While San Diego is known for its mild climate, the weather can vary throughout the year in ways that might surprise visitors. From the infamous “May Gray” and “June Gloom” to the warmer temperatures of late summer and early fall, this guide will help you pack appropriately for your San Diego adventure.
Table of Contents
Spring (March to April)
March:
- Daytime: Light layers such as long-sleeve shirts or light sweaters
- Evenings: Light jacket or warm sweater
- Footwear: Comfortable walking shoes
- Accessories: Sunglasses and a light scarf
April:
- Daytime: T-shirts or short-sleeve shirts, light jacket for cloudy days
- Evenings: Light jacket or cardigan
- Footwear: Comfortable walking shoes, closed-toe shoes
- Accessories: Umbrella (for occasional showers), sunglasses
Spring Tip: Spring can be unpredictable, with a mix of sunny and cloudy days. Layer your clothing and be prepared for possible light rain.
Late Spring to Early Summer (May to June)
May and June:
- Daytime: Light layers (long-sleeve shirts, light sweaters)
- Evenings: Warm jacket or sweater
- Footwear: Comfortable walking shoes, closed-toe shoes
- Accessories: Light scarf, umbrella
“May Gray” and “June Gloom” Tip: These months are known for marine layer clouds that often don’t clear until afternoon, if at all. It can be chilly and damp, especially near the coast. Pack warmer layers than you might expect for a Southern California spring. Our hoodies are perfect for these cooler days!
Summer (July to August)
July:
- Daytime: Light, breathable clothing (shorts, t-shirts, sundresses)
- Evenings: Light sweater or long-sleeve shirt for cooler nights
- Footwear: Sandals, comfortable walking shoes
- Accessories: Sunhat, sunglasses, light beach cover-up
August:
- Daytime: Lightweight, breathable clothing (shorts, t-shirts, tank tops, sundresses)
- Evenings: Light sweater or cardigan
- Footwear: Sandals, water shoes for beaches
- Accessories: Sunhat, sunglasses, beach essentials
Summer Tip: August can get quite hot, especially inland. Pack plenty of cool, breathable clothing and don’t forget swimwear and sunscreen.
Late Summer to Early Fall (September to October)
September and October:
- Daytime: Light clothing (shorts, t-shirts, sundresses) for hot days
- Evenings: Light jacket or sweater
- Footwear: Sandals, comfortable walking shoes
- Accessories: Sunglasses, sunhat, portable fan
Late Summer/Early Fall Tip: These months can be the hottest in San Diego, especially inland. Pack for summer-like weather, but bring a light jacket for evenings near the coast.
Fall (November)
November:
- Daytime: Long-sleeve shirts, light sweaters, jeans or pants
- Evenings: Warm jacket or coat
- Footwear: Closed-toe shoes, ankle boots
- Accessories: Scarf, sunglasses
Fall Tip: November sees cooler temperatures, especially at night. Layer your clothing for comfort throughout the day. Our hoodies are great for this transitional weather!
Winter (December to February)
December to February:
- Daytime: Warm layers (sweaters, long-sleeve shirts, jeans or pants)
- Evenings: Warm coat, jacket
- Footwear: Closed-toe shoes, waterproof shoes
- Accessories: Scarf, umbrella, warm hat
Winter Tip: While San Diego winters are mild compared to many places, it can get chilly and rainy. Pack waterproof gear and warm layers, especially for evenings.
Year-Round Essentials
- Comfortable walking shoes
- Sunglasses and sunscreen (even on cloudy days)
- Light jacket or sweater for evenings
- Layerable clothing items for varying temperatures
Additional Tips
- Casual dress is widely accepted in San Diego, even at many restaurants.
- If planning to visit high-end restaurants or nightclubs, pack a few dressier options.
- For outdoor activities or hikes, bring appropriate athletic wear and hiking shoes.
- Don’t forget a daypack for carrying essentials during your explorations.
- If visiting coastal areas, always bring an extra layer as temperatures can be cooler near the ocean.
Family Travel Tip: If you’re traveling with little ones, check out our kids and baby clothing for cute, San Diego-themed outfits that are perfect for vacation photos!
Conclusion
San Diego’s weather can be more variable than many visitors expect. From the cloudy, cool days of late spring to the heat of late summer and early fall, it’s important to pack with flexibility in mind. By bringing layerable pieces and keeping these seasonal tips in mind, you’ll be comfortable throughout your San Diego visit. Remember to check the weather forecast before your trip for the most up-to-date information, as microclimates can cause significant temperature variations between coastal and inland areas.
