Climate Overview
The climate in Lake Oroville Landing Area Seaplane Base is temperate. The average annual temperature is 14°C and approximately 1748mm of precipitation falls per year. January is the wettest month, receiving around 388mm of rainfall. Lake Oroville Landing Area Seaplane Base is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, February, January, when temperatures can drop to 2°C. Lake Oroville Landing Area Seaplane Base experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Lake Oroville Landing Area Seaplane Base vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 25°C. December is the coolest month, with minimum temperatures around 2°C and an average of 6°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.
Precipitation
Lake Oroville Landing Area Seaplane Base is a fairly wet location, receiving approximately 1748mm of precipitation annually, which averages out to around 146mm per month. The wettest month is January, averaging 388mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 388mm 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. Lake Oroville Landing Area Seaplane Base receives heavy snowfall, accumulating around 243cm annually from January through December. The snowiest month is January, with approximately 78cm. Winter travel should account for significant snow cover.
Wind
Lake Oroville Landing Area Seaplane Base 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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Lake Oroville Landing Area Seaplane Base, which began on June 21, 2026. Lake Oroville Landing Area Seaplane Base 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 July at around 33°C, while the coldest stretch bottoms out in December near 2°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 4 to 23°C. Rainfall is heavy, totalling around 571mm across the season with a monthly average of 190mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 33°C. Precipitation is minimal, with only around 17mm for the entire season. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 4 to 29°C. Precipitation is moderate at around 282mm for the season, averaging 94mm per month. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 13°C. Rainfall is heavy, totalling around 877mm across the season with a monthly average of 292mm. Expect around 150cm of snow accumulation during this period. Winds are generally light, averaging 3km/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 Lake Oroville Landing Area Seaplane Base is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 25mm per month. By contrast, December can be quite cold with temperatures dropping to 2°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 Lake Oroville Landing Area Seaplane Base 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.
