
In December, Anaheim averages 48–69°F with about 4 rainy days and the mild Southern California winter that makes it one of the most pleasant months to visit Disneyland. Evenings cool to the upper 40s, so a proper jacket is needed after dark — morning Disneyland openings at 48°F are genuinely chilly for visitors expecting SoCal warmth. The inland location means December nights run 5–8°F colder than coastal Los Angeles.
December in Anaheim is SoCal winter at its most appealing — 69°F sunny afternoons, relatively low crowds compared to summer, and Disneyland's holiday overlay transforming the parks into a genuinely magical destination. The temperature range of 48–69°F is manageable with smart layering: morning park openings at 48°F are chilly enough to warrant a real jacket, while afternoon California sun brings temperatures into the comfortable mid-60s. Disneyland Resort's holiday season runs through early January, and December is the most festive time of year in the parks. The extensive walking that Disneyland demands — 8–12 miles of pavement daily — remains the primary footwear consideration regardless of season. In December, flat, comfortable walking shoes keep feet comfortable through long park days; cold morning starts benefit from slightly warmer footwear than summer sandals provide. Anaheim's inland location means December nights drop 5–8°F colder than the coast — while Santa Monica sits at 58°F lows, Anaheim reaches the upper 40s. A jacket that works for 48°F morning temperatures and layers off by 1pm when the sun has warmed things to 68°F is the ideal December Anaheim strategy. A light rain layer covers the 4 or so wet days without adding significant bulk. December has essentially no summer-style heat considerations — no June Gloom, no Santa Ana winds. The weather is predictably mild and pleasant once the morning chill lifts. Winter rains, when they arrive, tend to be light and pass quickly rather than the sustained cold systems that affect the Pacific Northwest.
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What to Pack for Anaheim in December →
Wear layers in Anaheim in December — mornings start at 48°F and afternoons warm to 69°F, creating a 21°F swing that makes layering essential. A jacket for morning Disneyland park openings is non-negotiable; it can be tied around the waist by early afternoon when the sun warms things up. Comfortable flat walking shoes handle the 8–12 miles of daily Disneyland pavement in both the morning chill and the warm afternoon.
December is one of the best months to visit Anaheim — Disneyland's holiday overlay is spectacular, crowds are lower than summer peak, and the 69°F afternoons are ideal for theme park exploring. The mild winter weather makes outdoor waiting in lines comfortable, and the holiday decorations across the resort are genuinely impressive. The main adjustment is packing for 48°F morning temperatures that summer visitors don't anticipate.
Comfortable flat walking shoes or supportive sneakers are the best choice for Anaheim in December, particularly for Disneyland visits that involve 8–12 miles of pavement walking. Closed-toe options with light insulation keep feet warmer in the 48°F morning starts than summer sandals. The mild dry weather means waterproofing is only occasionally relevant — about 4 days of the month see rain.
Anaheim averages a high of 69°F and a low of 48°F in December, with about 4 rainy days. Inland Anaheim runs 5–8°F colder at night than coastal LA, meaning evenings and early mornings feel genuinely cool. January is the coldest month, averaging similar temperatures — December sits right at the mild winter baseline for Southern California.
Pack layers — a warm jacket for morning starts, lighter pieces for afternoon warmth — along with comfortable walking shoes and a light rain layer for the occasional December shower. Disneyland holiday season means festive casual dressing is both appropriate and fun. No heavy winter gear is needed; a medium-weight jacket handles Anaheim's December temperatures without the bulk of a serious winter coat.