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Last update: 04:30, 25 Aug 2026
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Rain in Silvassa: What You Need to Know
Silvassa weather turns dangerous fast on its low-lying bridges. In July 2023, a father and son drowned when their car was swept off one such bridge during a heavy monsoon downpour that dumped 241mm of rain in 12 hours across the region — the kind of sudden rise a hyperlocal radar for Silvassa can flag well before a driver reaches the water.
The mechanism is water volume, not the coastline. Silvassa is landlocked, sitting roughly 25km inland from the Arabian Sea between Gujarat and Maharashtra, but the Daman Ganga River and its three tributaries cut directly across the territory, channeling monsoon runoff straight through town. Elevated terrain around Silvassa amplifies rainfall well above the flatter Gujarat coastal belt nearby — the district averages around 2,200mm a year, with a recorded annual maximum near 3,780mm, and July alone brings roughly 476mm over 18 rainy days. A single regional forecast cannot show how fast that runoff is rising on a specific low-lying crossing on NH848A while the road further along stays clear.
RainViewer draws its Silvassa feed from the India Meteorological Department (IMD), refreshed every 5 minutes, so the live map reflects new radar scans rather than a forecast issued hours earlier. Silvassa sits close enough to Vapi and the wider Vapi–Dadra–Piparia corridor that storm cells crossing the Daman Ganga basin show up on the same sweep before they reach the territory's bridges. What the live map reveals and a forecast cannot: whether a cell over the Daman Ganga's tributaries is heavy enough to put water over a low bridge in the next hour.
Rain by Season in Silvassa
Southwest monsoon (June–September, peak July)
July brings the heaviest rain, roughly 476mm over 18 rainy days, and is also when the Tarpa Festival — the Warli and Kokna tribal community's monsoon dance — is performed, alongside the Monsoon Medley Fest at Luhari Garden.
Withdrawal transition (October)
Monsoon withdrawal begins in October, though the exact timing shifts from year to year, making the tail end of the wet season the least predictable part of Silvassa's calendar.
Dry season (October–May)
Winter, October through February, is mild at 14–30°C; summer, March through May, turns hot and humid, reaching 35°C+ with 70–80% humidity. Both stretches carry far lower flood risk than the monsoon peak.
Why You Need a Rain Radar in Silvassa
Drivers crossing low-lying bridges on NH848A
A father and son drowned in July 2023 when their car was swept off one of these bridges along the Vapi–Dadra–Piparia–Silvassa route during a heavy monsoon downpour. Checking the radar before crossing shows whether a cell over the Daman Ganga's tributaries has pushed water over the bridge deck.
Emmbi Industries workers at Madhuban Industrial Estate
The polymer processing plant, with 1,000–5,000 employees, runs material handling that slows when monsoon rain floods access roads around the Athal, Piparia and Masat industrial estates. A shift lead checking the radar can time outdoor loading around the day's heaviest cell.
New India Cuprotec, Modison Copper and Rathi Re-rollers metals workers
Copper and TMT steel production involves outdoor material handling exposed to monsoon downtime whenever heavy rain crosses the industrial estates. Watching the radar lets a plant supervisor decide whether to pause an outdoor transfer rather than restart it mid-shower.
Visitors to Dudhni Lake at the Madhuban Dam reservoir
Shikara rides, jet-skiing and kayaking on Dudhni Lake are directly weather-dependent, and a monsoon cell can turn calm water rough within minutes. Checking the radar before booking a slot shows whether the afternoon is likely to stay clear.
Vasona Lion Safari Park visitors
The park's guided 40-minute safari rides through the Dadra and Nagar Haveli Wildlife Sanctuary are disrupted by heavy monsoon downpours. Checking the radar before a visit helps travelers pick a window between cells rather than arriving mid-storm.
RainViewer Radar Coverage in Silvassa
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. Silvassa sits inside the same coastal-adjacent corridor as Vapi and the wider South Gujarat belt, so storm cells moving up from the Arabian Sea toward the Daman Ganga basin are visible before they reach the territory's bridges.
