Rainfall in Plainoiseau tops that of 93% of mainland French towns: 1,147 mm a year
Midsummer highs settle at about 25.9°C. Of the 11 towns of 2,500+ in Jura, it has the mildest January nights. Expect the heaviest rain in November and the lightest in February. Comfortable outdoor weather lasts from May to September, with highs of 20–26°C.
These are the figures of Météo-France’s Lons le Saunier station, 4.9 km south-west.
A year in Plainoiseau at a glance
Each month’s typical high and low in °C, at the Lons le Saunier station.
What a year in Plainoiseau feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Lons le Saunier.
About 1,147 mm of rain a year
November is the wettest month and February the driest. About 39 days a year bring 10 mm or more. 7th wettest of 11 towns of 2,500+ in Jura.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Tavaux Sa
A frosty town: 52 frosts and 61 days of 25°C a year
On about 52 nights a year the air drops to 0°C or below, and on about 10 days it stays below freezing all day. About 61 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Lons le Saunier: 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 Lons le Saunier
Lons le Saunier is 4.9 km south-west of Plainoiseau. Every figure on this page is the station’s, not a measurement in Plainoiseau itself.
| Station (Météo-France number) | Lons le Saunier (39362001) |
| Distance from the town | 4.9 km south-west |
| Station altitude | 298 m |
| Town altitude (its center) | 295 m |
| Period | 1991–2020 |
| Sunshine measured at | Tavaux Sa, 36 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 Plainoiseau 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 Jura.
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 |
|---|---|---|---|---|
| Plainoiseau | Lons le Saunier | 25.9°C | 0.6°C | 1,147 mm |
| Montmorot 5.8 km | same station | 25.9°C about the same | 0.6°C about the same | 1,147 mm |
| Lons-le-Saunier 6 km | same station | 25.9°C about the same | 0.6°C about the same | 1,147 mm |
| Poligny 17 km | Arbois | 25.7°C about the same | 0.4°C about the same | 1,203 mm |
| Arbois 26 km | Arbois | 25.7°C about the same | 0.4°C about the same | 1,203 mm |
| Champagnole 27 km | Champagnole | 24.8°C 1.1°C cooler | −3.1°C 3.7°C colder | 1,573 mm |
| Louhans-Châteaurenaud 27 km | Montpont | 27.3°C 1.4°C warmer | 0.2°C about the same | 1,026 mm |
Plainoiseau weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Lons le Saunier station; sunshine at Tavaux Sa.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.0°C | 0.6°C | 3.3°C | 83 mm | 57 |
| February | 7.6°C | 0.8°C | 4.2°C | 77 mm | 100 |
| March | 12.4°C | 3.8°C | 8.1°C | 80 mm | 186 |
| April | 16.1°C | 6.4°C | 11.3°C | 92 mm | 215 |
| May | 20.0°C | 10.1°C | 15.1°C | 113 mm | 221 |
| June | 23.8°C | 13.6°C | 18.7°C | 89 mm | 252 |
| July | 25.9°C | 15.5°C | 20.7°C | 95 mm | 276 |
| August | 25.8°C | 15.3°C | 20.5°C | 95 mm | 251 |
| September | 21.3°C | 11.8°C | 16.5°C | 95 mm | 205 |
| October | 16.2°C | 8.8°C | 12.5°C | 112 mm | 128 |
| November | 10.1°C | 4.1°C | 7.1°C | 117 mm | 67 |
| December | 6.6°C | 1.3°C | 3.9°C | 100 mm | 54 |
| Year | 16.0°C | 7.7°C | 11.8°C | 1,147 mm | 2,012 |
Where Plainoiseau’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Lons le Saunier, 4.9 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, Tavaux Sa, 36 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 Jura.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Plainoiseau’s climate
How warm does Plainoiseau get in summer?
July is the warmest month, with average highs of 25.9°C. About 61 days a year reach 25°C, fewer than 50% of mainland French towns, and about 16 reach 30°C.
How cold does Plainoiseau get in winter?
January nights average 0.6°C. The air drops to 0°C or below on about 52 nights a year, and about 10 days a year stay below freezing all day.
How much rain does Plainoiseau get?
About 1,147 mm a year, more than 93% of mainland French towns. November is the wettest month (117 mm) and February the driest (77 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Tavaux Sa (36 km away), averages 2,012 hours of sunshine a year.
Are these figures for Plainoiseau itself?
No: they are the normals of the Météo-France station matched to Plainoiseau, Lons le Saunier, 4.9 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 LONS LE SAUNIER, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Plainoiseau →
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.