Observed Signal · Sep 8, 2026 · Market Analysis · Source: Retail-News · Impact: 2/5 · Sentiment: Neutral
US E-commerce seasonality hits new highs in 2025
According to ECDB, US e-commerce sales showed significant seasonality in 2025, with a 48% difference between the lowest month (February) and the highest (December). Total sales rose from $77.1 billion in February to $113.9 billion in December. Category-specific patterns were observed: toys surged 61% (from $1.49B to $2.40B), household care rose 49% (from $729M to $1.09B), and garden products peaked in May at $1.82B, with December sales at $1.68B. The article emphasizes that retailers must align inventory, budget, and staffing with their category's specific seasonal cycles, and suggests increasing ad spend before peak demand to avoid high competition.
Provides useful data for e-commerce marketers about seasonal patterns, but not industry-shifting news.
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Key Takeaways & Evidence Grounding
- US e-commerce sales in February 2025 were $77.1 billion, rising to $113.9 billion in December 2025.
- Seasonality in US e-commerce saw a 48% difference between the weakest and strongest months (Feb vs Dec 2025).
- Toy online sales increased from $1.49B (Feb) to $2.40B (Dec), a 61% swing.
- Household care category sales grew from $729M (Feb) to $1.09B (Dec), a 49% increase.
- Garden products peaked in May 2025 at $1.82B, with December at $1.68B.
- ECDB recommends increasing ad spend before peak demand periods to avoid high competition.
- Retailers should tailor inventory, staffing, and marketing to their product category's specific seasonal pattern.
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Holiday E-Commerce Spend to Reach $275B, Essentials Focus
Adobe forecasts U.S. online holiday sales (Nov 1-Dec 31) to grow 6.7% YoY to $275.1 billion, with Cyber Week sales up 7.4% to $47.5 billion and Cyber Monday set to exceed $15 billion. Consumers are increasingly using discounts to stock up on essentials rather than gifts, with categories like personal hygiene (+150%), clothing basics (+210%), baby products (+113%), pet products (+93%), and household cleaning (+49%) seeing significant spikes during Cyber Week. October's Prime Big Deal Days are expected to generate nearly $10 billion, reshaping the season. Mobile commerce will account for a record 63% of Thanksgiving Day spending, and BNPL is projected to reach $21.3 billion, with 82% of that on mobile. AI is also playing a major role, with AI-driven traffic to retail sites expected to surge 130%.
E-commerce to Outpace Holiday Retail Sales Growth with AI
A Deloitte forecast predicts e-commerce sales will outpace overall retail growth during the 2026 holiday season (Nov 2026 – Jan 2027). Total holiday retail sales are expected to grow 4-4.8% year-over-year to $1.7-$1.71 trillion, while e-commerce is projected to grow 7.5-8.4% to $316.1-$318.9 billion, aided by consumers' growing use of AI tools for shopping research. A Bain & Company report found that 24% of holiday shoppers plan to start product discovery using AI tools like Google Gemini, ChatGPT, and Claude, up 17% from 2025. Increased disposable personal income, projected to grow 4.5-5.2%, is also a factor. Retailers who stocked up early in anticipation of tariff changes may benefit from a strong season.
Adobe Forecasts Record $275B Holiday Ecommerce Sales
Adobe Analytics forecasts U.S. online retail sales to hit a record $275.1 billion during the 2026 holiday season, a 6.7% year-over-year increase, despite a 15% drop in consumer sentiment. The forecast is based on over 1 trillion visits to U.S. ecommerce sites, 100 million products, and 18 categories. The five-day Cyber Week period is expected to drive $47.5 billion, representing 17.3% of total holiday sales. The article mentions that AI and buy-now-pay-later will play growing roles, but the full details are behind a paywall. The data comes from Adobe Analytics, and the article references a September survey from the University of Michigan.
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