Climate Overview
The climate in Monterey Regional Airport is temperate. The average annual temperature is 13°C and approximately 602mm of precipitation falls per year. January is the wettest month, receiving around 157mm of rainfall. Monterey Regional Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are February, March, December, when temperatures can drop to 10°C.
Temperature
Monterey Regional Airport has relatively stable temperatures year-round, staying within a 8°C range. September is the warmest month, though highs remain moderate at 18°C with a mean of 16°C. February 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 4°C between highs and lows.
Precipitation
Monterey Regional Airport is a relatively dry area, receiving approximately 602mm of precipitation annually, which averages out to around 50mm per month. The wettest month is January, averaging 157mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 154mm 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.
Wind
Monterey Regional Airport is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
81 days until Autumn
It is currently summer in Monterey Regional Airport, which began on June 21, 2026. Monterey Regional Airport 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 September at around 18°C, while the coldest stretch bottoms out in February near 10°C. Autumn is next, beginning on September 23, 2026 — 81 days from now.
Spring
Temperatures range from 10 to 14°C. Precipitation is moderate at around 176mm for the season, averaging 59mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 12 to 17°C. Precipitation is minimal, with only around 9mm for the entire season. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 18°C. Rainfall is relatively light, with around 75mm over the season and a monthly average of 25mm. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 10 to 14°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Monterey Regional Airport is during August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 9mm per month. By contrast, February can be quite cold with temperatures dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Monterey Regional Airport 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.
