Romans-sur-Isère weather in March

In March, Romans-sur-Isère sees average daytime highs of 13°C and overnight lows near 4°C, with 57 mm of precipitation across 9.6 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 32% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Romans-sur-Isère's 5th-clearest and 2nd-windiest month. For the whole year in context, see Romans-sur-Isère's year-round climate.

Daytime high: 13°; 8th warmest
Overnight low: 4°; 4th coldest
Precipitation: 57 mm; 9.6 wet days
Daylight: 11 h 36 min; 7:01 AM – 6:38 PM
Cloud cover: 57%; 5th clearest
Wind: 11 km/h; 2nd windiest
Solar energy: 3.77 kWh/m²
Travel score: 3.8; out of 10

Air quality: Good; PM10 16.6 µg/m³ · 2019

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

← February Romans-sur-Isère year-round climate April →Best places to visit in March

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 15°C by the end.

A typical March day in Romans-sur-Isère reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 18°C. Set against its neighbours, March runs about 4°C warmer than February and about 3°C cooler than April.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	11	11	11	11	12	12	12	12	12	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	15	15	15
Avg low (°C)	2	2	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	3
4	11	3
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	13	3
11	13	4
12	13	4
13	13	4
14	13	4
15	13	4
16	14	4
17	14	4
18	14	4
19	14	4
20	14	4
21	14	4
22	14	5
23	14	5
24	14	5
25	14	5
26	14	5
27	14	5
28	14	5
29	15	5
30	15	5
31	15	5

How March really feels in Romans-sur-Isère

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 6 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Romans-sur-Isère weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	7° / 1°	68	10.7	2.6	9	1.0
Feb	9° / 1°	55	9.1	2.5	10.1	1.8
Mar	13° / 4°	57	9.6	1.1	11.6	3.8
Apr	17° / 7°	80	10.8	0.4	13.2	5.1
May	20° / 11°	83	10.8	0.1	14.6	6.3
Jun	25° / 14°	60	8.6	0	15.4	7.1
Jul	28° / 16°	54	6.6	0	15.1	7.1
Aug	27° / 16°	53	6.7	0	13.9	7.1
Sep	23° / 13°	84	7.7	0	12.3	7.1
Oct	17° / 9°	97	10.5	0.1	10.7	5.4
Nov	11° / 5°	108	11.3	1.3	9.3	2.7
Dec	8° / 2°	67	11.1	2.2	8.6	1.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 51%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	43	43	43	44	45	47	48	49	50	51	52	53	53	53	54	54	53	52	52	51	50	50	49	49	48	48	47	47	47	48	48
Cloudier (%)	57	57	57	56	55	53	52	51	50	49	48	47	47	47	46	46	47	48	48	49	50	50	51	51	52	52	53	53	53	52	52

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	43	57
4	44	56
5	45	55
6	47	53
7	48	52
8	49	51
9	50	50
10	51	49
11	52	48
12	53	47
13	53	47
14	53	47
15	54	46
16	54	46
17	53	47
18	52	48
19	52	48
20	51	49
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	48	52
27	47	53
28	47	53
29	47	53
30	48	52
31	48	52

Chance of precipitation in March

Any precipitationSnow

Romans-sur-Isère gets around 57 mm of rain and snow over 9.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 34% on the wettest days, and about 1 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	33	33	34	33	33	33	32	32	31	30	29	28	28	27	27	26	27	27	27	28	29	29	30	30	31	32	32	33	34	34	34
Snow chance (%)	6	6	6	6	5	5	5	4	4	4	4	3	3	3	3	3	3	2	3	3	3	3	3	3	2	2	2	2	2	2	2

	Rain chance (%)	Snow chance (%)
1	33	6
2	33	6
3	34	6
4	33	6
5	33	5
6	33	5
7	32	5
8	32	4
9	31	4
10	30	4
11	29	4
12	28	3
13	28	3
14	27	3
15	27	3
16	26	3
17	27	3
18	27	2
19	27	3
20	28	3
21	29	3
22	29	3
23	30	3
24	30	3
25	31	2
26	32	2
27	32	2
28	33	2
29	34	2
30	34	2
31	34	2

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in March

Winds average 11 km/h in March.

