Deeping St James sits near the bottom of UK towns for rain, with 580 mm (23 in) a year
The warmest part of a July day comes in at 22.6°C (73°F) on average. Warm days come often: about 20 a year reach 25°C, more than in 91% of UK towns. Winter and summer sit 21°C apart. The heating season runs November to April: each of those months averages under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Deeping St James at a glance
Each month’s typical high and low, in °C.
What a year in Deeping St James feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 580 mm of rain a year
July is the wettest month and February the driest. About 12 days a year bring 10 mm (0.4 in) or more. 61st wettest of 64 Lincolnshire towns of 2,500+.
Rain by month
Millimetres
47 air frosts and 20 days of 25°C a year
On about 47 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 20 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 34 miles south-east of Deeping St James, 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 Deeping St James 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 Lincolnshire 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 |
|---|---|---|---|
| Deeping St James | 22.6°C | 1.4°C | 580 mm |
| Northborough 1.0 mi | 22.8°C about the same | 1.4°C about the same | 591 mm |
| Market Deeping 1.1 mi | 22.7°C about the same | 1.5°C about the same | 603 mm |
| Langtoft 2.6 mi | 22.7°C about the same | 1.5°C about the same | 598 mm |
| Glinton 2.6 mi | 22.8°C about the same | 1.4°C about the same | 592 mm |
| Helpston 3.6 mi | 22.7°C about the same | 1.4°C about the same | 605 mm |
| Baston 3.7 mi | 22.7°C about the same | 1.4°C about the same | 599 mm |
Deeping St James 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 | 1.4°C 35°F | 4.5°C | 45 mm 1.8 in |
| February | 8.4°C 47°F | 1.5°C 35°F | 4.9°C | 34 mm 1.4 in |
| March | 10.9°C 52°F | 2.6°C 37°F | 6.7°C | 35 mm 1.4 in |
| April | 14.0°C 57°F | 4.2°C 40°F | 9.1°C | 41 mm 1.6 in |
| May | 17.2°C 63°F | 7.0°C 45°F | 12.1°C | 46 mm 1.8 in |
| June | 20.2°C 68°F | 10.0°C 50°F | 15.1°C | 54 mm 2.1 in |
| July | 22.6°C 73°F | 11.8°C 53°F | 17.2°C | 60 mm 2.4 in |
| August | 22.4°C 72°F | 11.8°C 53°F | 17.1°C | 59 mm 2.3 in |
| September | 19.2°C 67°F | 9.7°C 49°F | 14.5°C | 49 mm 1.9 in |
| October | 14.9°C 59°F | 7.1°C 45°F | 11.0°C | 56 mm 2.2 in |
| November | 10.6°C 51°F | 4.0°C 39°F | 7.3°C | 52 mm 2.1 in |
| December | 7.8°C 46°F | 1.8°C 35°F | 4.8°C | 49 mm 1.9 in |
| Year | 14.6°C | 6.1°C | 10.4°C | 580 mm |
Where Deeping St James’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Deeping St James’s built-up area.
- 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, 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 Deeping St James’s climate
How warm does Deeping St James get in summer?
July is the warmest month, with average highs of 22.6°C (73°F). About 20 days a year reach 25°C (77°F), more than 91% of UK towns.
How cold does Deeping St James get in winter?
January nights average 1.4°C (35°F). The air drops below freezing on about 47 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Deeping St James get?
About 580 mm (23 in) a year, less than 96% of UK towns. July is the wettest month (60 mm) and February the driest (34 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 Deeping St James. 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 Deeping St James →
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