Climate Overview
The climate in Sandy is temperate. The average annual temperature is 11°C and approximately 2115mm of precipitation falls per year. December is the wettest month, receiving around 344mm of rainfall. Sandy is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, December, when temperatures can drop to 1°C. Snowfall occurs from January to December, with around 136cm accumulating over the season.
Temperature
Temperatures in Sandy vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 20°C. February is the coolest month, with minimum temperatures around 1°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 September and October, with a 5°C shift in average temperatures.
Precipitation
Sandy is a very wet location, receiving approximately 2115mm of precipitation annually, which averages out to around 176mm per month. The wettest month is December, averaging 344mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 10mm. That's 334mm less than December, 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. Snowfall is a regular feature from January to December, with around 136cm accumulating over the season. February typically sees the most snow at around 52cm.
Wind
Sandy is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/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 11km/h in winter, 8km/h in spring, 7km/h in summer, 8km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Sandy, which began on June 21, 2026. Sandy 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 August at around 28°C, while the coldest stretch bottoms out in February near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 3 to 20°C. Rainfall is heavy, totalling around 508mm across the season with a monthly average of 169mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 28°C. Rainfall is relatively light, with around 116mm over the season and a monthly average of 39mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 24°C. Rainfall is heavy, totalling around 592mm across the season with a monthly average of 197mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 1 to 8°C. Rainfall is heavy, totalling around 898mm across the season with a monthly average of 299mm. Expect around 103cm 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 Sandy is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 50mm per month. By contrast, February can be quite cold with temperatures dropping to 1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Sandy 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.