Historical weather data, all-time temperature records, and monthly climate averages for Delano, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Delano tends to be a mild spring day, with average highs around 73° and lows near 45°. Across 121 years of records, temperatures on this date have swung dramatically — from a scorching 92° in 1961 down to a hard freeze at 28° back in 1918. Rain is unlikely, with only a 12% chance of any precipitation.
Delano earns its reputation as a Central Valley furnace — the all-time high of 116° set in July 1910 is no joke, and even winter offers little refuge, with the coldest recorded day hitting just 12° in January 1921. Snow is rare but not mythical; a surprise 3 inches fell on January 25, 1999.
Delano runs hot for most of the year, with average highs cracking 100° during the peak week of mid-July and staying above 90° from June through September. Relief arrives in January, when highs cool to the mid-50s. If you're chasing rain, aim for early February — it's the wettest stretch of the year, though even then you're only averaging a third of an inch per week.