Climate Insights for Barrhead

The climate in Barrhead is cool. The average annual temperature is 3°C and approximately 593mm of precipitation falls per year. June is the wettest month, receiving around 117mm of rainfall. Barrhead 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, December, when temperatures can drop to -15°C. Snowfall occurs from January to December, with around 136cm accumulating over the season.

Barrhead has a wide annual temperature range, spanning 38°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 23°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -15°C and the daily average is -11°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.

Barrhead is a relatively dry area, receiving approximately 593mm of precipitation annually, which averages out to around 49mm per month. The wettest month is June, averaging 117mm of rainfall. July and August also tend to see above-average precipitation. The driest month is December, with just 16mm. That's 101mm less than June, 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. November typically sees the most snow at around 23cm.

Barrhead 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 April, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Barrhead, which began on June 21, 2026. Barrhead 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 23°C, while the coldest stretch bottoms out in January near -15°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Barrhead is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 72mm per month. By contrast, July can be uncomfortably hot with highs reaching 23°C, while January is the coldest period with lows dropping to -15°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Barrhead 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.