What is the weather like in India in December and January?

December and January are winter months across most of India. The North Indian plains (Delhi, Agra, Jaipur) are cool — 5°C to 22°C — with cold nights and mild days. Rajasthan can drop near 0°C at night. South India (Tamil Nadu, Kerala, Karnataka) remains warm at 18°C to 30°C. Himalayan regions have heavy snow and high-altitude roads are closed. North India fog can cause flight delays, particularly in early morning.

What is the weather like in India in October and November?

October and November are post-monsoon months. Rainfall reduces and temperatures moderate across most of the country. North Indian plains are comfortable at 15°C to 33°C in October, dropping further through November. South India's east coast (Andhra Pradesh, Tamil Nadu) receives Northeast Monsoon rainfall in October and November. Himalayan passes begin closing from October as snowfall returns.

Can you travel in India during the monsoon?

Yes. Monsoon changes travel significantly but does not make it impossible. Himalayan road corridors carry landslide risk and require flexibility in itineraries. South India and the Deccan are greener and cooler. National park are generally closed. Coastal areas on the Bay of Bengal face flooding and cyclone risk from October.

How hot does India get in summer?

North Indian plains (Delhi, Agra, Jaipur) reach 25°C to 45°C from March to May. Rajasthan reaches 28°C to 48°C by May. Heat-related illness is a genuine risk during peak summer without precaution. Himalayan regions remain cool at 5°C to 25°C and are accessible from May.

When does the monsoon start and end in India?

The Southwest Monsoon typically arrives at the Kerala coast in early June and reaches Delhi and Rajasthan by July. It begins withdrawing from northwest India in September, with the retreat completing across most of the country by October. Onset and withdrawal dates vary each year.

Does weather differ across India's regions in the same month?

Yes, dramatically. In June, Delhi is 25°C to 40°C and hot while Ladakh is 10°C to 25°C and clear. In December, North India is cold while Kerala is warm at 18°C to 30°C. National season labels describe broad meteorological patterns but do not predict conditions at a specific destination.

When are Himalayan passes open for travel?

Most Himalayan high-altitude passes are open from approximately May or June to October, depending on the specific pass and annual snowfall. The Leh-Manali Highway is typically open June to October. The Leh-Srinagar Highway opens around May. Leh is accessible by air year-round. Exact dates vary each year.

What causes flight delays in India in winter?

Dense fog in North India — particularly in late December and January — causes flight delays, sometimes severe, especially on early morning departures. Fog forms overnight and typically clears by mid-morning. Airports affected include Delhi, Varanasi, Lucknow, Patna, and others in the North Indian plains.

India Manual | Weather in India — Seasons and Travel Conditions

India's climate varies more dramatically by region than almost any other country of comparable size. National season labels — winter, summer, monsoon, post-monsoon — describe broad meteorological patterns but do not predict conditions at a specific destination.

Understanding weather in India requires two things: the national seasonal structure, and how that season actually behaves in the region you are visiting.

India weather by region — why conditions vary so much

India spans approximately 3,000 km from north to south and encompasses Himalayan alpine terrain, desert, tropical coastline, and rainforest within the same country. Delhi's summer temperature of 45°C and Kerala's monsoon of 3,000mm annual rainfall can occur in the same month.

Weather information for 'India' at a national level describes averages that apply nowhere precisely. Weather information for your specific destinations — Delhi, Rajasthan, Kerala, Himachal Pradesh — is what actually matters for travel planning.

India's four seasons — temperatures and regional variation

India follows four broad meteorological seasons that repeat annually: winter (December–February), summer (March–May), monsoon (June–September), and post-monsoon (October–November). Their effects differ significantly by region.

Winter in India — December to February

Winter is the most comfortable season for travel across most of India. Temperatures are moderate across the plains and pleasant in coastal and southern regions. In Himalayan regions, snowfall is heavy and high-altitude roads and passes are closed.

• North plains (Delhi, Agra, Jaipur): 5°C – 20°C. Cold nights, mild days
• Rajasthan: 4°C – 22°C. Can drop close to 0°C at night
• Himalayan regions: -20°C to 5°C depending on altitude. Heavy snow
• Central India (Madhya Pradesh, Maharashtra): 10°C – 25°C. Pleasant
• South India (Tamil Nadu, Kerala, Karnataka): 18°C – 30°C. Warm and dry
• Northeast India: 5°C – 18°C. Cool and dry

Summer in India — March to May

Temperatures rise sharply across the plains from late March onward. By May, the North Indian plains, Rajasthan, and Deccan Plateau (Maharashtra, Karnataka, Andhra Pradesh, Tamil Nadu, and Kerala) are at their hottest.

