Lons-le-Saunier weather in May

In May, Lons-le-Saunier sees average daytime highs of 20°C and overnight lows near 11°C, with 97 mm of rain across 13 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Lons-le-Saunier's 7th-clearest and 8th-windiest month. For the whole year in context, see Lons-le-Saunier's year-round climate.

Daytime high
20°
5th warmest
Overnight low
11°
8th coldest
Rainfall
97 mm
13 wet days
Daylight
14 h 48 min
5:10 AM – 7:58 PM
Cloud cover
62%
7th clearest
Wind
10 km/h
8th windiest
Solar energy
5.34 kWh/m²
Travel score
5.8
out of 10
Air quality
Good
PM2.5 6.4 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical May day in Lons-le-Saunier reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5189
61910
71910
81910
91910
101910
111910
121910
131910
142010
152010
162010
172011
182011
192011
202111
212111
222111
232111
242111
252111
262112
272212
282212
292212
302212
312212

How May really feels in Lons-le-Saunier

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Lons-le-Saunier weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10713.42.88.80.6
Feb / 9111.93101.2
Mar12° / 9012.41.511.63.2
Apr16° / 9112.20.313.34.8
May20° / 11°9713014.85.8
Jun24° / 14°7811.1015.66.7
Jul26° / 16°6810015.36.8
Aug26° / 15°699.30147.0
Sep21° / 12°8810.2012.46.5
Oct16° / 103120.110.64.9
Nov10° / 12013.81.49.22.2
Dec / 11914.62.68.40.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73565
83664
93664
103763
113763
123763
133763
143961
153961
163961
174159
184159
194258
204456
214456
224654
234654
244654
254654
264654
274654
284654
294555
304456
314456

Chance of precipitation in May

Any precipitation

Lons-le-Saunier gets around 97 mm of rain over 13 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
647
746
846
945
1045
1145
1244
1344
1444
1543
1643
1742
1841
1941
2040
2139
2239
2339
2438
2538
2638
2738
2839
2939
3040
3140

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19730
29730
39640
49550
59550
69460
79370
89370
99280
109280
119190
129190
139190
1490100
1590100
1689110
1789110
1888120
1986131
2086131
2185141
2284151
2382162
2481172
2580182
2678202
2776213
2875223
2973234
3071245
3170255

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:31 AM to 4:55 AM, and sunset from 7:39 PM to 8:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:317:39
214.25:307:40
314.25:287:41
414.35:277:43
514.35:257:44
614.45:237:45
714.45:227:47
814.55:217:48
914.55:197:49
1014.55:187:51
1114.65:167:52
1214.65:157:53
1314.75:147:54
1414.75:127:56
1514.85:117:57
1614.85:107:58
1714.85:097:59
1814.95:078:01
1914.95:068:02
2015.05:058:03
2115.05:048:04
2215.05:038:05
2315.15:028:07
2415.15:018:08
2515.15:008:09
2615.24:598:10
2715.24:588:11
2815.24:588:12
2915.34:578:13
3015.34:568:14
3115.34:558:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.34 kWh/m².

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 5.97 kWh/m² in July across the year — May's 5.34 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Lons-le-Saunier?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
5th-best month of the year
3.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Lons-le-Saunier for sightseeing.

What to pack for Lons-le-Saunier in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Lons-le-Saunier sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Lons-le-Saunier in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lons-le-Saunier peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Lons-le-Saunier?

Lons-le-Saunier sits at 46.7°N, 5.6°E, 260 m above sea level, in France. The nearest listed city is Dole, 47 km away.

Topography around Lons-le-Saunier

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lons-le-Saunier.

Within 3 km, the terrain around Lons-le-Saunier has significant variations in elevation — a maximum elevation change of 313 m around an average of 312 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 570 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Lons-le-Saunier is covered by trees (42%), grassland (34%) and artificial surfaces (20%) within 3 km, trees (47%) and grassland (37%) within 16 km, and trees (46%), grassland (28%) and cropland (21%) within 80 km.

3 km
313 m
16 km
570 m
80 km
1,533 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Dole 47 km · Oyonnax 47 km · Chalon-sur-Saône 55 km · Bourg-en-Bresse 58 km · Nyon 62 km · Meyrin 63 km · Vernier 65 km · Pontarlier 66 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lons-le-Saunier (46.6754°, 5.5557°, elevation 260 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).