April weather forecast
California, USA

April continues the progression of spring in California, leading to more pleasant and temperate conditions throughout the state. Coastal areas such as Los Angeles and San Francisco experience a further warming, with temperatures ranging from 55°F (12.8°C) to 65°F (18.3°C). This warming is even more pronounced compared to March, and residents start to enjoy more outdoor activities.

In the Sierra Nevada mountains and other inland regions, April sees a continued reduction in snowfall. Temperatures in areas like Mammoth Lakes average between 25°F (-3.9°C) to 35°F (1.7°C), a further increase from March. Snowfall becomes less common, and signs of spring become more apparent as the landscape begins to thaw.

In desert regions such as Death Valley, April heralds a significant increase in temperatures. The weather becomes noticeably warmer compared to March, though nights may still be cooler. This transitional month provides a pleasant climate before the intense heat of summer.

Rainfall in April continues to decrease across the state. While occasional showers might occur, particularly in northern parts, April generally sees less precipitation than previous months. The trend of western mountain slopes receiving more rain than the eastern parts remains consistent.

Comparing April to March, California witnesses a marked transition towards warmer weather, particularly in coastal and desert regions. Snow recedes in the inland and mountainous areas, and rainfall becomes less common. Overall, the weather in April signals the full emergence of spring, with temperatures rising across the state and conditions becoming more conducive for outdoor activities.

---

• Los Angeles - April »
  On the first day of April in Los Angeles sunrise is at 6:38 am and sunset at 7:14 pm. In Los Angeles, in April, during 4.3 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.
• San Francisco - April »
  April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in San Francisco, California. April, June through September, with an average maximum UV index of 5, are months with the highest UV index in San Francisco, California.
• San Diego - April »
  On the last day of April, in San Diego, California, sunrise is at 6:01 am and sunset at 7:29 pm PDT. In San Diego, in April, during 6.2 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.
• San Jose - April »
  In San Jose, during April, the rain falls for 6.7 days and regularly aggregates up to 0.28" (7mm) of precipitation. San Jose's weather, upon April's arrival, documents an average high-temperature of a still enjoyable 66.7°F (19.3°C), nearly identical to the prior month.
• Sacramento - April »
  In Sacramento in April, during 7.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Sacramento, in April, it is raining for 7.6 days, with typically 0.67" (17mm) of accumulated precipitation.
• Fresno - April »
  In Fresno in April, during 7.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. On the first day of April in Fresno sunrise is at 6:43 am and sunset at 7:21 pm.
• Long Beach - April »
  In Long Beach, during April, the rain falls for 4.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Long Beach, in April, the average water temperature is 59.2°F (15.1°C).
• Oakland - April »
  April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Oakland, California. The commencement of April in Oakland notes an average high-temperature of an enjoyable 63.1°F (17.3°C), exhibiting little difference from the previous month.
• Bakersfield - April »
  In Bakersfield in April, during 6.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. On the first day of April in Bakersfield, sunrise is at 6:41 am and sunset at 7:18 pm.
• Anaheim - April »
  In Anaheim, in April, during 5.7 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Anaheim, in April, it is raining for 5.7 days, with typically 0.47" (12mm) of accumulated precipitation.
• Santa Ana - April »
  April in Santa Ana is characterized by a noticeable shift in the weather pattern, with temperature and daylight hours increasing, indicating the onset of summer. In Santa Ana, in April, it is raining for 5.9 days, with typically 0.51" (13mm) of accumulated precipitation.
• Riverside - April »
  In Riverside, in April, during 5.8 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. On the first day of April in Riverside, sunrise is at 6:35 am and sunset at 7:10 pm.