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 48 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over March. Sunrise moves from 7:28 AM to 6:32 AM, and sunset from 6:17 PM to 6:57 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.8	10.9	10.9	11.0	11.0	11.1	11.1	11.2	11.2	11.3	11.3	11.4	11.4	11.5	11.6	11.6	11.7	11.7	11.8	11.8	11.9	11.9	12.0	12.0	12.1	12.1	12.2	12.3	12.3	12.4	12.4
Sunrise (AM)	7:28	7:27	7:25	7:23	7:21	7:20	7:18	7:16	7:14	7:12	7:11	7:09	7:07	7:05	7:03	7:01	6:59	6:57	6:55	6:53	6:52	6:50	6:48	6:46	6:44	6:42	6:40	6:38	6:36	6:34	6:32
Sunset (PM)	6:17	6:19	6:20	6:22	6:23	6:24	6:26	6:27	6:28	6:30	6:31	6:32	6:34	6:35	6:36	6:38	6:39	6:40	6:42	6:43	6:44	6:46	6:47	6:48	6:49	6:51	6:52	6:53	6:55	6:56	6:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.8	7:28	6:17
2	10.9	7:27	6:19
3	10.9	7:25	6:20
4	11.0	7:23	6:22
5	11.0	7:21	6:23
6	11.1	7:20	6:24
7	11.1	7:18	6:26
8	11.2	7:16	6:27
9	11.2	7:14	6:28
10	11.3	7:12	6:30
11	11.3	7:11	6:31
12	11.4	7:09	6:32
13	11.4	7:07	6:34
14	11.5	7:05	6:35
15	11.6	7:03	6:36
16	11.6	7:01	6:38
17	11.7	6:59	6:39
18	11.7	6:57	6:40
19	11.8	6:55	6:42
20	11.8	6:53	6:43
21	11.9	6:52	6:44
22	11.9	6:50	6:46
23	12.0	6:48	6:47
24	12.0	6:46	6:48
25	12.1	6:44	6:49
26	12.1	6:42	6:51
27	12.2	6:40	6:52
28	12.3	6:38	6:53
29	12.3	6:36	6:55
30	12.4	6:34	6:56
31	12.4	6:32	6:57

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.77 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.5 kWh/m² in July across the year — March's 3.77 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.4	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8	3.9	3.9	4.0	4.0	4.0	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.3	4.4	4.4
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.0	Moderate
2	3.1	Moderate
3	3.1	Moderate
4	3.2	Moderate
5	3.2	Moderate
6	3.3	Moderate
7	3.3	Moderate
8	3.4	Moderate
9	3.5	Moderate
10	3.5	Moderate
11	3.6	Moderate
12	3.6	Moderate
13	3.7	Moderate
14	3.7	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.9	Moderate
18	3.9	Moderate
19	4.0	Moderate
20	4.0	Bright
21	4.0	Bright
22	4.1	Bright
23	4.1	Bright
24	4.2	Bright
25	4.2	Bright
26	4.2	Bright
27	4.3	Bright
28	4.3	Bright
29	4.3	Bright
30	4.4	Bright
31	4.4	Bright

Planning a trip in March

Is March a good time to visit Romans-sur-Isère?

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

3.8

Sightseeing

8th-best month of the year

0.0

Beach & pool

9th-best month of the year

March is a weaker month for outdoor sightseeing in Romans-sur-Isère.

What to pack for Romans-sur-Isère in March

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

In March, Romans-sur-Isère sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Romans-sur-Isère in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Romans-sur-Isère peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	6	7	9	7	5	3	2	1
Level	Low	Moderate	Moderate	Moderate	High	Very high	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	5	Moderate
May	6	High
Jun	7	Very high
Jul	9	Very high
Aug	7	High
Sep	5	Moderate
Oct	3	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Romans-sur-Isère in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Romans-sur-Isère is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	16	15	17	17	14	16	12	12	12	13	13	15
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	16	Moderate
Feb	15	Moderate
Mar	17	Moderate
Apr	17	Moderate
May	14	Moderate
Jun	16	Moderate
Jul	12	Good
Aug	12	Good
Sep	12	Moderate
Oct	13	Moderate
Nov	13	Moderate
Dec	15	Moderate

Location & terrain

Where is Romans-sur-Isère?

Romans-sur-Isère sits at 45.0°N, 5.1°E, 170 m above sea level, in France. The nearest listed city is Bourg-lès-Valence, 18 km away.

Topography around Romans-sur-Isère

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Romans-sur-Isère.

Within 3 km, the terrain around Romans-sur-Isère has only modest variations in elevation — a maximum elevation change of 152 m around an average of 171 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,190 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,001 m.

