Climate Overview
The climate in Cave Junction is temperate. The average annual temperature is 10°C and approximately 1342mm of precipitation falls per year. Gennaio is the wettest month, receiving around 239mm of rainfall. Cave Junction 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 Dicembre, Febbraio, Gennaio, when temperatures can drop to -1°C. Cave Junction experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Cave Junction vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 29°C and the mean temperature sits around 21°C. The coldest month is Dicembre, when overnight lows fall to -1°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Cave Junction is a fairly wet location, receiving approximately 1342mm of precipitation annually, which averages out to around 112mm per month. The wettest month is January, averaging 239mm of rainfall. December and March also tend to see above-average precipitation. The driest month is July, with just 6mm. That's 233mm 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. Cave Junction receives heavy snowfall, accumulating around 288cm annually from January through December. The snowiest month is January, with approximately 65cm. Winter travel should account for significant snow cover.
Wind
Cave Junction is relatively calm, with an average annual wind speed of 12km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
92 days until Summer
It is currently spring in Cave Junction, which began on March 20, 2026. Cave Junction 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 29°C, while the coldest stretch bottoms out in Dicembre near -1°C. Summer is next, beginning on June 21, 2026 — 92 days from now.
Spring
Temperatures range from 0 to 19°C. Rainfall is heavy, totalling around 363mm across the season with a monthly average of 121mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 29°C. Precipitation is minimal, with only around 45mm for the entire season. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 24°C. Precipitation is moderate at around 282mm for the season, averaging 94mm per month. Expect around 24cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -1 to 9°C. Rainfall is heavy, totalling around 653mm across the season with a monthly average of 218mm. Expect around 176cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Cave Junction is during Giugno, Luglio, Agosto and Settembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 19mm per month. By contrast, Dicembre can be quite cold with temperatures dropping to -1°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 Cave Junction 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.