Which is the warmest month in Greenock?

The warmest time of year in Greenock is normally July. Expect maximum daytime temperatures to reach 17°C.

Which month has the most rain in Greenock?

In terms of rainfall, October is usually the wettest month in Greenock with 232mm on average. There are normally 21 days in October with some rain.

When is it sunniest in Greenock?

The sunniest time of year in Greenock is normally May with bright sunshine on average for 34% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Greenock?

The sea is usually at its warmest in Greenock in August when the water temperature reaches 15°C.

Best time to visit Greenock

Q: When is the best time to visit Greenock?

The best time to visit Greenock is May, June and July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Greenock and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Greenock by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Scotland

Red Letter Days: Online experiences & courses

Sale

Buy online gifts including subscriptions & courses
Learn new languages, hobbies, cooking skills & more
Filter deals by type, price & number of people

Go to Red Letter Days deal >>

View all Red Letter Days offers

When is the best time to visit Greenock?

The best time to visit Greenock is May, June and July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0
Mar
1
Apr
1.5
May
1.5
Jun
1.5
Jul
1
Aug
0
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

5
Jan
5
Feb
7
Mar
10
Apr
13
May
16
Jun
17
Jul
17
Aug
14
Sep
11
Oct
7
Nov
6
Dec

Hours of Sunshine (daily)

1
Jan
2
Feb
3
Mar
5
Apr
6
May
6
Jun
5
Jul
5
Aug
3
Sep
2
Oct
2
Nov
1
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Scotland (Greenock) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)