Annonay weather in May

In May, Annonay sees average daytime highs of 19°C and overnight lows near 10°C, with 94 mm of precipitation across 12.5 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°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 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Annonay's 7th-clearest and 3rd-windiest month. For the whole year in context, see Annonay's year-round climate.

Daytime high
19°
5th warmest
Overnight low
10°
8th coldest
Precipitation
94 mm
12.5 wet days
Daylight
14 h 42 min
5:18 AM – 7:58 PM
Cloud cover
62%
7th clearest
Wind
12 km/h
3rd windiest
Solar energy
5.62 kWh/m²
Travel score
5.8
out of 10

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 21°C by the end.

A typical May day in Annonay reaches about 19°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°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)
1178
2178
3188
4188
5188
6189
7189
8189
9189
10189
11199
12199
13199
14199
151910
161910
171910
182010
192010
202010
212010
222010
232010
242111
252111
262111
272111
282111
292111
302111
312111

How May really feels in Annonay

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.

Annonay weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6911.23.590.5
Feb / 549.42.910.11.2
Mar12° / 6110.81.511.63.2
Apr15° / 8911.90.913.24.5
May19° / 10°9412.50.214.65.8
Jun24° / 13°8011.3015.46.7
Jul26° / 15°869.9015.16.9
Aug26° / 15°809.8013.97.0
Sep21° / 12°1039.5012.36.6
Oct16° / 11111.10.210.74.8
Nov10° / 10812.31.69.32.2
Dec / 6911.12.58.60.8

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 17% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23763
33664
43664
53664
63664
73664
83664
93763
103763
113763
123961
133961
144159
154159
164357
174456
184456
194654
204753
214852
224951
234852
244951
254951
264852
274753
284753
294654
304555
314555

Chance of precipitation in May

Any precipitationSnow

Annonay gets around 94 mm of rain and snow over 12.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 47% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1472
2472
3471
4471
5471
6461
7461
8451
9441
10431
11431
12420
13410
14410
15400
16390
17390
18380
19370
20370
21360
22360
23360
24360
25360
26370
27380
28380
29390
30400
31410

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39730
49730
59730
69730
79640
89640
99640
109640
119640
129640
139640
149640
159640
169550
179550
189460
199370
209280
219280
229190
2389110
2488120
2587130
2685150
2784160
2883170
2980191
3079201
3178211

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 12 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 5:38 AM to 5:04 AM, and sunset from 7:39 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:387:39
214.15:377:40
314.15:357:42
414.25:337:43
514.25:327:44
614.25:317:45
714.35:297:47
814.35:287:48
914.45:267:49
1014.45:257:50
1114.55:247:52
1214.55:227:53
1314.55:217:54
1414.65:207:55
1514.65:197:56
1614.75:187:58
1714.75:167:59
1814.75:158:00
1914.85:148:01
2014.85:138:02
2114.85:128:03
2214.95:118:04
2314.95:108:05
2415.05:098:06
2515.05:098:07
2615.05:088:09
2715.05:078:10
2815.15:068:11
2915.15:058:11
3015.15:058:12
3115.25:048:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.62 kWh/m².

For context, solar energy here swings from a low near 1.18 kWh/m² to a high of 6.33 kWh/m² in July across the year — May's 5.62 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Annonay?

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
2.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Annonay for sightseeing.

What to pack for Annonay in May

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

In May, Annonay sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Annonay 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 Annonay peaks around July 16 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Annonay in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Annonay is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2116 µg/m³Jul 2411 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep12Good
Oct12Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Annonay?

Annonay sits at 45.2°N, 4.7°E, 340 m above sea level, in France. The nearest listed city is Saint-Chamond, 29 km away.

Topography around Annonay

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Annonay.

Within 3 km, the terrain around Annonay has significant variations in elevation — a maximum elevation change of 424 m around an average of 414 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,277 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,234 m.

The land around Annonay is covered by trees (40%), grassland (32%) and artificial surfaces (22%) within 3 km, trees (52%) and grassland (31%) within 16 km, and trees (51%) and grassland (29%) within 80 km.

3 km
424 m
16 km
1,277 m
80 km
2,234 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Saint-Chamond 29 km · Saint-Étienne 31 km · Firminy 34 km · Vienne 36 km · Bourg-lès-Valence 37 km · Romans-sur-Isère 38 km · Valence 40 km · Givors 40 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 Annonay (45.2399°, 4.6707°, elevation 340 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).