Saint Helier weather in March

In March, Saint Helier sees average daytime highs of 9°C and overnight lows near 8°C, with 69 mm of precipitation across 12.4 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 22% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Saint Helier's 7th-clearest and 6th-windiest month. For the whole year in context, see Saint Helier's year-round climate.

Daytime high: 9°; 10th warmest
Overnight low: 8°; 3rd coldest
Precipitation: 69 mm; 12.4 wet days
Daylight: 11 h 30 min; 6:32 AM – 6:05 PM
Cloud cover: 66%; 7th clearest
Wind: 26 km/h; 6th windiest
Solar energy: 3.17 kWh/m²
Travel score: 1.9; out of 10

Saint Helier is one of the twelve parishes and capital of Jersey in the Channel Islands.

Density: 2,642/km²; people per km²

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

← February Saint Helier 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

Day-to-day highs hold fairly steady near 9°C through the month.

A typical March day in Saint Helier reaches about 9°C in the afternoon and slips back to 8°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 11°C. Set against its neighbours, March runs about 1°C warmer than February and about 2°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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Avg low (°C)	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8

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

Saint Helier weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	9° / 7°	110	15.8	8.5	1.5
Feb	9° / 7°	81	12.9	9.8	1.4
Mar	9° / 8°	69	12.4	11.6	1.9
Apr	11° / 9°	57	10.5	13.4	2.7
May	13° / 11°	53	9.4	15	3.8
Jun	16° / 14°	50	8.7	15.9	5.0
Jul	18° / 16°	48	9.1	15.6	6.0
Aug	18° / 17°	63	9.8	14.2	6.1
Sep	17° / 16°	77	11	12.4	5.5
Oct	15° / 13°	122	15.5	10.5	4.0
Nov	12° / 10°	132	17.6	8.9	2.7
Dec	10° / 8°	138	16.7	8.1	1.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

	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 (%)	33	32	33	34	33	34	34	34	34	34	34	34	35	35	34	35	35	36	36	37	38	38	40	40	41	41	42	43	44	45	46
Cloudier (%)	67	68	67	66	67	66	66	66	66	66	66	66	65	65	66	65	65	64	64	63	62	62	60	60	59	59	58	57	56	55	54

	Clearer (%)	Cloudier (%)
1	33	67
2	32	68
3	33	67
4	34	66
5	33	67
6	34	66
7	34	66
8	34	66
9	34	66
10	34	66
11	34	66
12	34	66
13	35	65
14	35	65
15	34	66
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	41	59
26	41	59
27	42	58
28	43	57
29	44	56
30	45	55
31	46	54

Chance of precipitation in March

Any precipitation

Saint Helier gets around 69 mm of rain and snow over 12.4 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 39% and peaks near 48% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

	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 (%)	48	48	48	47	46	45	44	42	41	40	38	37	36	36	35	35	35	35	35	35	36	36	37	37	38	38	39	39	39	39	39

	Rain chance (%)
1	48
2	48
3	48
4	47
5	46
6	45
7	44
8	42
9	41
10	40
11	38
12	37
13	36
14	36
15	35
16	35
17	35
18	35
19	35
20	35
21	36
22	36
23	37
24	37
25	38
26	38
27	39
28	39
29	39
30	39
31	39

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 26 km/h in March.

Across March, daily wind ranges from about 25 km/h on the calmest days to 28 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)	28	28	28	28	28	28	27	27	27	27	26	26	26	26	26	26	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

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

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 36 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over March. Sunrise moves from 7:03 AM to 5:59 AM, and sunset from 5:41 PM to 6:28 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)	10.6	10.7	10.8	10.8	10.9	10.9	11.0	11.1	11.1	11.2	11.2	11.3	11.4	11.4	11.5	11.5	11.6	11.7	11.7	11.8	11.9	11.9	12.0	12.0	12.1	12.2	12.2	12.3	12.4	12.4	12.5
Sunrise (AM)	7:03	7:01	6:59	6:57	6:55	6:53	6:51	6:49	6:46	6:44	6:42	6:40	6:38	6:36	6:34	6:32	6:29	6:27	6:25	6:23	6:21	6:19	6:16	6:14	6:12	6:10	6:08	6:05	6:03	6:01	5:59
Sunset (PM)	5:41	5:42	5:44	5:45	5:47	5:49	5:50	5:52	5:53	5:55	5:57	5:58	6:00	6:01	6:03	6:05	6:06	6:08	6:09	6:11	6:12	6:14	6:15	6:17	6:19	6:20	6:22	6:23	6:25	6:26	6:28

