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Alnwick

Travel Info

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Alnwick Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Alnwick year round climate

  • Spring (March–May): Average 42–51°F, cool and humid climate with occasional showers. From March to May, plants begin to grow, and the scenery is pleasant. Common activities: Country walks, visiting castles. Suggested clothing: Waterproof jacket, warm clothing, comfortable shoes.
  • Summer (June–August): Average 55–59°F, mild climate with occasional rainfall, generally comfortable. July experiences more rainfall. Common activities: Outdoor picnics, visiting gardens, hiking. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Autumn (September–November): Average 44–51°F, cool and humid climate with more rainfall, especially in October. Common activities: Enjoying autumn scenery, visiting museums. Suggested clothing: Waterproof jacket, warm clothing, comfortable shoes.
  • Winter (December–February): Average 42–44°F, cold and humid climate with frequent rainfall. Common activities: Indoor activities, visiting heated greenhouses. Suggested clothing: Heavy waterproof jacket, warm clothing, warm hat and gloves.

Alnwick climatological average

Annual average temperature: approx. 50.0°F / Annual rainfall: approx. 764 mm / Summer humidity: 65%–75% / Rainiest month: October

Alnwick monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
41.5°F
43.3
February
44.1°F
47.4
March
43.5°F
54.3
April
45.9°F
59.7
May
52.5°F
54.2
June
56.7°F
34.5
July
59.2°F
80.2
August
59.9°F
39.5
September
56.1°F
71
October
51.8°F
104.8
November
45.7°F
84.5
December
42.8°F
91.2

Alnwick weather for the next seven days

9/22
Tuesday
Sunny
69.5°F/57.1°F
9/23
Wednesday
Light rain shower
59.1°F/46.6°F
9/24
Thursday
Overcast
59.2°F/44.5°F
9/25
Friday
Overcast
64.3°F/49.1°F
9/26
Saturday
Light rain shower
58.3°F/50.2°F
9/27
Sunday
Overcast
58.8°F/49.1°F
9/28
Monday
Overcast
63.5°F/46.8°F

Alnwick Frequently Asked Questions and Useful Information for Travel

Is Alnwick worth visiting?

Known for its magnificent castle, beautiful gardens, and historic town centre, Alnwick offers a perfect blend of heritage, nature, and culture. Whether you're a history enthusiast, a nature lover, or a Harry Potter fan, Alnwick provides a delightful escape into one of England's most picturesque regions.

What TV series was filmed at Alnwick Castle?

Blackadder. The British beloved sitcom 'Blackadder' used Alnwick Castle as a filming location for a number of episodes across its seasons.

What is the best time of year to visit Alnwick Gardens?

April/May. Spring is in full bloom throughout the month of May, be it the brightly-coloured tulips or the fragrant flowers of the Magnolia Kobus, there is a plethora of flora to appeal to your senses.

Is Harry Potter filmed at Alnwick Castle?

Yes, Alnwick Castle was a filming location for the first two Harry Potter films, Harry Potter and the Philosopher's Stone (2001) and Harry Potter and the Chamber of Secrets (2002), serving as a stand-in for Hogwarts School of Witchcraft and Wizardry. The castle's grounds were used for scenes like the first flying broomstick lessons and Quidditch training, and the Lion Arch was featured as a way to enter and exit Hogwarts. The Outer Bailey courtyard at Alnwick Castle is the recognizable location where Harry and his fellow students had their first broomstick lessons.

What are the main attractions in Alnwick?

Alnwick's primary attractions include the historic Alnwick Castle, famed for its role in Harry Potter and Downton Abbey, and the enchanting Alnwick Gardens, renowned for its unique water features and contemporary planting. The charming town centre also offers delightful independent shops and eateries.