Climate Insights for Santa Rosa

The climate in Santa Rosa is warm and mild. The average annual temperature is 23°C and approximately 1,992 mm of precipitation falls per year. Santa Rosa receives a notable amount of rainfall throughout the year, including during its driest month. Santa Rosa sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Santa Rosa is warm and mild. The average annual temperature is 74°F and approximately 78.4 in of precipitation falls per year. Santa Rosa receives a notable amount of rainfall throughout the year, including during its driest month. Santa Rosa sits near the equator, so seasonal temperature differences are minimal throughout the year.

Santa Rosa has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 25°C. August is the coolest month, with minimum temperatures around 19°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Santa Rosa has relatively stable temperatures year-round, staying within a 18°F range. The warmest month is February, when average highs reach 85°F and the mean temperature sits around 76°F. August is the coolest month, with minimum temperatures around 67°F and an average of 74°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows.

Santa Rosa is a fairly wet location, receiving approximately 1,992 mm of precipitation annually, which averages out to around 166 mm per month. The wettest month is May, averaging 297 mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 35 mm. That's 262 mm less than May, 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.Santa Rosa is a fairly wet location, receiving approximately 78.4 in of precipitation annually, which averages out to around 6.5 in per month. The wettest month is May, averaging 11.7 in of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 1.4 in. That's 10.3 in less than May, 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.

Santa Rosa is relatively calm, with an average annual wind speed of 3km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Santa Rosa is relatively calm, with an average annual wind speed of 2mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 2mph, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0mph between the calmest and windiest months.

The best time to visit Santa Rosa is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 54 mm per month. By contrast, August can be quite cold with temperatures dropping to 19°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Santa Rosa is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 75°F with modest rainfall averaging 2.1 in per month. By contrast, August can be quite cold with temperatures dropping to 67°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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