Climate Insights for Boonville

The climate in Boonville is temperate. The average annual temperature is 15°C and approximately 1200mm of precipitation falls per year. Boonville receives a notable amount of rainfall throughout the year, including during its driest month. Boonville is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to 0°C. Light snow can occur between January and December.

Temperatures in Boonville vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 31°C and the mean temperature sits around 25°C. Gennaio is the coolest month, with minimum temperatures around 0°C and an average of 4°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Boonville is a fairly wet location, receiving approximately 1200mm of precipitation annually, which averages out to around 100mm per month. The wettest month is September, averaging 125mm of rainfall. April and December also tend to see above-average precipitation. The driest month is June, with just 72mm. That's 53mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 20cm annually. January is the snowiest month with approximately 8cm.

Boonville is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/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 14km/h in winter, 15km/h in spring, 10km/h in summer, 12km/h in autumn.

It is currently winter in Boonville, which began on December 21, 2026. Boonville 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 Luglio at around 31°C, while the coldest stretch bottoms out in Gennaio near 0°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Boonville is during Giugno, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 72mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 31°C, while Gennaio is the coldest period with lows dropping to 0°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Boonville 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.