Hardly any mainland French towns wake to more frost than Porta
Sunny July days climb to about 24.5°C. Of the 51 towns of 2,500+ in Pyrénées-Orientales, it is the wettest. The gap between a January night and a July afternoon is 28°C. An umbrella earns its place on about 127 days a year with 1 mm of rain or more.
Figures from Météo-France’s Ascou Lavail station, 23 km north.
A year in Porta at a glance
Each month’s typical high and low in °C, at the Ascou Lavail station.
What a year in Porta feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Ascou Lavail.
About 1,259 mm of rain a year
November is the wettest month and July the driest. About 44 days a year bring 10 mm or more. The wettest of 51 towns of 2,500+ in Pyrénées-Orientales.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montaut
A frosty town: 132 frosts and 57 days of 25°C a year
On about 132 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 57 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Ascou Lavail: 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 Ascou Lavail
Ascou Lavail is 23 km north of Porta. Every figure on this page is the station’s, not a measurement in Porta itself.
| Station (Météo-France number) | Ascou Lavail (09023002) |
| Distance from the town | 23 km north |
| Station altitude | 1,090 m |
| Town altitude (its center) | 1,519 m |
| Period | 1991–2020 |
| Sunshine measured at | Montaut, 76 km away |
Porta sits 429 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Porta to run about 2.8°C cooler 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 Porta 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 Pyrénées-Orientales.
Porta weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ascou Lavail station; sunshine at Montaut.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.3°C | −3.2°C | 2.0°C | 129 mm | 100 |
| February | 8.7°C | −3.2°C | 2.7°C | 103 mm | 129 |
| March | 12.4°C | −0.9°C | 5.8°C | 97 mm | 170 |
| April | 14.4°C | 1.2°C | 7.8°C | 127 mm | 195 |
| May | 18.2°C | 4.5°C | 11.3°C | 129 mm | 210 |
| June | 21.8°C | 8.0°C | 14.9°C | 98 mm | 238 |
| July | 24.5°C | 10.0°C | 17.3°C | 73 mm | 260 |
| August | 25.0°C | 10.0°C | 17.5°C | 74 mm | 242 |
| September | 21.0°C | 6.8°C | 13.9°C | 91 mm | 212 |
| October | 17.3°C | 4.0°C | 10.7°C | 89 mm | 171 |
| November | 11.3°C | −0.1°C | 5.6°C | 132 mm | 119 |
| December | 7.7°C | −2.3°C | 2.7°C | 117 mm | 113 |
| Year | 15.8°C | 2.9°C | 9.3°C | 1,259 mm | 2,158 |
Where Porta’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ascou Lavail, 23 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, Montaut, 76 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 Pyrénées-Orientales.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Porta’s climate
How warm does Porta get in summer?
August is the warmest month, with average highs of 25.0°C. About 57 days a year reach 25°C, fewer than 56% of mainland French towns, and about 14 reach 30°C.
How cold does Porta get in winter?
January nights average −3.2°C. The air drops to 0°C or below on about 132 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Porta get?
About 1,259 mm a year, more than 97% of mainland French towns. November is the wettest month (132 mm) and July the driest (73 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montaut (76 km away), averages 2,158 hours of sunshine a year.
Are these figures for Porta itself?
No: they are the normals of the Météo-France station matched to Porta, Ascou Lavail, 23 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 ASCOU LAVAIL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Porta →
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.