Corona (CA) Temperature by Month

The average annual maximum temperature in Corona, California, United States of America is 26°C (79°F), with daytime highs ranging from 19°C (66°F) in December to 34°C (93°F) in August. This page covers monthly averages, day-night differences, and how Corona compares to cities worldwide.

The climate in Corona is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 17°C (63°F) in August to 6°C (43°F) in December.

The chart below illustrates the average maximum day and minimum night temperatures in Corona by month:

Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. August, the city's warmest month, sees 351 hours of sunshine.

The chart below shows the average temperature throughout the year:

Corona's average annual maximum temperature is 26°C (79°F). To put that in context, here's how it compares to a few well-known destinations:

Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.

Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.

Boston, USA averages 16°C (61°F) annually, with four distinct seasons and cold winters that rival northern Europe.

Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate, hot dry summers and mild wet winters.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.

Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.

For more on Corona's weather, including monthly rainfall, sunshine hours, and humidity, visit our Corona climate page.