Greenock weather
Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Greenock, Scotland, United Kingdom.
Best Time to Visit
Peak season May–SepOff season Nov–Mar
Greenock weather by month
When is the best time to visit Greenock?
Based on weather alone, the best time to visit Greenock is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 5°C (42°F) in January to 17°C (62°F) in July.
What is the rainiest month in Greenock?
January is the wettest month, with about 160 mm (6.3 in) of rain on average. April is the driest, with about 81 mm (3.2 in).
What is the hottest month in Greenock?
July is the warmest, with average highs of 17°C (62°F) and lows of 11°C (52°F). January is the coolest, with highs of 5°C (42°F) and lows of 2°C (36°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months