Climate Overview
The climate in Gourock is cool. The average annual temperature is 9°C and approximately 1736mm of precipitation falls per year. Gourock receives a notable amount of rainfall throughout the year, including during its driest month. Gourock 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. Snowfall occurs from January to December, with around 66cm accumulating over the season.
Temperature
Gourock 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 15°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 4°C shift in average temperatures.
Precipitation
Gourock is a fairly wet location, receiving approximately 1736mm of precipitation annually, which averages out to around 145mm per month. The wettest month is October, averaging 188mm of rainfall. February and December also tend to see above-average precipitation. The driest month is April, with just 80mm. That's 108mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 66cm accumulating over the season. February typically sees the most snow at around 21cm.
Wind
Gourock is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/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 14km/h in winter, 12km/h in spring, 12km/h in summer, 13km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Gourock, which began on June 21, 2026. Gourock 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. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 3 to 15°C. Rainfall is heavy, totalling around 313mm across the season with a monthly average of 104mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 427mm across the season with a monthly average of 142mm. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 15°C. Rainfall is heavy, totalling around 490mm across the season with a monthly average of 163mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 7°C. Rainfall is heavy, totalling around 506mm across the season with a monthly average of 169mm. Expect around 49cm of snow accumulation during this period. Winds are generally light, averaging 14km/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 Gourock 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.