Nights stay kind in Newnham each January, milder than in 77% of UK towns
High summer brings afternoon highs near 22.1°C (72°F). Warm afternoons come more often than in 73% of UK towns. A year here swings 20°C from midwinter lows to midsummer highs. Gritters and ice scrapers earn their keep on roughly 40 nights a year below 0°C.
Met Office 1991–2020 averages for the town itself.
A year in Newnham at a glance
Each month’s typical high and low, in °C.
What a year in Newnham feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 856 mm of rain a year
December is the wettest month and April the driest. About 25 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Ross-on-Wye
40 air frosts and 15 days of 25°C a year
On about 40 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 Ross-on-Wye
Ross-on-Wye is 9.3 miles north-west of Newnham, 67 m (220 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.
| Month | High | Low | Rain | Air frosts | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.0°C | 2.2°C | 76 mm | 9.0 | 55 |
| February | 8.7°C | 2.1°C | 55 mm | 8.4 | 77 |
| March | 11.2°C | 3.3°C | 53 mm | 4.9 | 118 |
| April | 14.2°C | 5.0°C | 55 mm | 2.0 | 165 |
| May | 17.4°C | 7.8°C | 57 mm | 0.1 | 202 |
| June | 20.3°C | 10.7°C | 56 mm | 0.0 | 201 |
| July | 22.3°C | 12.6°C | 52 mm | 0.0 | 209 |
| August | 21.7°C | 12.5°C | 64 mm | 0.0 | 188 |
| September | 19.1°C | 10.3°C | 57 mm | 0.0 | 143 |
| October | 14.8°C | 7.7°C | 85 mm | 1.2 | 104 |
| November | 10.9°C | 4.6°C | 80 mm | 4.5 | 63 |
| December | 8.3°C | 2.4°C | 79 mm | 8.8 | 47 |
| Year | 14.7°C | 6.8°C | 768 mm | 39 | 1,570 |
Met Office historic station data, Ross-On-Wye, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Newnham 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 Gloucestershire 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 |
|---|---|---|---|
| Newnham | 22.1°C | 2.3°C | 856 mm |
| Ruspidge 2.3 mi | 21.2°C 0.9°C cooler | 1.5°C 0.8°C colder | 1,042 mm |
| Cinderford 2.5 mi | 21.2°C 0.9°C cooler | 1.6°C 0.7°C colder | 934 mm |
| Blakeney 3.3 mi | 22.0°C about the same | 1.9°C about the same | 937 mm |
| Frampton on Severn 4.2 mi | 22.3°C about the same | 2.2°C about the same | 767 mm |
| Drybrook 4.4 mi | 21.3°C 0.8°C cooler | 1.4°C 0.9°C colder | 915 mm |
| Mitcheldean 4.6 mi | 21.3°C 0.8°C cooler | 1.7°C 0.6°C colder | 906 mm |
Newnham 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 | 8.0°C 46°F | 2.3°C 36°F | 5.0°C | 82 mm 3.2 in |
| February | 8.7°C 48°F | 2.2°C 36°F | 5.4°C | 67 mm 2.6 in |
| March | 11.2°C 52°F | 3.4°C 38°F | 7.2°C | 60 mm 2.4 in |
| April | 14.1°C 57°F | 4.8°C 41°F | 9.4°C | 53 mm 2.1 in |
| May | 17.3°C 63°F | 7.6°C 46°F | 12.4°C | 64 mm 2.5 in |
| June | 20.1°C 68°F | 10.5°C 51°F | 15.3°C | 62 mm 2.4 in |
| July | 22.1°C 72°F | 12.5°C 54°F | 17.4°C | 61 mm 2.4 in |
| August | 21.6°C 71°F | 12.2°C 54°F | 16.9°C | 69 mm 2.7 in |
| September | 18.9°C 66°F | 10.1°C 50°F | 14.5°C | 63 mm 2.5 in |
| October | 14.8°C 59°F | 7.6°C 46°F | 11.1°C | 89 mm 3.5 in |
| November | 10.8°C 51°F | 4.6°C 40°F | 7.6°C | 90 mm 3.6 in |
| December | 8.2°C 47°F | 2.4°C 36°F | 5.3°C | 97 mm 3.8 in |
| Year | 14.6°C | 6.7°C | 10.6°C | 856 mm |
Where Newnham’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 Newnham’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 Ross-On-Wye, 9.3 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 Newnham’s climate
How warm does Newnham get in summer?
July is the warmest month, with average highs of 22.1°C (72°F). About 15 days a year reach 25°C (77°F), more than 73% of UK towns.
How cold does Newnham get in winter?
February nights average 2.2°C (36°F). The air drops below freezing on about 40 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Newnham get?
About 856 mm (34 in) a year, more than 63% of UK towns. December is the wettest month (97 mm) and April the driest (53 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Ross-on-Wye (9.3 miles away), averages 1,570 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 Newnham. 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 Newnham →
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.