Greenock weather and climate in 2025
Day
18 °C
Night
11 °C
Sea
15 °C
Precipitation
115 mm
in month
Rainy days
15 days
in month
Daylight
15 hours
average
Sunshine
5 hours
average
Humidity
84 %
Day
18 °C
Night
11 °C
Sea
15 °C
Precipitation
115 mm
in month
Rainy days
15 days
in month
Daylight
15 hours
average
Sunshine
5 hours
average
Humidity
84 %
Overview: Greenock
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Weather overview for Greenock
Weather overview
Greenock (United Kingdom) is a place with a mild climate. The day temperatures range from 7 °C (44 °F) in January to 18 °C (65 °F) in July. The driest month is May with just 13 days of rain, on the contrary, the month when it rains the most is January with 19 days of rain. The highest night temperatures could be experienced in July with 11 °C (51 °F), the lowest in January with 2 °C (35 °F).
January weather
The wet season is taking place in Greenock. The maximum of the number of rainy days can be noticed, with its value of 19 days, while the beginning of the rise of the rainfall amount could be noticed, its value is 163 mm (6.42 in). The minimum of the day temperature can be noticed, its value is 7 °C (44 °F), and the minimum of the night temperature is observable too, with its value of 2 °C (35 °F). The maximum of the wind speed can be noticed, its value is 7.
February weather
The beginning of the descent of the number of rainy days could be noticed in Greenock, and the rainfall amount starts to descent too, the value of this measure is 114 mm (4.47 in). The beginning of the rise of the day temperature could be noticed in this month. The number of sun hours (without clouds) rise's start could be observed, with its value being 2 hours.
March weather
The day temperature rises similarly to the previous month, its value is 9 °C (49 °F) in Greenock, while the beginning of the rise of the night temperature could be noticed, the value of this measure is 3 °C (37 °F). The beginning of the rise of the rainfall amount could be noticed, its value is 123 mm (4.85 in), and the number of rainy days rise's start could be observed too in March. The number of sun hours (without clouds) rises similarly to the previous month.
April weather
The day temperature continues to rise in Greenock, and the night temperature continues to rise too, its value is 4 °C (39 °F). The minimum of the rainfall amount can be noticed, the value of this measure is 76 mm (2.98 in), while the number of rainy days descent's start could be observed, with its value of 13 days. The number of sun hours (without clouds) continues to rise, its value is 5 hours.
May weather
The day temperature rises similarly to the previous month in Greenock, and the night temperature rises similarly to the previous month too, the value of this measure is 6 °C (43 °F). The minimum of the number of rainy days can be noticed, with its value of 13 days. The number of sun hours (without clouds) continues to rise, the value of this measure is 6 hours. The humidity is on its minimum in May.
June weather
The rise of the night temperature can be observed, with its value being 9 °C (48 °F) in Greenock, and the rise of the day temperature can be observed as well, the value of this measure is 17 °C (62 °F). The number of sun hours (without clouds) reaches its maximum, its value is 6 hours. The day length reaches its maximum in June.
July weather
The tourist season is at its beginning in Greenock. The day temperature is on its maximum, the value of this measure is 18 °C (65 °F), and the maximum of the night temperature is observable too in July. The number of rainy days starts to rise, its value is 15 days, and the beginning of the rise of the rainfall amount could be noticed too, with its value of 95 mm (3.74 in). The minimum of the wind speed can be noticed, with its value of 5.
August weather
The ongoing tourist season is noticeable in Greenock. The number of sun hours (without clouds) continues to descent. The rainfall amount rises similarly to the previous month, the value of this measure is 115 mm (4.51 in).
September weather
The rainfall amount rises similarly to the previous month, with its value being 131 mm (5.17 in) in Greenock. The day temperature descent's start could be observed, with its value being 16 °C (61 °F), and the night temperature descent's start could be observed as well, with its value of 9 °C (49 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 3 hours.
October weather
The day temperature descents similarly to the previous month, with its value of 13 °C (55 °F) in Greenock, and the night temperature descents similarly to the previous month as well, with its value of 7 °C (44 °F). The wet season is at its beginning. The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 18 days, while the maximum of the rainfall amount can be noticed, its value is 170 mm (6.70 in). The number of sun hours (without clouds) descents similarly to the previous month, with its value of 2 hours.
November weather
The day temperature continues to descent, with its value of 9 °C (49 °F) in Greenock, and the descent of the night temperature can be observed as well. The beginning of the descent of the number of rainy days could be noticed, its value is 18 days, and the rainfall amount starts to descent as well in November. The ongoing wet season is noticeable this month. The number of sun hours (without clouds) descents similarly to the previous month, with its value of 2 hours.
December weather
The day temperature continues to descent in Greenock, and the descent of the night temperature can be observed as well, its value is 2 °C (35 °F). The wet season is close to its peak this month. The number of sun hours (without clouds) is on its minimum, with its value of 1 hour. The day length is on its minimum, with its value being 7 hours.
FAQs
What is the average number of rainy days in May in Greenock?
There are 13 days, which are rainy in Greenock in May, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.0 days of the week, or in general - 42 % days.
Is June a good month to visit Greenock?
Greenock can be visited in June - the weather will be moderate. A relatively low temperature of 17 °C (62 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is July part of the wet season in Greenock?
No, there is no wet season in July in Greenock - you can expect 15 days of rain during the month.
What is the sea temperature in August in Greenock?
The temperature of the sea in August in Greenock is 15 °C (59 °F). This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.
What is the temperature in Greenock during the day in September?
The average daily temperature in Greenock in September is 16 °C (61 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
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