under cover before a cell arrives.
Rain alerts before arrival
Set an alert for Vadakkunnathan Temple or a home near the Kole wetlands by Aswini Hospital and get notified before the rain hits.
Direction arrows on the map
Direction arrows show monsoon storms tracking in off the Arabian Sea to the west, the same path that gives Thrissur its early monsoon onset.
48 hours of radar history
Review the last 48 hours to see how fast a Kole-wetlands-style flood built up before it hit.
Multiple locations
Track Vadakkunnathan Temple, the Kole wetlands and the Thrissur-Kuttippuram highway at once.
RainViewer
