Few mainland French towns have cooler summers than Arcon
Deep winter brings January lows near −1.5°C. Of all months, November brings the most rain and March the least. None of the 53 towns of 2,500+ in Loire gets more rain. Gritters and ice scrapers earn their keep on roughly 88 nights a year below 0°C.
These are the figures of Météo-France’s Saint-Nicolas station, 7.7 km north-west.
A year in Arcon at a glance
Each month’s typical high and low in °C, at the Saint-Nicolas station.
What a year in Arcon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Nicolas.
About 1,387 mm of rain a year
November is the wettest month and March the driest. About 47 days a year bring 10 mm or more. The wettest of 53 towns of 2,500+ in Loire.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Nicolas
A frosty town: 88 frosts and 17 days of 25°C a year
On about 88 nights a year the air drops to 0°C or below, and on about 30 days it stays below freezing all day. About 17 days a year reach 25°C, and 2 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Nicolas: 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 Saint-Nicolas
Saint-Nicolas is 7.7 km north-west of Arcon. Every figure on this page is the station’s, not a measurement in Arcon itself.
| Station (Météo-France number) | Saint-Nicolas (03248001) |
| Distance from the town | 7.7 km north-west |
| Station altitude | 1,022 m |
| Town altitude (its center) | 826 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
Arcon sits 196 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Arcon to run about 1.3°C warmer than these figures.
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 Arcon 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 Loire.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Arcon | Saint-Nicolas | 20.5°C | −1.5°C | 1,387 mm |
| Renaison 5.7 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
| Villerest 12 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
| Riorges 13 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
| Commelle-Vernay 14 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
| Roanne 14 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
| Mably 15 km | Riorges - Man | 27.6°C 7.1°C warmer | 0.5°C 2°C milder | 711 mm |
Arcon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Nicolas station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 3.5°C | −1.5°C | 1.0°C | 111 mm | 76 |
| February | 3.8°C | −1.6°C | 1.1°C | 93 mm | 100 |
| March | 7.2°C | 0.7°C | 3.9°C | 91 mm | 148 |
| April | 10.5°C | 3.1°C | 6.8°C | 109 mm | 177 |
| May | 14.5°C | 6.7°C | 10.6°C | 137 mm | 185 |
| June | 18.2°C | 10.1°C | 14.2°C | 115 mm | 222 |
| July | 20.5°C | 12.1°C | 16.3°C | 126 mm | 255 |
| August | 20.6°C | 12.4°C | 16.5°C | 110 mm | 221 |
| September | 16.2°C | 9.1°C | 12.6°C | 117 mm | 173 |
| October | 12.3°C | 6.2°C | 9.3°C | 124 mm | 133 |
| November | 7.0°C | 1.8°C | 4.4°C | 137 mm | 81 |
| December | 4.3°C | −0.6°C | 1.8°C | 118 mm | 69 |
| Year | 11.6°C | 4.9°C | 8.2°C | 1,387 mm | 1,839 |
Where Arcon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Nicolas, 7.7 km away: statistics for 1991–2020.
- 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, Saint-Nicolas, 7.7 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 Loire.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Arcon’s climate
How warm does Arcon get in summer?
August is the warmest month, with average highs of 20.6°C. About 17 days a year reach 25°C, fewer than 96% of mainland French towns, and about 2 reach 30°C.
How cold does Arcon get in winter?
February nights average −1.6°C. The air drops to 0°C or below on about 88 nights a year, and about 30 days a year stay below freezing all day.
How much rain does Arcon get?
About 1,387 mm a year, more than 98% of mainland French towns. November is the wettest month (137 mm) and March the driest (91 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Nicolas (7.7 km away), averages 1,839 hours of sunshine a year.
Are these figures for Arcon itself?
No: they are the normals of the Météo-France station matched to Arcon, Saint-Nicolas, 7.7 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 ST-NICOLAS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Arcon →
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.