Climate and monthly weather forecastAnaheim, CA

The climate of Anaheim

Renowned for its Mediterranean climate, Anaheim finds itself categorized in the hot summer region under the Köppen climate classification as Csa. Given its geographical positioning in California, the weather throughout the year is more often than not, moderate, with mild, wet winters and warm, dry summers. Despite these overarching seasonal characteristics, each month carries distinct weather dynamics all year round.

The average high temperatures range from 64°F (17.8°C) in December to an apex of 83.5°F (28.6°C) in August - attesting to the welcoming warmth that graces Anaheim through the majority of the year. In contrast, the lows exhibit a slighter variation, spanning between 50.2°F (10.1°C) in February to 65.5°F (18.6°C) in August. The relative humidity hovers mostly between 54% and 65%, making Anaheim a location with a rather balanced atmospheric moisture content, and avoiding extreme dry or humid conditions.

From a rainfall perspective, Anaheim becomes a tale of two distinct halves. The first half, from January to July, sees a gradual drop in rainfall from 1.26" (32mm) in February to a minimal 0.04" (1mm) in June. However, an upward surge is observed from August onwards, culminating in December with 1.54" (39mm) of rainfall. Correspondingly, the number of rainfall days also follows the same trend, highlighting December as the wettest month with 6.6 days of rain.

The interaction between sunlight and cloud behavior in Anaheim further elucidates its weather profile. Sunshine hours peak in the summer months, reaching their zenith at 12 hours per day from June to August. Cloud cover, conversely, is least pronounced during these times, dropping to as low as 8% in July. Indeed, summer is when Anaheim basks in its maximum light and minimum obscurity.

The best time to visit Anaheim

Given the climate conditions and visitor preferences, April to October could be earmarked as the best time to visit Anaheim. This period offers a blend of warmth and sunlight, with average high temperatures ranging from 70.5°F (21.4°C) to 83.5°F (28.6°C). Sunshine hours also peak reaching up to 12 hours per day, and the cloud cover dwindling to as less as 8%. Such conditions provide ample opportunity to explore the outdoors, visit theme parks, and soak in the city’s vibrant scene.

The worst time to visit Anaheim

If one has an aversion to cold weather and rainfall, December and January could be perceived as less favorable times to visit Anaheim. These months record the lowest temperatures of the year, plummeting to 64°F (17.8°C) and 66.2°F (19°C) respectively. Paired with max rainfall of 1.54" (39mm) in December, outdoor activities may be hindered.

Spring weather in Anaheim

Spring brings in a rejuvenating respite from the winter chills. Temperatures during this period bloom gradually, starting from 67.6°F (19.8°C) in March to 72.3°F (22.4°C) in May. Days start to elongate, presenting more daylight hours from 12 in March to 13.9 in May. Rainfall also witnesses a significant drop during this season, providing bright and clear days to enjoy outdoor activities.

Summer weather in Anaheim

The signature warmth and sun-kissed weather of Anaheim predominantly lie in the summer months - from June to August. Temperatures during this time can escalate to the hottest mark of the year, peaking at 83.5°F (28.6°C) in August. Summer days are filled with the longest sunlight hours, reaching up to 14.1 hours in July. These sun-splashed, warm days are ideal for a beach visit or a stroll in the city’s parks.

Autumn weather in Anaheim

As Autumn sets in, the weather in Anaheim offers a pleasant balance between summer heat and winter chills. The average high temperatures range from 82.2°F (27.9°C) in September to 71.4°F (21.9°C) in November, and the daylight hours start to decline from 12.4 to 10.4 over the same period. Autumn in Anaheim becomes a testament to a gentle retreat from the summer highs.

Winter weather in Anaheim

Winter in Anaheim is defined by lower temperatures and an increase in rainfall. High temperatures dip to 64°F (17.8°C) in December, marking the coldest point of the year. Rainfall reaches its peak at 1.54" (39mm) in December. While these chillier and wetter conditions may be daunting for some, they may also provide a quieter, less crowded experience for those seeking to avoid the tourist crowds.

Weather in January

Anaheim, California, starts the year with relatively comfortable temperatures, showing an ease into the year. The month experiences slight temperature fluctuations between 51.4°F (10.8°C) and 66.2°F (19°C). Compared to February, January experiences a higher amount of UV rays, those outdoor activities should be done with care. Weather in January »

Weather in February

February sees a slight increase in humidity levels in Anaheim. Despite the higher humidity, the fluctuation in temperatures remains minimal, ranging from 50.2°F (10.1°C) to 65.3°F (18.5°C). March sees a slight increase in rainfall and temperatures, making February the last of the cooler months. Weather in February »

Weather in March

March ushers in increasing daylight hours in Anaheim, a trend that continues into the gaining months. In contrast to April, March sees a slight decrease in sunshine hours despite longer days. The noteworthy change is in rainfall which sees a decrease from 1.26" (32mm) in February to 0.87" (22mm) in March. Weather in March »

Weather in April

April in Anaheim sees considerable weather changes. The amount of rainfall notably decreases from 0.87" (22mm) in March to 0.47" (12mm), marking it as the start of the approaching dryer period. Relative humidity remains constant while a rise in daylight and sunshine hours signifies the progressive onset of summer. Weather in April »

Weather in May

May is characterized by consistently high sunshine hours in Anaheim, setting the stage for the approaching summer. Temperature scenarios shift, with a notable upswing from April’s high of 70.5°F (21.4°C) to May’s high of 72.3°F (22.4°C). Weather in May »

Weather in June

In Anaheim, June is a predominantly sunny month with minimal cloud cover. The shift between May and June brings a noticeable increase in temperature from lows of 56.1°F (13.4°C) to 58.8°F (14.9°C) and highs of 72.3°F (22.4°C) to 76.6°F (24.8°C). Weather in June »

Weather in July

July is a month known for its high temperatures and long daylight hours in Anaheim. Temperatures rise significantly to a peak of 81.5°F (27.5°C), the highest encountered in the year. August experiences similar temperatures, thus representing the warmest period of the year. Weather in July »

Weather in August

Anaheim’s weather in August remains much like July, marking the height of summer. One slight difference is temperatures slightly climbing upwards, with a high of 83.5°F (28.6°C). September results in slightly cooler temperatures and a decline in the UV index. Weather in August »

Weather in September

September marks the transition from summer to fall in Anaheim. While being a warm month, temperatures decrease slightly from the August peak to a high of 82.2°F (27.9°C). The climate in October will continue this cooling trend but retain the humidity levels. Weather in September »

Weather in October

October offers cooler days compared to September in Anaheim. This decrease in temperature makes the weather more pleasant, with temperatures ranging from a low of 61.5°F (16.4°C) to a high of 77.5°F (25.3°C). The UV index continues its downward trend, offering relief from the summer heat. Weather in October »

Weather in November

In November, Anaheim experiences cool, moderate autumn weather. It signals the coming of winter with a noticeable fall in temperature highs from 77.5°F (25.3°C) in October to 71.4°F (21.9°C). December sees a further drop in temperature, making November the intermediary between autumn and winter. Weather in November »

Weather in December

December rounds out the year in Anaheim with cooler, more winter-like weather conditions. Comparatively, temperatures fall more from a range of 56.3°F (13.5°C) to 71.4°F (21.9°C) in November to 50.9°F (10.5°C) to 64°F (17.8°C). Weather in December »