Ottery St Mary has milder winter nights than 89% of UK towns
July afternoons average 21.1°C (70°F). It is a wet place: more rain falls here than on 76% of UK towns. Temperatures cover 19°C across the year, low to high. 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 Ottery St Mary at a glance
Each month’s typical high and low, in °C.
What a year in Ottery St Mary feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 974 mm of rain a year
November is the wettest month and July the driest. About 28 days a year bring 10 mm (0.4 in) or more. 34th wettest of 47 Devon towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Yeovilton
35 air frosts and 8 days of 25°C a year
On about 35 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 8 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 Yeovilton
Yeovilton is 33 miles north-east of Ottery St Mary, 20 m (66 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 | 8.6°C | 2.0°C | 70 mm | 10.0 | 58 |
| February | 9.0°C | 1.8°C | 51 mm | 9.7 | 77 |
| March | 11.2°C | 3.0°C | 49 mm | 7.6 | 114 |
| April | 13.9°C | 4.5°C | 52 mm | 3.8 | 163 |
| May | 17.1°C | 7.4°C | 47 mm | 0.5 | 191 |
| June | 19.9°C | 10.3°C | 58 mm | 0.0 | 188 |
| July | 21.9°C | 12.2°C | 50 mm | 0.0 | 192 |
| August | 21.6°C | 12.2°C | 61 mm | 0.0 | 175 |
| September | 19.2°C | 10.0°C | 53 mm | 0.0 | 142 |
| October | 15.3°C | 7.6°C | 81 mm | 1.8 | 104 |
| November | 11.5°C | 4.4°C | 80 mm | 5.5 | 69 |
| December | 9.0°C | 2.3°C | 77 mm | 10.3 | 52 |
| Year | 14.9°C | 6.5°C | 728 mm | 49 | 1,524 |
Met Office historic station data, Yeovilton, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Ottery St Mary 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 Devon 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 |
|---|---|---|---|
| Ottery St Mary | 21.1°C | 2.7°C | 974 mm |
| West Hill 2.2 mi | 20.8°C about the same | 2.5°C about the same | 907 mm |
| Feniton 2.5 mi | 21.3°C about the same | 2.4°C about the same | 947 mm |
| Whimple 3.6 mi | 21.4°C about the same | 2.6°C about the same | 881 mm |
| Newton Poppleford 3.8 mi | 21.2°C about the same | 3.0°C about the same | 958 mm |
| Sidmouth 4.4 mi | 20.5°C 0.6°C cooler | 3.1°C about the same | 1,058 mm |
| Honiton 4.7 mi | 21.0°C about the same | 2.4°C about the same | 1,030 mm |
Ottery St Mary 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 | 2.7°C 37°F | 5.6°C | 98 mm 3.9 in |
| February | 8.6°C 48°F | 2.4°C 36°F | 5.5°C | 75 mm 2.9 in |
| March | 10.6°C 51°F | 3.5°C 38°F | 7.0°C | 74 mm 2.9 in |
| April | 13.3°C 56°F | 5.0°C 41°F | 9.1°C | 71 mm 2.8 in |
| May | 16.4°C 61°F | 7.8°C 46°F | 12.0°C | 58 mm 2.3 in |
| June | 19.1°C 66°F | 10.5°C 51°F | 14.8°C | 66 mm 2.6 in |
| July | 21.1°C 70°F | 12.4°C 54°F | 16.7°C | 56 mm 2.2 in |
| August | 20.8°C 69°F | 12.4°C 54°F | 16.5°C | 79 mm 3.1 in |
| September | 18.5°C 65°F | 10.3°C 51°F | 14.4°C | 72 mm 2.8 in |
| October | 14.8°C 59°F | 7.9°C 46°F | 11.3°C | 104 mm 4.1 in |
| November | 11.2°C 52°F | 4.8°C 41°F | 8.0°C | 116 mm 4.6 in |
| December | 8.8°C 48°F | 2.8°C 37°F | 5.8°C | 107 mm 4.2 in |
| Year | 14.3°C | 6.9°C | 10.5°C | 974 mm |
Where Ottery St Mary’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 Ottery St Mary’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 Yeovilton, 33 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 Ottery St Mary’s climate
How warm does Ottery St Mary get in summer?
July is the warmest month, with average highs of 21.1°C (70°F). About 8 days a year reach 25°C (77°F), fewer than 62% of UK towns.
How cold does Ottery St Mary get in winter?
February nights average 2.4°C (36°F). The air drops below freezing on about 35 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Ottery St Mary get?
About 974 mm (38 in) a year, more than 76% of UK towns. November is the wettest month (116 mm) and July the driest (56 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Yeovilton (33 miles away), averages 1,524 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 Ottery St Mary. 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 Ottery St Mary →
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