A heat wave sweeping across India is completely transforming usage patterns on quick commerce (instant-delivery e-commerce). According to the "Summer Trends 2026" report released by Swiggy Instamart, cold coffee orders rose about 700% month over month, and mangoes recorded gains of up to 358% in Tier 2 cities. Ice cream demand peaks at 9 p.m., and family-size tubs are outselling individual packs — "heat times 10-minute delivery" is rewriting consumer behavior itself.
According to Swiggy Instamart's tally, sales of summer products in April-May 2026 grew by as much as 300% week over week. What stands out is the explosive growth in individual categories: jeera masala soda rose 900% month over month and cold coffee about 700%, with cold beverage categories across the board posting order-of-magnitude growth rates.
The figure for sunglasses, up 650% year on year, also stands out. Heat countermeasures have spilled over into fashion accessories, and the behavior of "ordering sunglasses on quick commerce right before heading out" is becoming established. On the cooling front, fans and cooling appliances recorded growth of more than 280%.
India's quick-commerce market reached $6.78 billion (about 1 trillion yen) in 2025 and is projected to grow to $12.97 billion (about 1.9 trillion yen) by 2029 (a CAGR of 17.6%). Blinkit (a Zomato subsidiary), Zepto, and Swiggy Instamart together account for more than 85% of the market, and within this oligopoly, a battle for summer demand is playing out.
JioMart, BigBasket, and Flipkart Minutes, which entered in 2026, are trying to catch up, but matching the leading three companies' network density of dark stores (small urban warehouses) is no easy task.
| Category | Growth rate | Notes |
|---|---|---|
| Jeera masala soda | +900% month over month | A soft drink unique to India |
| Cold coffee | About +700% month over month | The mainstay of nighttime orders |
| Mango (Kozhikode) | +358% year on year | Growth stands out in Tier 2 cities |
| Mango (Madurai) | +231% year on year | The Sindhu variety is popular |
| Sunglasses | +650% year on year | Impulse buying before heading out |
| Fans and cooling appliances | Over +280% year on year | For households without air conditioning |
| Ice cream | Family-size packs are leading | Chocolate flavor tops the list at 28% |
| Dahi (yogurt) | 6 of the top 10 items are curd-based | Becoming a staple at every meal |
Consumers in Bengaluru: Bengaluru ranks first nationwide in ice cream demand, accounting for 14% of the total, and top users have spent over 11,000 rupees (about 19,000 yen) on cold coffee, buttermilk, mangoes, ice cream, and dahi alone in a single summer season.
Zepto: Reported a surge in demand for summer essentials such as ice cream, skincare, cold drinks, and hair care. "Beating the heat" and "personal grooming" have come to stand side by side as reasons for using quick commerce.
Flipkart Minutes: Orders for hand fans rose 44-fold, hydration drinks 12-fold, and swimwear 8-fold compared with April 2025, with non-food categories showing standout growth. Quick commerce's reach is expanding into non-food "heat-related items" as well.
What India's quick commerce shows is a phenomenon in which "10-minute delivery" is changing the unit of consumer purchasing. Family-size ice cream outselling individual packs reflects the fact that ordering a family-size tub "on impulse" has become established behavior. Ice cream demand peaking at 9 p.m. is likewise the result of a shift from "stocking dessert in the freezer" to "ordering it when you want it."
In Japan too, Amazon Now's rollout to 100 cities and other moves show that a wave of instant delivery is arriving, but the explosive seasonal swings seen in India have not occurred there. Still, as extremely hot days increase, it is quite likely that demand for "cold items x instant delivery" will surface in Japanese summers as well.
Once 10-minute delivery becomes the norm, food manufacturers are required to make small-lot, high-frequency deliveries to dark stores. In India, ice cream brands such as "Ob & Gob," designed exclusively for quick commerce, have emerged, and hit products are now being created without going through traditional supermarket distribution.
The explosion in mango demand in Tier 2 cities (Kozhikode +358%, Madurai +231%) shows that a model of direct-from-source delivery combined with instant delivery also works in regional cities. Snacking demand among older consumers, together with this, India's food distribution has entered a phase of being redesigned around the question of "who eats it, where, and when."
| Platform | Parent company | Market share | Delivery time | Summer topic |
|---|---|---|---|---|
| Blinkit | Zomato | Top-tier share | 10 to 15 minutes | Driving urban ice cream demand |
| Zepto | Independent | Growing rapidly | 10 minutes | Skincare and hair care also surging |
| Swiggy Instamart | Swiggy | One of the top three | 15-20 minutes | Released the Summer Trends 2026 report |
| Flipkart Minutes | Flipkart | Entered in 2026 | 10 to 15 minutes | Differentiating with non-food categories |
| JioMart | Reliance | Expanding | Within 30 minutes | Expanding into Tier 2-3 cities |
Summer in India is the "make-or-break season for annual sales" for quick commerce. Numbers like cold coffee up 700%, mangoes up 358%, and sunglasses up 650% tell the story of a heat wave fundamentally changing consumer purchasing behavior. The 9 p.m. ice cream peak, the shift to family sizes, and the rapid growth in Tier 2 cities are all structural changes brought about by "heat times instant delivery." For Japanese food manufacturers and e-commerce operators, India's summer is a leading indicator of "the next consumption pattern" that should not be overlooked.
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