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Last update: 12:30, 24 Aug 2026
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Rain in Kohima: What You Need to Know
Kohima weather is dominated by a summer monsoon that runs long and hard: June through September brings 4–5 months of sustained heavy rain, part of an annual total of 2,899mm with July alone averaging around 551mm. A live rain radar for Kohima matters through that whole stretch, because a hyperlocal radar can track how much rain has already saturated the hillslopes above the city, not just how much fell today.
The mechanism is geology as much as topography. Kohima sits at 1,437m elevation in the Naga Hills, part of the Barail Range rather than the Patkai Range further east near Myanmar, on ground built from highly jointed, fractured Disang Group shale and siltstone. That rock worsens slope instability once it saturates, and Nagaland is designated Zone V — the highest landslide hazard zone on India's Landslide Hazard Zonation Map. A peer-reviewed geospatial study has documented landslides along NH-29 in the Kevüza area of Kohima city itself, and slope-saturation risk builds progressively across the monsoon window, peaking late in the season. A single district forecast cannot show how many consecutive wet days a specific slope has already absorbed.
RainViewer draws its Kohima feed from the India Meteorological Department (IMD), refreshed every 5 minutes, so the live map reflects new radar scans as they arrive rather than a forecast written hours earlier. Kohima sits along the NH-29 corridor connecting to Dimapur, so rain bands moving through the wider Naga Hills corridor show up on the same sweep before reaching the Kevüza area or Kisama Heritage Village. What the live map reveals and a forecast cannot: whether today's rain is adding to an already-saturated slope or falling on ground that has had time to drain.
Rain by Season in Kohima
Summer monsoon (June–September)
This is Kohima's wet season, peaking in July at around 551mm, and it is the period when slope-saturation risk builds progressively toward its late-season peak. The 4–5 month duration means hillslopes along routes like NH-29 rarely get a long enough dry spell to fully recover before the next spell arrives.
Dry season (winter months)
Rainfall drops sharply through the cooler winter months, and this is when landslide risk on saturated slopes is at its lowest for the year.
Post-monsoon dry, safe-travel season
The Hornbill Festival runs December 1–10 at Kisama Heritage Village, 12km from Kohima, timed to land squarely in this drier, more stable stretch of the year — a deliberate alignment with safer travel conditions on routes like NH-29.
Why You Need a Rain Radar in Kohima
Travelers on NH-29 through the Kevüza area
A peer-reviewed geospatial study has documented landslides specifically along NH-29 in the Kevüza area of Kohima city, the main road link connecting Dimapur to Kohima in a 3–4 hour drive by shared sumo or taxi. A driver checking the radar before setting out during monsoon season can judge whether recent rain has likely saturated slopes along this stretch.
Farmers across the Naga Hills
Over 60% of Nagaland's population depends on farming, and a state task force has targeted agriculture as a key sector alongside handloom and handicrafts. A farmer tracking the radar through the June–September window can time planting and harvest work around the heaviest spells of the monsoon.
Handloom and handicraft producers
Handloom and handicrafts are showcased annually at the Hornbill Festival at Kisama Heritage Village, much of the production involving outdoor drying and finishing work. A producer checking the radar can protect materials from an unexpected shower during the wetter months.
Residents near saturated hillslopes
Nagaland's Zone V landslide designation, combined with the fractured Disang Group shale and siltstone underlying Kohima, means residents on slopes near the city face rising risk the longer the monsoon runs. Watching the radar for consecutive wet days helps judge when risk is building toward its late-season peak.
Hornbill Festival visitors to Kisama Heritage Village
The 10-day festival, held December 1–10, draws national and international visitors to Kisama Heritage Village, 12km from Kohima, during the region's driest and most travel-stable window. A visitor checking the radar before the drive out can confirm conditions remain clear on NH-29.
RainViewer Radar Coverage in Kohima
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 — a zone that includes the Naga Hills around Kohima, so checking for the latest available scan matters here more than in denser-coverage cities.
Kohima Rain Radar: Frequently Asked Questions
- Is it raining in Kohima right now?
The fastest way to know is a live hyperlocal radar, since a monsoon cell can sit over the Kevüza area along NH-29 while Kisama Heritage Village 12km away stays dry. RainViewer pulls fresh India Meteorological Department (IMD) radar scans every 5 minutes, so the map reflects current conditions rather than an older forecast, though coverage is sparser in this Himalayan-foothill zone than in central India.
- Should I plan a Hornbill Festival visit around the rain?
The festival's December 1–10 dates at Kisama Heritage Village are timed to Kohima's driest, most travel-stable stretch of the year, well clear of the June–September monsoon. Checking the radar before the drive out on NH-29 is still worth doing, since even the dry season can bring occasional rain.
- Does rain affect travel on NH-29 between Dimapur and Kohima?
Yes — a peer-reviewed geospatial study documented landslides specifically along NH-29 in the Kevüza area of Kohima city, and the 3–4 hour route is exposed to slope instability during the monsoon. Checking the radar before this drive shows whether recent rain has likely saturated the slopes along the way.
- Does Kohima see landslides when it rains?
Nagaland is designated Zone V, the highest landslide hazard zone on India's Landslide Hazard Zonation Map, and Kohima sits on highly jointed, fractured Disang Group shale and siltstone that worsens slope instability once saturated. Residents near hillslopes should track consecutive wet days on the radar, since risk builds progressively across the 4–5 month monsoon.
- When is the best time to visit Kohima to avoid heavy rain?
The post-monsoon dry season, including the December Hornbill Festival window at Kisama Heritage Village, offers the calmest and most travel-stable conditions. Visitors should avoid the June–September monsoon, when July alone averages around 551mm and slope-saturation risk is building toward its late-season peak.
- Why does landslide risk in Kohima build up over the whole monsoon, not just one storm?
Kohima sits on fractured Disang Group shale and siltstone in Nagaland's Zone V landslide zone, so each successive rainy day adds to how saturated the hillslopes already are. That is why slope-saturation risk peaks late in the June–September monsoon rather than after any single heavy downpour.
- Is there a live rain radar for Kohima?
Yes — RainViewer's hyperlocal radar for Kohima 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 NH-29 corridor toward Dimapur, though coverage in this Himalayan-foothill region is sparser than in central India.
- Can I get a warning before rain hits NH-29 near Kohima?
Yes — RainViewer's rain alerts can be set for a specific point like the Kevüza area on NH-29 or Kisama Heritage Village, so travelers get a notification as a cell approaches instead of checking the map manually. That advance window helps a driver decide whether to delay a trip on a known landslide-risk stretch.
Track Rain in Kohima in Real Time
Drivers on NH-29 through the Kevüza area and farmers across the Naga Hills both work through a monsoon that runs 4–5 months and builds landslide risk the longer it lasts. A routine July shower on already-saturated Disang Group shale can be the one that finally moves ground along the road.
A generic forecast says monsoon showers for Kohima this week. RainViewer's live hyperlocal radar shows the Kevüza area is already soaked while Kisama Heritage Village stays dry — that is the call a driver makes every time a Naga Hills cell builds.
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2-hour forecast in 5-minute slices
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Rain alerts before arrival
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Direction arrows on the map
See whether a band is tracking in across the Naga Hills toward Kohima or moving off toward Dimapur.
48 hours of radar history
Review the last two days to see how many consecutive wet hours a slope along NH-29 has absorbed.
Multiple locations
Track NH-29, the Kevüza area, and Kisama Heritage Village at the same time.
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