Portlethen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portlethen.
Climate overview of Portlethen
Portlethen, Grampian, United Kingdom, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 17°C (63°F), while February is the coolest at 8°C (46°F).
With around 862 mm (34 in) of annual rainfall, the city has moderate precipitation levels. October is the wettest month and May the driest. The most sunshine falls in May, with an average of 6.8 hours of daily sunshine.
Portlethen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portlethen - and find the best time to visit.
Monthly Temperature in Portlethen
The climate in Portlethen experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a moderate 17°C (63°F) in August to a chilly 8°C (46°F) in the coolest month, February.
Nights vary from 12°C (54°F) in August to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portlethen
Generally, Portlethen has a moderate amount of precipitation, averaging 862 mm (34 in) of rainfall annually. Portlethen offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (98 mm (3.9 in)) and the driest month May (55 mm (2.2 in)) is not too significant. For more details, please visit our Portlethen Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Portlethen
For those who appreciate different seasons, Portlethen serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.8 hours of sunshine daily, and embrace the darker days in December, offering only 1.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Portlethen
The mean water temperature over the year ranges from 6°C (43°F) in February to 13°C (55°F) in July.
Water temperature over the year
Humidity in Portlethen by Month
The city experiences its highest humidity in January, reaching 83%. In April, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Portlethen
The mean wind speed over the year ranges from 4 m/s (8 knots) in April, May, June, July, August, September and October to 5 m/s (10 knots) in January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Portlethen
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July, August and September
- Most sunshine: May
Frequently asked questions about the climate in Portlethen
What is the best time to visit Portlethen?
June, July, August and September typically offer the most optimal weather in Portlethen. In contrast, January, February, March, April and December tend to have less optimal conditions.
What temperatures can I expect in Portlethen?
Daytime highs range from 8°C (46°F) in February to 17°C (63°F) in August. Nighttime lows range from 4°C (39°F) to 12°C (54°F).
How much rain does Portlethen get?
Annual rainfall is around 862 mm (34 in). October is the wettest month with 98 mm (3.9 in), while May is the driest with 55 mm (2.2 in).
How sunny is Portlethen?
Portlethen receives around 1,455 hours of sunshine per year. May is the sunniest month with 203 hours, while December is the cloudiest with just 48 hours.
Portlethen 3-Day Forecast
Portlethen 3-Day Forecast
Portlethen on the map
Portlethen is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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