Silvassa Rain Radar: Frequently Asked Questions
- Is it raining in Silvassa right now?
The fastest way to know is a live hyperlocal radar, since Silvassa's convective monsoon bursts can put a low-lying NH848A bridge under water within an hour of a cell forming overhead. RainViewer pulls fresh India Meteorological Department (IMD) radar scans every 5 minutes, so the map reflects current conditions rather than a forecast written hours earlier.
- Can I attend the Tarpa Festival or Monsoon Medley Fest during Silvassa's monsoon season?
Both events run during the June–September monsoon, with the Tarpa Festival's Warli and Kokna tribal dance performed through the wet season and the Monsoon Medley Fest held at Luhari Garden. Checking the radar before heading out helps visitors time arrival between the day's convective bursts rather than during one.
- Does rain disrupt travel on NH848A near Silvassa?
Low-lying bridges along the Vapi–Dadra–Piparia–Silvassa route on NH848A are flood-prone at monsoon peaks, and a July 2023 downpour swept a car off one such bridge. Checking the radar before crossing shows whether a cell over the Daman Ganga's tributaries has raised water over the bridge deck.
- Does Silvassa flood when it rains?
Yes — the Daman Ganga River and its three tributaries cut directly across Silvassa, and flooding here has a documented history, including a 1954 flood that cut off access to Naroli village. The more recent risk is concentrated on low-lying NH848A bridges, where a July 2023 monsoon downpour proved fatal for two people.
- When is the best time to visit Silvassa to avoid heavy rain?
October through May is Silvassa's dry season — mild at 14–30°C in winter, hot and humid at 35°C+ from March to May — well clear of the June–September monsoon. July is the wettest month at roughly 476mm over 18 rainy days, and the riskiest time to plan a visit around NH848A's low bridges.
- Why does inland Silvassa get more rain than the Gujarat coast nearby?
Silvassa sits landlocked about 25km from the Arabian Sea, but elevated terrain around the territory amplifies rainfall well above the flatter Gujarat coastal belt nearby — the district's annual average runs around 2,200mm, with a recorded maximum near 3,780mm. That terrain effect, combined with the Daman Ganga River's three tributaries funneling runoff through town, is why Silvassa floods more readily than its coastal neighbors despite not touching the sea.
- Is there a live rain radar for Silvassa?
Yes — RainViewer's hyperlocal radar for Silvassa draws directly from the India Meteorological Department (IMD), refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the corridor from Vapi through Dadra and Piparia to Silvassa, so cells crossing the Daman Ganga basin are visible before they reach the territory's bridges.
- Can I get a warning before rain hits a specific bridge on NH848A?
Yes — RainViewer's rain alerts can be set for a specific point like a NH848A crossing or the Madhuban Industrial Estate, so drivers and plant staff get a notification as a cell approaches instead of checking the map manually. That advance window matters most in July, when Silvassa sees its heaviest rain of the year.
Track Rain in Silvassa in Real Time
Drivers crossing NH848A's low-lying bridges and workers at Madhuban Industrial Estate both face the same problem: the Daman Ganga River's tributaries can rise fast enough to put water over a road before the sky over the estate even looks threatening. A regional forecast built on a single average cannot show which bridge is rising first.
A generic forecast says scattered showers for Silvassa this week. RainViewer's live hyperlocal radar shows a cell already dumping heavy rain over the Daman Ganga's tributaries while a NH848A bridge crossing stays clear for now — that is the call a driver makes before crossing it.
Track rain in Silvassa — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
See whether a cell over the Daman Ganga's tributaries is intensifying in the next two hours.
Rain alerts before arrival
Set an alert for a NH848A crossing or the Madhuban Industrial Estate and get notified before rain reaches it.
Direction arrows on the map
See whether a cell is tracking in from the Arabian Sea to the west toward Silvassa or sliding along the coast toward Vapi.
48 hours of radar history
Review the last 48 hours to see how fast rain built before a bridge crossing like the one swept in July 2023 turned dangerous.
Multiple locations
Track a NH848A bridge crossing, the Madhuban Industrial Estate, and Dudhni Lake at the same time.
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