Climate Insights for Hidden Valley Lake

The climate in Hidden Valley Lake is temperate. The average annual temperature is 17°C and approximately 628mm of precipitation falls per year. January is the wettest month, receiving around 167mm of rainfall. Hidden Valley Lake 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, January, February, when temperatures can drop to 5°C.

Temperatures in Hidden Valley Lake vary considerably across the year, with a 31°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 36°C and an average of 27°C. December is the coolest month, with minimum temperatures around 5°C and an average of 9°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Hidden Valley Lake is a relatively dry area, receiving approximately 628mm of precipitation annually, which averages out to around 52mm per month. The wettest month is January, averaging 167mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 166mm 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.

Hidden Valley Lake is relatively calm, with an average annual wind speed of 2km/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 2km/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 0km/h gap between the calmest and windiest months.

It is currently spring in Hidden Valley Lake, which began on March 20, 2026. Hidden Valley Lake 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 36°C, while the coldest stretch bottoms out in December near 5°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Hidden Valley Lake is during April, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 21mm per month. By contrast, July can be uncomfortably hot with highs reaching 36°C, while December is the coldest period with lows dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Hidden Valley Lake 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.