Newcastle sits near the bottom of UK towns for frosts
July afternoons average 19.5°C (67°F). The gap between a January night and a July afternoon is 16°C. Its yearly rainfall tops that of 95% of UK towns. Picnics, hikes and garden evenings come into their own from June to September, with highs of 17–20°C.
Met Office 1991–2020 averages for the town itself.
A year in Newcastle at a glance
Each month’s typical high and low, in °C.
What a year in Newcastle feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,402 mm of rain a year
January is the wettest month and May the driest. About 46 days a year bring 10 mm (0.4 in) or more. 2nd wettest of 10 Newry, Mourne and Down towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Armagh
16 air frosts and 1 days of 25°C a year
On about 16 nights a year the air drops below freezing; days that stay below freezing are rare. About 1 days a year reach 25°C (77°F).
Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.
The Met Office station at Armagh
Armagh is 32 miles west of Newcastle, 62 m (203 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full; at that distance read it for sunshine and the station’s own record, not as the town’s figures.
| Month | High | Low | Rain | Air frosts | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.8°C | 2.2°C | 73 mm | 7.7 | 47 |
| February | 8.6°C | 2.0°C | 59 mm | 7.6 | 71 |
| March | 10.4°C | 3.1°C | 60 mm | 5.3 | 102 |
| April | 13.0°C | 4.6°C | 56 mm | 2.3 | 150 |
| May | 15.9°C | 7.0°C | 58 mm | 0.2 | 180 |
| June | 18.2°C | 9.8°C | 63 mm | 0.0 | 146 |
| July | 19.7°C | 11.7°C | 70 mm | 0.0 | 135 |
| August | 19.4°C | 11.6°C | 79 mm | 0.0 | 141 |
| September | 17.3°C | 9.7°C | 65 mm | 0.0 | 114 |
| October | 13.7°C | 7.0°C | 81 mm | 0.8 | 92 |
| November | 10.3°C | 4.3°C | 82 mm | 3.5 | 62 |
| December | 8.0°C | 2.4°C | 81 mm | 7.3 | 43 |
| Year | 13.5°C | 6.3°C | 825 mm | 35 | 1,281 |
Met Office historic station data, Armagh, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Newcastle compares
Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Newry, Mourne and Down towns that size.
Nearby towns’ climate
The nearest towns of 1,000+ within 12 miles: a hill, a valley or the sea can make a real difference over a few miles.
| Town | July high | January low | Rain a year |
|---|---|---|---|
| Newcastle | 19.5°C | 3.4°C | 1,402 mm |
| Downpatrick 10.8 mi | 19.6°C about the same | 2.9°C 0.5°C colder | 903 mm |
| Kilkeel 11.4 mi | 19.0°C about the same | 3.5°C about the same | 950 mm |
Newcastle weather by month
Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 8.5°C 47°F | 3.4°C 38°F | 6.0°C | 181 mm 7.1 in |
| February | 9.1°C 48°F | 3.4°C 38°F | 6.3°C | 132 mm 5.2 in |
| March | 10.6°C 51°F | 4.2°C 40°F | 7.4°C | 125 mm 4.9 in |
| April | 12.7°C 55°F | 5.6°C 42°F | 9.1°C | 92 mm 3.6 in |
| May | 15.6°C 60°F | 7.7°C 46°F | 11.6°C | 70 mm 2.8 in |
| June | 18.0°C 64°F | 10.3°C 51°F | 14.1°C | 90 mm 3.6 in |
| July | 19.5°C 67°F | 12.2°C 54°F | 15.8°C | 83 mm 3.3 in |
| August | 19.2°C 66°F | 12.2°C 54°F | 15.7°C | 105 mm 4.1 in |
| September | 17.3°C 63°F | 10.7°C 51°F | 14.0°C | 84 mm 3.3 in |
| October | 14.1°C 57°F | 8.4°C 47°F | 11.2°C | 139 mm 5.5 in |
| November | 10.9°C 52°F | 5.7°C 42°F | 8.3°C | 154 mm 6.1 in |
| December | 8.9°C 48°F | 3.8°C 39°F | 6.4°C | 147 mm 5.8 in |
| Year | 13.7°C | 7.3°C | 10.5°C | 1,402 mm |
Where Newcastle’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the Met Office 2 km grid square nearest Newcastle’s centre (the town is smaller than one square).
- Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
- Weather station and sunshine: Met Office historic station data for Armagh, 32 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Newcastle’s climate
How warm does Newcastle get in summer?
July is the warmest month, with average highs of 19.5°C (67°F). About 1 days a year reach 25°C (77°F), fewer than 97% of UK towns.
How cold does Newcastle get in winter?
January nights average 3.4°C (38°F). The air drops below freezing on about 16 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Newcastle get?
About 1,402 mm (55 in) a year, more than 95% of UK towns. January is the wettest month (181 mm) and May the driest (70 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Armagh (32 miles away), averages 1,281 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.
Where do these figures come from?
The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Newcastle. They are 30-year averages, not a forecast.
Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Newcastle →
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