The land around Romans-sur-Isère is covered by artificial surfaces (44%) and cropland (25%) within 3 km, trees (37%), cropland (35%) and grassland (21%) within 16 km, and trees (59%) and grassland (23%) within 80 km.

3 km

152 m

artificial surfaces 44%

16 km

1,190 m

trees 37%

80 km

3,001 m

trees 59%

treesgrasslandcroplandartificial surfaceswater

← February Romans-sur-Isère year-round climate April →Best places to visit in March

March weather nearby: Bourg-lès-Valence 18 km · Valence 18 km · Annonay 38 km · Fontaine 51 km · Échirolles 52 km · Saint-Égrève 52 km · Grenoble 53 km · Voiron 54 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

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 Romans-sur-Isère (45.0496°, 5.066°, elevation 170 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).

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	3
4	11	3
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	13	3
11	13	4
12	13	4
13	13	4
14	13	4
15	13	4
16	14	4
17	14	4
18	14	4
19	14	4
20	14	4
21	14	4
22	14	5
23	14	5
24	14	5
25	14	5
26	14	5
27	14	5
28	14	5
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	43	57
4	44	56
5	45	55
6	47	53
7	48	52
8	49	51
9	50	50
10	51	49
11	52	48
12	53	47
13	53	47
14	53	47
15	54	46
16	54	46
17	53	47
18	52	48
19	52	48
20	51	49
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	48	52
27	47	53
28	47	53
29	47	53
30	48	52
31	48	52

	Rain chance (%)	Snow chance (%)
1	33	6
2	33	6
3	34	6
4	33	6
5	33	5
6	33	5
7	32	5
8	32	4
9	31	4
10	30	4
11	29	4
12	28	3
13	28	3
14	27	3
15	27	3
16	26	3
17	27	3
18	27	2
19	27	3
20	28	3
21	29	3
22	29	3
23	30	3
24	30	3
25	31	2
26	32	2
27	32	2
28	33	2
29	34	2
30	34	2
31	34	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	3
4	11	3
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	13	3
11	13	4
12	13	4
13	13	4
14	13	4
15	13	4
16	14	4
17	14	4
18	14	4
19	14	4
20	14	4
21	14	4
22	14	5
23	14	5
24	14	5
25	14	5
26	14	5
27	14	5
28	14	5
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	43	57
4	44	56
5	45	55
6	47	53
7	48	52
8	49	51
9	50	50
10	51	49
11	52	48
12	53	47
13	53	47
14	53	47
15	54	46
16	54	46
17	53	47
18	52	48
19	52	48
20	51	49
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	48	52
27	47	53
28	47	53
29	47	53
30	48	52
31	48	52

	Rain chance (%)	Snow chance (%)
1	33	6
2	33	6
3	34	6
4	33	6
5	33	5
6	33	5
7	32	5
8	32	4
9	31	4
10	30	4
11	29	4
12	28	3
13	28	3
14	27	3
15	27	3
16	26	3
17	27	3
18	27	2
19	27	3
20	28	3
21	29	3
22	29	3
23	30	3
24	30	3
25	31	2
26	32	2
27	32	2
28	33	2
29	34	2
30	34	2
31	34	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	3
4	11	3
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	13	3
11	13	4
12	13	4
13	13	4
14	13	4
15	13	4
16	14	4
17	14	4
18	14	4
19	14	4
20	14	4
21	14	4
22	14	5
23	14	5
24	14	5
25	14	5
26	14	5
27	14	5
28	14	5
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	43	57
4	44	56
5	45	55
6	47	53
7	48	52
8	49	51
9	50	50
10	51	49
11	52	48
12	53	47
13	53	47
14	53	47
15	54	46
16	54	46
17	53	47
18	52	48
19	52	48
20	51	49
21	50	50
22	50	50
23	49	51
24	49	51
25	48	52
26	48	52
27	47	53
28	47	53
29	47	53
30	48	52
31	48	52

	Rain chance (%)	Snow chance (%)
1	33	6
2	33	6
3	34	6
4	33	6
5	33	5
6	33	5
7	32	5
8	32	4
9	31	4
10	30	4
11	29	4
12	28	3
13	28	3
14	27	3
15	27	3
16	26	3
17	27	3
18	27	2
19	27	3
20	28	3
21	29	3
22	29	3
23	30	3
24	30	3
25	31	2
26	32	2
27	32	2
28	33	2
29	34	2
30	34	2
31	34	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100