Climate Overview
The climate in Bonnyrigg is cool. The average annual temperature is 9°C and approximately 915mm of precipitation falls per year. Bonnyrigg receives a notable amount of rainfall throughout the year, including during its driest month. Bonnyrigg 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 January, February, March, when temperatures can drop to 2°C. Light snow can occur between January and December.
Temperature
Bonnyrigg sees moderate temperature variation throughout the year, ranging from 2°C to 18°C. July is the warmest month, though highs remain moderate at 18°C with a mean of 14°C. January is the coolest month, with minimum temperatures around 2°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Bonnyrigg is a moderately rainy area, receiving approximately 915mm of precipitation annually, which averages out to around 76mm per month. The wettest month is December, averaging 93mm of rainfall. October and July also tend to see above-average precipitation. The driest month is April, with just 52mm. That's 41mm less than December, 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 48cm annually. February is the snowiest month with approximately 14cm.
Wind
Bonnyrigg is moderately windy, with an average annual wind speed of 22km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h 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 25km/h in winter, 21km/h in spring, 19km/h in summer, 22km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Bonnyrigg, which began on March 20, 2026. Bonnyrigg 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 18°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 2 to 14°C. Precipitation is moderate at around 193mm for the season, averaging 64mm per month. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 18°C. Precipitation is moderate at around 247mm for the season, averaging 82mm per month. Winds are moderate at around 19km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 15°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 7°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Expect around 33cm of snow accumulation during this period. Winds are moderate at around 25km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Bonnyrigg 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.