Climate Insights for Monterey

The climate in Monterey is temperate. The average annual temperature is 13°C and approximately 571mm of precipitation falls per year. January is the wettest month, receiving around 123mm of rainfall. Monterey is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: October, September, August. The coldest months are March, April, February, when temperatures can drop to 10°C.

Monterey has relatively stable temperatures year-round, staying within a 6°C range. October is the warmest month, though highs remain moderate at 16°C with a mean of 15°C. March is the coolest month, with minimum temperatures around 10°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Monterey is a relatively dry area, receiving approximately 571mm of precipitation annually, which averages out to around 48mm per month. The wettest month is January, averaging 123mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 2mm. That's 121mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Monterey is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 17km/h in spring, 13km/h in summer, 13km/h in autumn.

It is currently summer in Monterey, which began on June 21, 2026. Monterey is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in October at around 16°C, while the coldest stretch bottoms out in March near 10°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The table below shows monthly climate averages for Monterey based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.