Firminy weather in April

In April, Firminy sees average daytime highs of 14°C and overnight lows near 5°C, with 76 mm of precipitation across 12.6 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 25% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Firminy's 6th-clearest and 1st-windiest month. For the whole year in context, see Firminy's year-round climate.

Daytime high
14°
7th warmest
Overnight low
6th coldest
Precipitation
76 mm
12.6 wet days
Daylight
13 h 18 min
6:05 AM – 7:21 PM
Cloud cover
63%
6th clearest
Wind
10 km/h
1st windiest
Solar energy
4.83 kWh/m²
Travel score
4.0
out of 10
Air quality
Good
PM10 24.4 µg/m³ · 2010

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 16°C by the end.

A typical April day in Firminy reaches about 14°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 20°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1133
2133
3133
4133
5134
6134
7134
8134
9144
10144
11144
12144
13144
14144
15144
16144
17155
18155
19155
20155
21155
22155
23155
24166
25166
26166
27166
28166
29166
30167

How April really feels in Firminy

Once humidity and wind are folded in, April 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

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

Firminy weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5811.64.88.90.3
Feb / -0°4610.24.810.10.9
Mar11° / 4910.42.311.62.8
Apr14° / 7612.61.313.24.0
May18° / 8713.10.314.75.4
Jun22° / 12°7511.7015.46.4
Jul25° / 14°639.7015.17.1
Aug25° / 13°659.2013.97.2
Sep20° / 10°779.3012.36.4
Oct15° / 8411.10.410.74.5
Nov10° / 8512.22.29.31.9
Dec / 5911.13.68.60.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53961
63961
74060
84060
94159
104159
114159
124159
134258
144159
154159
164258
174258
184159
194060
204060
213961
223961
233862
243664
253664
263565
273565
283466
293466
303367

Chance of precipitation in April

Any precipitationSnow

Firminy gets around 76 mm of rain and snow over 12.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 49% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1386
2386
3386
4396
5395
6395
7405
8405
9405
10405
11405
12406
13406
14406
15406
16405
17405
18405
19415
20415
21424
22434
23444
24454
25463
26473
27483
28483
29493
30493

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 10 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:33 AM to 5:41 AM, and sunset from 7:02 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:337:02
212.56:317:03
312.66:297:04
412.66:277:06
512.76:257:07
612.76:247:08
712.86:227:10
812.96:207:11
912.96:187:12
1013.06:167:14
1113.06:147:15
1213.16:127:16
1313.16:107:17
1413.26:087:19
1513.26:077:20
1613.36:057:21
1713.36:037:23
1813.46:017:24
1913.45:597:25
2013.55:587:27
2113.55:567:28
2213.65:547:29
2313.65:527:30
2413.75:517:32
2513.75:497:33
2613.85:477:34
2713.85:467:36
2813.95:447:37
2913.95:427:38
3014.05:417:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.83 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 6.15 kWh/m² in July across the year — April's 4.83 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Firminy?

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

4.0
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Firminy for sightseeing.

What to pack for Firminy in April

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

In April, Firminy sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Firminy in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Firminy peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Firminy in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Firminy 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2216 µg/m³Jul 2311 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep11Good
Oct12Good
Nov12Good
Dec12Moderate
Location & terrain

Where is Firminy?

Firminy sits at 45.4°N, 4.3°E, 477 m above sea level, in France. The nearest listed city is Saint-Étienne, 9.0 km away.

Topography around Firminy

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

Within 3 km, the terrain around Firminy has significant variations in elevation — a maximum elevation change of 403 m around an average of 545 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 890 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,641 m.

The land around Firminy is covered by trees (46%), artificial surfaces (26%) and grassland (25%) within 3 km, trees (49%) and grassland (34%) within 16 km, and trees (48%) and grassland (34%) within 80 km.

3 km
403 m
16 km
890 m
80 km
1,641 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Saint-Étienne 9.0 km · Saint-Chamond 20 km · Montbrison 30 km · Annonay 34 km · Givors 44 km · Vienne 48 km · Le Puy-en-Velay 50 km · Saint-Genis-Laval 52 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 Firminy (45.3896°, 4.2886°, elevation 477 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).