Northumberland weather in August 2025

Q: How hot is it in Northumberland in August?

Daytime temperatures usually reach 18°C in Berwick-on-Tweed, Northumberland in August, falling to 11°C at night.

Q: How sunny is it in Northumberland in August?

There are normally 5 hours of bright sunshine each day in Berwick-on-Tweed, Northumberland in August - that's 34% of daylight hours.

Q: How warm is the sea around Northumberland in August?

The average sea temperature around Berwick-on-Tweed, Northumberland in August is 14°C.

Q: Does it rain in Northumberland in August?

There are usually 15 days with some rain in Berwick-on-Tweed, Northumberland in August and the average monthly rainfall is 69mm.

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Northumberland in August. Check more long-term weather averages for Northumberland in August before you book your next holiday to Northumberland in 2025/2026.

64
64°F max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
52
52°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.7
2.7 inches of monthly rainfall
5
5 (Moderate) UV index
57
57°F sea temperature

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The August weather guide for Northumberland (Berwick-on-Tweed) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Northumberland destinations

Below are average maximum temperatures at popular countries, regions and places in Northumberland in August. Select a holiday destination to see more weather parameters.

Metric (°C) | Imperial (°F)

More about the UK

How hot is it in Northumberland in August?

Daytime temperatures usually reach 64°F in Berwick-on-Tweed, Northumberland in August, falling to 52°F at night.

How sunny is it in Northumberland in August?

There are normally 5 hours of bright sunshine each day in Berwick-on-Tweed, Northumberland in August - that's 34% of daylight hours.

How warm is the sea around Northumberland in August?

The average sea temperature around Berwick-on-Tweed, Northumberland in August is 57°F.

Does it rain in Northumberland in August?

There are usually 15 days with some rain in Berwick-on-Tweed, Northumberland in August and the average monthly rainfall is 2.7 inches.

Northumberland August sunrise & sunset times

Browse the sunrise and sunset times for Northumberland in August 2025. Select a month to view Northumberland sunrise and sunset times for the next 12 months. The Northumberland sunrise and sunset times shown below are for Berwick-on-Tweed.

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