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Climate in Saint-Justin · Météo-France 1991–2020 normals

Warm afternoons come to Saint-Justin more often than to 85% of mainland French towns

January nights here settle around 1.1°C. None of the 11 towns of 2,500+ in Gers gets more rain. From frosty January to warm July, readings climb 27°C. Windscreens need scraping on about 51 mornings a year, the nights the air drops below 0°C.

July afternoons: warmer than 77% of mainland French towns
January nights: colder than 72% of mainland French towns
Rain a year: wetter than 78% of mainland French towns

Figures from Météo-France’s Maubourguet station, 9.1 km west.

A year in Saint-Justin at a glance

Each month’s typical high and low in °C, at the Maubourguet station.

Jan11°C1°CColdest nights
Feb12°C1°C
Mar16°C4°C
Apr18°C7°C
May22°C10°C
Jun26°C14°C
Jul28°C15°C
Aug28°C15°CWarmest
Sep25°C12°C
Oct21°C8°C
Nov now14°C4°CWettest
Dec11°C2°C
A normal year

What a year in Saint-Justin feels like

Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Maubourguet.

Winter
12°C / 1°C
51 frosts a year
Spring
19°C / 7°C
251 mm of rain, the wettest season
Summer
27°C / 15°C
96 days of 25°C+ a year
Autumn
20°C / 8°C
229 mm of rain
Best months to be outsideMayJunSepOctHighs of 17–27°C and nights of 8°C or more
Rain

About 904 mm of rain a year

November is the wettest month and August the driest. About 29 days a year bring 10 mm or more. The wettest of 11 towns of 2,500+ in Gers.

904 mm
Rain a year, over 117 days of 1 mm or more
Wetter than 78% of mainland French towns
29
Days a year with 10 mm of rain or more
1,964 hrs
Sunshine a year at Tarbes-Lourdes-Pyrenees
36 km away

Rain by month

Millimeters

100 mm
JFMAMJJASOND

Sunshine by month

Hours of sunshine at Tarbes-Lourdes-Pyrenees

208 h
JFMAMJJASOND
Frost & warm days

A frosty town: 51 frosts and 96 days of 25°C a year

On about 51 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 96 days a year reach 25°C, and 35 reach 30°C.

51
Air frosts a year (below 0°C)
More frosts than 71% of mainland French towns
under 1
Days that stay below 0°C
96
Days of 25°C or more
More warm days than 85% of mainland French towns
35
Hot days, 30°C or more
More hot days than 86% of mainland French towns

Day counts are Météo-France’s 1991–2020 normals at Maubourguet: 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.

Weather station

The Météo-France station at Maubourguet

Maubourguet is 9.1 km west of Saint-Justin. Every figure on this page is the station’s, not a measurement in Saint-Justin itself.

Station (Météo-France number)Maubourguet (65304001)
Distance from the town9.1 km west
Station altitude177 m
Town altitude (its center)225 m
Period1991–2020
Sunshine measured atTarbes-Lourdes-Pyrenees, 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.

Compared with other towns

How Saint-Justin 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 Gers.

July afternoons27.9°C
Saint-JustinMedian mainland town
26°C27°C28°C29°C
Warmer than 77% of mainland French towns6th warmest of 11 towns of 2,500+ in Gers
January nights1.1°C
Saint-JustinMedian mainland town
1°C2°C3°C4°C
Colder than 72% of mainland French towns12th mildest of 11 towns of 2,500+ in Gers
Rain a year904 mm
Saint-JustinMedian mainland town
4006008001,0001,200
Wetter than 78% of mainland French townsThe wettest of 11 towns of 2,500+ in Gers
Frosts a year51 nights
Saint-JustinMedian mainland town
020406080
More frosts than 71% of mainland French townsThe frostiest of 11 towns of 2,500+ in Gers
Days of 25°C or more96 days
Saint-JustinMedian mainland town
6080100120
More warm days than 85% of mainland French towns6th most 25°C days of 11 towns of 2,500+ in Gers
Next door

Nearby towns’ climate

The nearest towns of 2,500+ within 29 km, each with its own matched station.

TownStationJuly highJanuary lowRain a year
Saint-JustinMaubourguet27.9°C1.1°C904 mm
Vic-en-Bigorre 14 kmVic-en-Bigorre26.6°C 1.3°C cooler0.8°C about the same937 mm
Mirande 21 kmMirande27.8°C about the same1.9°C 0.8°C milder819 mm
Bordères-sur-l'Échez 27 kmTarbes-Lourdes-Pyrenees25.2°C 2.7°C cooler1.1°C about the same1,081 mm
Aureilhan 28 kmCastelvieilh25.8°C 2.1°C cooler3.3°C 2.2°C milder956 mm
Month by month

Saint-Justin weather by month

Average daily high and low, mean temperature and rain, 1991–2020, at the Maubourguet station; sunshine at Tarbes-Lourdes-Pyrenees.

MonthHighLowMeanRainSun (hours)
January10.8°C1.1°C5.9°C87 mm114
February12.4°C1.3°C6.8°C70 mm129
March15.9°C4.0°C10.0°C75 mm169
April18.3°C6.6°C12.5°C87 mm170
May22.0°C10.4°C16.2°C89 mm189
June25.7°C13.6°C19.7°C70 mm196
July27.9°C15.2°C21.5°C59 mm207
August28.2°C15.0°C21.6°C56 mm208
September25.2°C11.5°C18.3°C62 mm195
October20.6°C8.1°C14.3°C68 mm156
November14.4°C4.0°C9.2°C100 mm118
December11.4°C1.5°C6.4°C82 mm112
Year19.4°C7.7°C13.5°C904 mm1,964
Sources

Where Saint-Justin’s numbers come from

Averages over 30 years, not a forecast.

  • Temperature, rain and day counts: Météo-France’s fiche climatologique for Maubourguet, 9.1 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, Tarbes-Lourdes-Pyrenees, 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 Gers.

Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.

Questions about Saint-Justin’s climate

How warm does Saint-Justin get in summer?

August is the warmest month, with average highs of 28.2°C. About 96 days a year reach 25°C, more than 85% of mainland French towns, and about 35 reach 30°C.

How cold does Saint-Justin get in winter?

January nights average 1.1°C. The air drops to 0°C or below on about 51 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Saint-Justin get?

About 904 mm a year, more than 78% of mainland French towns. November is the wettest month (100 mm) and August the driest (56 mm).

How sunny is it?

The nearest Météo-France station that records sunshine, Tarbes-Lourdes-Pyrenees (36 km away), averages 1,964 hours of sunshine a year.

Are these figures for Saint-Justin itself?

No: they are the normals of the Météo-France station matched to Saint-Justin, Maubourguet, 9.1 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 MAUBOURGUET, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Justin →

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.