Midwinter lows in Saint-Romain-d'Ay sink below those of 78% of mainland French towns
In July the day’s top temperature is typically 26.8°C. Its yearly rainfall tops that of 74% of mainland French towns. A year here swings 26°C from midwinter lows to midsummer highs. For walks and days out, the stretch from May to September brings highs of 20–27°C.
These are the figures of Météo-France’s Préaux Sa station, 3.1 km south.
A year in Saint-Romain-d'Ay at a glance
Each month’s typical high and low in °C, at the Préaux Sa station.
What a year in Saint-Romain-d'Ay feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Préaux Sa.
About 870 mm of rain a year
November is the wettest month and February the driest. About 26 days a year bring 10 mm or more. 16th wettest of 22 towns of 2,500+ in Ardèche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Colombier Jeune Rad
48 frosts and 63 days of 25°C a year
On about 48 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 63 days a year reach 25°C, and 18 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Préaux Sa: a frost is a night of 0°C or below, a summer day (jour d’été) 25°C or more, a hot day (forte chaleur) 30°C or more.
The Météo-France station at Préaux Sa
Préaux Sa is 3.1 km south of Saint-Romain-d'Ay. Every figure on this page is the station’s, not a measurement in Saint-Romain-d'Ay itself.
| Station (Météo-France number) | Préaux Sa (07185001) |
| Distance from the town | 3.1 km south |
| Station altitude | 525 m |
| Town altitude (its center) | 449 m |
| Period | 1995–2020 (the station’s own record) |
| Sunshine measured at | Colombier Jeune Rad, 17 km away |
TownRatings matches each commune to one station with at least 24 years of temperature and rain records: the nearest, counting every 100 m of height difference as 10 km, never across the sea.
How Saint-Romain-d'Ay compares
Against the 4,385 towns of 2,500 or more in mainland France, each read from its own matched station. The dots are the other towns of 2,500+ in Ardèche.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Saint-Romain-d'Ay | Préaux Sa | 26.8°C | 0.7°C | 870 mm |
| Roiffieux 6.4 km | Annonay | 28.4°C 1.6°C warmer | 0.2°C about the same | 802 mm |
| Vernosc-lès-Annonay 7.3 km | Annonay | 28.4°C 1.6°C warmer | 0.2°C about the same | 802 mm |
| Annonay 8.6 km | Annonay | 28.4°C 1.6°C warmer | 0.2°C about the same | 802 mm |
| Davézieux 10 km | Annonay | 28.4°C 1.6°C warmer | 0.2°C about the same | 802 mm |
| Saint-Vallier 11 km | Saint-Barthélemy-V | 29.1°C 2.3°C warmer | 0.6°C about the same | 860 mm |
| Bourg-Argental 17 km | same station | 26.8°C about the same | 0.7°C about the same | 870 mm |
Saint-Romain-d'Ay weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Préaux Sa station; sunshine at Colombier Jeune Rad.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.6°C | 0.7°C | 3.6°C | 56 mm | 73 |
| February | 7.8°C | 1.0°C | 4.4°C | 39 mm | 99 |
| March | 12.1°C | 3.7°C | 7.9°C | 45 mm | 168 |
| April | 15.6°C | 6.6°C | 11.1°C | 69 mm | 188 |
| May | 19.6°C | 10.1°C | 14.9°C | 89 mm | 218 |
| June | 24.2°C | 13.8°C | 19.0°C | 61 mm | 261 |
| July | 26.8°C | 15.8°C | 21.3°C | 67 mm | 282 |
| August | 26.3°C | 15.6°C | 20.9°C | 63 mm | 253 |
| September | 21.6°C | 12.0°C | 16.8°C | 79 mm | 197 |
| October | 16.6°C | 9.2°C | 12.9°C | 116 mm | 123 |
| November | 10.4°C | 4.2°C | 7.3°C | 125 mm | 81 |
| December | 7.1°C | 1.4°C | 4.2°C | 61 mm | 62 |
| Year | 16.2°C | 7.8°C | 12.0°C | 870 mm | 2,003 |
Where Saint-Romain-d'Ay’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Préaux Sa, 3.1 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, where its record is shorter).
- Which station: among stations with at least 24 of the 30 years of temperature and rain, the nearest to the commune’s population-weighted center, counting each 100 m of height difference as 10 km; mainland towns use mainland stations and each overseas département its own.
- Altitudes: the town’s from IGN’s RGE ALTI® at its population-weighted center; the station’s from Météo-France.
- Sunshine: the nearest station with at least 10 years of sunshine records, Colombier Jeune Rad, 17 km away.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Ardèche.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Romain-d'Ay’s climate
How warm does Saint-Romain-d'Ay get in summer?
July is the warmest month, with average highs of 26.8°C. About 63 days a year reach 25°C, more than 54% of mainland French towns, and about 18 reach 30°C.
How cold does Saint-Romain-d'Ay get in winter?
January nights average 0.7°C. The air drops to 0°C or below on about 48 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Saint-Romain-d'Ay get?
About 870 mm a year, more than 74% of mainland French towns. November is the wettest month (125 mm) and February the driest (39 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Colombier Jeune Rad (17 km away), averages 2,003 hours of sunshine a year.
Are these figures for Saint-Romain-d'Ay itself?
No: they are the normals of the Météo-France station matched to Saint-Romain-d'Ay, Préaux Sa, 3.1 km away. France publishes its climate normals by station, not by commune; a valley, a hill or the sea can make a difference over a few kilometers.
Where do these figures come from?
Météo-France’s fiches climatologiques: 30-year averages (1991–2020) for each of its long-running stations, published as open data since 2024. They are normals, not a forecast.
Source: Météo-France, fiches climatologiques, 1991–2020 statistics (station PREAUX SA, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Romain-d'Ay →
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.