Frost comes to Trunch less often than to 90% of UK towns
January nights average 2.1°C (36°F), July afternoons 21.2°C (70°F), and a year brings 641 mm (25 in) of rain. Rain is light here, less than falls on 80% of UK towns. Summers go the other way: only about 9 days a year reach 25°C, fewer than in 68% of UK towns.
A year in Trunch at a glance
Each month’s typical high and low, in °C.
What a year in Trunch feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 641 mm of rain a year
November is the wettest month and April the driest. About 15 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
25 air frosts and 9 days of 25°C a year
On about 25 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 9 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 Cambridge NIAB
Cambridge NIAB is 69 miles south-west of Trunch, 26 m (85 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 |
|---|---|---|---|---|
| January | 7.7°C | 1.9°C | 49 mm | 9.0 |
| February | 8.3°C | 1.8°C | 36 mm | 8.7 |
| March | 11.0°C | 3.1°C | 33 mm | 5.2 |
| April | 14.1°C | 4.7°C | 38 mm | 2.6 |
| May | 17.4°C | 7.4°C | 43 mm | 0.6 |
| June | 20.4°C | 10.5°C | 49 mm | 0.0 |
| July | 23.1°C | 12.6°C | 48 mm | 0.0 |
| August | 22.9°C | 12.6°C | 56 mm | 0.0 |
| September | 19.6°C | 10.5°C | 51 mm | 0.0 |
| October | 15.1°C | 7.9°C | 59 mm | 0.7 |
| November | 10.7°C | 4.5°C | 53 mm | 3.7 |
| December | 8.0°C | 2.2°C | 50 mm | 9.2 |
| Year | 14.9°C | 6.6°C | 563 mm | 40 |
Met Office historic station data, Cambridge NIAB, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Trunch compares
Against the 2,178 towns and cities of 2,500 or more in England and Wales, each with its own Met Office averages, and its place among Norfolk 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 |
|---|---|---|---|
| Trunch | 21.2°C | 2.1°C | 641 mm |
| Mundesley 2.0 mi | 21.2°C about the same | 2.4°C about the same | 636 mm |
| North Walsham 2.7 mi | 21.2°C about the same | 2.0°C about the same | 686 mm |
| Cromer 5.9 mi | 20.8°C about the same | 2.4°C about the same | 732 mm |
| Badersfield 7.2 mi | 21.9°C 0.8°C warmer | 1.9°C about the same | 688 mm |
| Aylsham 7.6 mi | 21.8°C 0.6°C warmer | 1.6°C 0.5°C colder | 679 mm |
| Stalham 8.1 mi | 21.2°C about the same | 2.2°C about the same | 667 mm |
Trunch 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 | 7.5°C 45°F | 2.1°C 36°F | 4.8°C | 55 mm 2.1 in |
| February | 8.0°C 46°F | 2.1°C 36°F | 5.1°C | 41 mm 1.6 in |
| March | 10.0°C 50°F | 3.2°C 38°F | 6.7°C | 44 mm 1.7 in |
| April | 12.7°C 55°F | 5.0°C 41°F | 8.9°C | 35 mm 1.4 in |
| May | 15.8°C 60°F | 7.7°C 46°F | 11.8°C | 40 mm 1.6 in |
| June | 18.7°C 66°F | 10.5°C 51°F | 14.6°C | 57 mm 2.2 in |
| July | 21.2°C 70°F | 12.7°C 55°F | 16.9°C | 56 mm 2.2 in |
| August | 21.5°C 71°F | 12.8°C 55°F | 17.2°C | 62 mm 2.4 in |
| September | 18.7°C 66°F | 10.9°C 52°F | 14.9°C | 54 mm 2.1 in |
| October | 14.9°C 59°F | 8.4°C 47°F | 11.6°C | 66 mm 2.6 in |
| November | 10.9°C 52°F | 5.0°C 41°F | 8.0°C | 70 mm 2.8 in |
| December | 8.1°C 47°F | 2.7°C 37°F | 5.4°C | 62 mm 2.4 in |
| Year | 14.0°C | 6.9°C | 10.5°C | 641 mm |
Where Trunch’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 Trunch’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 Cambridge NIAB, 69 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more in England and Wales, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Trunch’s climate
How warm does Trunch get in summer?
August is the warmest month, with average highs of 21.5°C (71°F). About 9 days a year reach 25°C (77°F), fewer than 68% of UK towns.
How cold does Trunch get in winter?
February nights average 2.1°C (36°F). The air drops below freezing on about 25 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Trunch get?
About 641 mm (25 in) a year, less than 80% of UK towns. November is the wettest month (70 mm) and April the driest (35 mm).
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 Trunch. 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 Trunch →
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