• North plains (Delhi, Agra, Jaipur): 25°C – 45°C. Intense heat from April–May
• Rajasthan: 28°C – 48°C. Among the hottest areas in the country
• Himalayan regions (Ladakh, Manali, Shimla): 5°C – 25°C depending on altitude. Cool and clear
• Central India: 25°C – 42°C
• South India: 25°C – 38°C. Hot and humid on the coast
• Northeast India: 15°C – 30°C. Pre-monsoon showers begin in April

Monsoon season in India — June to September

The Southwest Monsoon arrives at the Kerala coast in early June and progressively moves northward, reaching Delhi and Rajasthan by July. The monsoon does not arrive everywhere simultaneously — onset dates and withdrawal dates vary by region and year.

• North plains (Delhi, Agra, Jaipur): 25°C – 40°C. Hot and humid. Heavy rainfall from July
• Rajasthan: 28°C – 42°C. Limited rainfall compared to other regions
• Himalayan regions: 10°C – 25°C depending on altitude. Rain in Himachal and Uttarakhand
• Central India: 22°C – 35°C. Heavy and sustained rainfall
• South India: 23°C – 33°C. West coast receives peak annual rainfall June–September
• Northeast India: 18°C – 30°C. Extremely heavy rainfall across the region

Monsoon does not make travel impossible, but it changes the travel significantly. South India and the Deccan (Maharashtra, Karnataka, Andhra Pradesh, Tamil Nadu, and Kerala) are greener and cooler during monsoon.

Post-monsoon season in India — October to November

Rainfall reduces and temperatures moderate across most of the country from October onward. This is the transition into the second-most-comfortable travel window of the year. The Himalayan high-altitude roads begin seasonal closures again as snowfall returns to passes in October–November.

• North plains (Delhi, Agra, Jaipur): 15°C – 33°C. Temperatures dropping through November
• Rajasthan: 14°C – 33°C. Rapidly becoming comfortable again by October
• Himalayan regions: -5°C – 15°C. Snow returning to high passes from October
• Central India: 15°C – 30°C. Pleasant and dry
• South India: 22°C – 32°C. East coast entering Northeast Monsoon rainfall
• Northeast India: 10°C – 25°C. Stabilizing after monsoon withdrawal

How India's weather affect travel

Weather directly affects transport, accommodation availability, park access, and road conditions in India. Each season creates specific practical constraints that differ by region.

How winter affects travel in India — December to February

North India fog causes flight delays in early morning, sometimes severe. Build buffer time into any itinerary involving early morning departures or onward connections in late December and January. High-altitude Himalayan roads are closed but Leh is accessible by air year-round.

Winter is peak travel season for North India plains and Rajasthan. Accommodation demand and prices are at their highest from November to February. Book significantly in advance for December and January travel.

How summer affects travel in India — March to May

North Indian plains and Rajasthan see extreme heat. Heat-related illness is a genuine risk at 45°C+ temperatures without precaution. Himalayan destinations become accessible as snow clears from passes — May is peak season for Leh-Ladakh, Manali, and Spiti Valley.

For North India sightseeing in summer: plan outdoor activities for early morning (7:00–10:00 AM) and late afternoon (4:00–6:30 PM). Avoid outdoor exposure between 11:00 AM and 4:00 PM. Carry water at all times.

How monsoon affects travel in India — June to September

Monsoon affects all Himalayan road corridors. Roads can be blocked for hours or days by landslides and flash floods. Build significant flexibility into Himalayan itineraries during this period. Coastal flooding and cyclone risk on the Bay of Bengal coast increases from October.

Monsoon changes travel significantly but does not make it impossible. South India and the Deccan are greener and cooler. National parks in North India receive monsoon rainfall that rejuvenates the landscape. Accommodation prices are lower across most regions.

How post-monsoon affects travel in India — October to November

High-altitude passes begin closing from October as snowfall returns. Plan Himalayan road travel to conclude before the second week of October on most passes. National parks across India reopen from October 1 after monsoon closure — October to March is the primary safari window for Ranthambore, Kanha, Bandhavgarh, and other parks.