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Hillsborough Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hillsborough.
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Climate overview of Hillsborough
Hillsborough, Down County, United Kingdom, experiences moderate temperature changes through the seasons. July is the warmest month with daytime highs of 19°C (66°F), while January is the coolest at 9°C (48°F).
Annual rainfall is moderate at around 992 mm (39 in), with October being the wettest month. The city also has pleasant summers and cold winters. Sunshine peaks in May, when the city sees around 6.1 hours of sunshine per day.
Hillsborough Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hillsborough - and find the best time to visit.
Monthly Temperature in Hillsborough
The climate in Hillsborough experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a pleasant 19°C (66°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 12°C (54°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hillsborough
Generally, Hillsborough has a moderate amount of precipitation, averaging 992 mm (39 in) of rainfall annually. Despite minor fluctuations, Hillsborough enjoys fairly consistent precipitation throughout the year. In October, you can expect around 92 mm (3.6 in) of precipitation, while in March, Hillsborough receives about 69 mm (2.7 in). For more details, please visit our Hillsborough 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 Hillsborough
Hillsborough can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Belfast, Ireland (22 KM, 14 Miles).
Daily hours of sunshine
Data from: Belfast, Ireland (22 KM, 14 Miles).
Daily percentage of sunshine
Data from: Belfast, Ireland (22 KM, 14 Miles).
Water Temperature in Hillsborough
The mean water temperature over the year ranges from 7°C (45°F) in February to 13°C (55°F) in August.
Water temperature over the year
Data from: Belfast, Ireland (22 KM, 14 Miles).
Humidity in Hillsborough by Month
The city experiences its highest humidity in September, reaching 91%. In February, the humidity drops to its lowest level at 86%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Belfast, Ireland (22 KM, 14 Miles).
Wind Speed in Hillsborough
The mean wind speed over the year ranges from 4 m/s (8 knots) in April, May, June, July, August and September to 5 m/s (10 knots) in January, February, March, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Belfast, Ireland (22 KM, 14 Miles).
Best Time to Visit Hillsborough
The most comfortable overall weather for exploring Hillsborough is usually found in June, July and August. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
mixed
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
good
Oct
good
Nov
mixed
Dec
cold
- Best overall: June, July and August
- Warmest weather: June, July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Hillsborough
What is the best time to visit Hillsborough?
June, July and August typically offer the most optimal weather in Hillsborough. In contrast, January, February and December tend to have less optimal conditions. Hillsborough has pleasant summers and cold winters.
What temperatures can I expect in Hillsborough?
Daytime highs range from 9°C (48°F) in January to 19°C (66°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).
How much rain does Hillsborough get?
Annual rainfall is around 992 mm (39 in). October is the wettest month with 92 mm (3.6 in), while March is the driest with 69 mm (2.7 in).
How sunny is Hillsborough?
Hillsborough receives around 1,297 hours of sunshine per year. May is the sunniest month with 184 hours, while December is the cloudiest with just 39 hours.
Hillsborough 3-Day Forecast
Hillsborough on the map
Hillsborough is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
16°C (61°F) Bath15°C (59°F) Torquay16°C (61°F) Manchester14°C (57°F) York15°C (59°F) Blackpool
15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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