Rainfall in Collyweston trails that of 79% of UK towns: 654 mm (26 in) a year
Midsummer highs settle at about 22.3°C (72°F). The gap between a January night and a July afternoon is 21°C. Summer afternoons here are warmer than in 74% of UK towns. From June to September, highs of 19–22°C make it easy to spend the day outdoors.
Met Office 1991–2020 averages for the town itself.
A year in Collyweston at a glance
Each month’s typical high and low, in °C.
What a year in Collyweston feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 654 mm of rain a year
October is the wettest month and March the driest. About 15 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
42 air frosts and 15 days of 25°C a year
On about 42 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 15 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 Sutton Bonington
Sutton Bonington is 34 miles north-west of Collyweston, 48 m (157 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 | 7.5°C | 1.9°C | 51 mm | 9.3 |
| February | 8.1°C | 1.9°C | 41 mm | 8.6 |
| March | 10.6°C | 3.0°C | 41 mm | 6.0 |
| April | 13.6°C | 4.6°C | 44 mm | 2.9 |
| May | 16.7°C | 7.1°C | 47 mm | 0.9 |
| June | 19.6°C | 10.1°C | 64 mm | 0.0 |
| July | 22.0°C | 12.1°C | 62 mm | 0.0 |
| August | 21.7°C | 12.1°C | 55 mm | 0.0 |
| September | 18.7°C | 10.1°C | 49 mm | 0.0 |
| October | 14.5°C | 7.5°C | 62 mm | 1.2 |
| November | 10.4°C | 4.4°C | 57 mm | 4.4 |
| December | 7.8°C | 2.1°C | 58 mm | 9.2 |
| Year | 14.3°C | 6.4°C | 631 mm | 43 |
Met Office historic station data, Sutton Bonington, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Collyweston 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 Northamptonshire 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 |
|---|---|---|---|
| Collyweston | 22.3°C | 1.5°C | 654 mm |
| Easton on the Hill 1.2 mi | 22.3°C about the same | 1.4°C about the same | 652 mm |
| Ketton 1.4 mi | 22.3°C about the same | 1.7°C about the same | 650 mm |
| King's Cliffe 3.3 mi | 22.5°C about the same | 1.3°C about the same | 686 mm |
| Stamford 3.4 mi | 22.2°C about the same | 1.5°C about the same | 644 mm |
| Wittering 3.7 mi | 22.8°C 0.5°C warmer | 1.4°C about the same | 553 mm |
| Barnack 5.2 mi | 22.9°C 0.6°C warmer | 1.5°C about the same | 641 mm |
Collyweston 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 | 7.3°C 45°F | 1.5°C 35°F | 4.4°C | 54 mm 2.1 in |
| February | 8.1°C 47°F | 1.6°C 35°F | 4.8°C | 43 mm 1.7 in |
| March | 10.7°C 51°F | 2.9°C 37°F | 6.8°C | 41 mm 1.6 in |
| April | 13.7°C 57°F | 4.6°C 40°F | 9.2°C | 47 mm 1.8 in |
| May | 16.9°C 62°F | 7.4°C 45°F | 12.2°C | 49 mm 1.9 in |
| June | 19.8°C 68°F | 10.3°C 51°F | 15.1°C | 57 mm 2.3 in |
| July | 22.3°C 72°F | 12.4°C 54°F | 17.4°C | 61 mm 2.4 in |
| August | 22.1°C 72°F | 12.3°C 54°F | 17.2°C | 63 mm 2.5 in |
| September | 19.0°C 66°F | 10.2°C 50°F | 14.6°C | 53 mm 2.1 in |
| October | 14.6°C 58°F | 7.5°C 46°F | 11.1°C | 65 mm 2.6 in |
| November | 10.4°C 51°F | 4.2°C 40°F | 7.3°C | 61 mm 2.4 in |
| December | 7.6°C 46°F | 1.9°C 35°F | 4.8°C | 59 mm 2.3 in |
| Year | 14.4°C | 6.4°C | 10.4°C | 654 mm |
Where Collyweston’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 Collyweston’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 Sutton Bonington, 34 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 Collyweston’s climate
How warm does Collyweston get in summer?
July is the warmest month, with average highs of 22.3°C (72°F). About 15 days a year reach 25°C (77°F), more than 72% of UK towns.
How cold does Collyweston get in winter?
January nights average 1.5°C (35°F). The air drops below freezing on about 42 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Collyweston get?
About 654 mm (26 in) a year, less than 79% of UK towns. October is the wettest month (65 mm) and March the driest (41 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 Collyweston. 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 Collyweston →
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