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	7:03	5:41
2	10.7	7:01	5:42
3	10.8	6:59	5:44
4	10.8	6:57	5:45
5	10.9	6:55	5:47
6	10.9	6:53	5:49
7	11.0	6:51	5:50
8	11.1	6:49	5:52
9	11.1	6:46	5:53
10	11.2	6:44	5:55
11	11.2	6:42	5:57
12	11.3	6:40	5:58
13	11.4	6:38	6:00
14	11.4	6:36	6:01
15	11.5	6:34	6:03
16	11.5	6:32	6:05
17	11.6	6:29	6:06
18	11.7	6:27	6:08
19	11.7	6:25	6:09
20	11.8	6:23	6:11
21	11.9	6:21	6:12
22	11.9	6:19	6:14
23	12.0	6:16	6:15
24	12.0	6:14	6:17
25	12.1	6:12	6:19
26	12.2	6:10	6:20
27	12.2	6:08	6:22
28	12.3	6:05	6:23
29	12.4	6:03	6:25
30	12.4	6:01	6:26
31	12.5	5:59	6:28

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.17 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 6.27 kWh/m² in June across the year — March's 3.17 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)	2.4	2.5	2.5	2.6	2.6	2.7	2.7	2.8	2.8	2.9	2.9	3.0	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.4	3.4	3.5	3.5	3.6	3.7	3.7	3.8	3.9	3.9	4.0	4.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright

	Solar energy (kWh/m²)	Level
1	2.4	Moderate
2	2.5	Moderate
3	2.5	Moderate
4	2.6	Moderate
5	2.6	Moderate
6	2.7	Moderate
7	2.7	Moderate
8	2.8	Moderate
9	2.8	Moderate
10	2.9	Moderate
11	2.9	Moderate
12	3.0	Moderate
13	3.0	Moderate
14	3.1	Moderate
15	3.1	Moderate
16	3.2	Moderate
17	3.2	Moderate
18	3.3	Moderate
19	3.3	Moderate
20	3.4	Moderate
21	3.4	Moderate
22	3.5	Moderate
23	3.5	Moderate
24	3.6	Moderate
25	3.7	Moderate
26	3.7	Moderate
27	3.8	Moderate
28	3.9	Moderate
29	3.9	Moderate
30	4.0	Moderate
31	4.0	Bright

Planning a trip in March

Hazard calendar for Saint Helier

In seasonPeak

In March, Saint Helier sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Saint Helier's rainy season runs August–March, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is March a good time to visit Saint Helier?

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

1.9

Sightseeing

9th-best month of the year

0.0

Beach & pool

8th-best month of the year

March is a weaker month for outdoor sightseeing in Saint Helier.

What to pack for Saint Helier in March

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

In March, Saint Helier sees daytime highs around 9°C and nights near 8°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Saint Helier in March

The nearest coast averages about 9°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	10	9	9	10	12	15	17	18	18	16	14	11
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	10	Bracing
Feb	9	Bracing
Mar	9	Bracing
Apr	10	Bracing
May	12	Bracing
Jun	15	Bracing
Jul	17	Cool
Aug	18	Cool
Sep	18	Cool
Oct	16	Cool
Nov	14	Bracing
Dec	11	Bracing

UV index in Saint Helier in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint Helier peaks around August 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

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

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

Location & terrain

Where is Saint Helier?

Saint Helier sits at 49.2°N, 2.1°W, 11 m above sea level, in Jersey. The nearest listed city is Saint Peter Port, 43 km away.

Topography around Saint Helier

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

Within 3 km, the terrain around Saint Helier has only modest variations in elevation — a maximum elevation change of 100 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, significant variations in elevation — a maximum elevation change of 290 m.

The land around Saint Helier is covered by water (32%), trees (22%) and artificial surfaces (21%) within 3 km, water (85%) within 16 km, and water (68%) within 80 km.

3 km

100 m

water 32%

16 km

137 m

water 85%

80 km

290 m

water 68%

treesgrasslandcroplandartificial surfacesbare terrainwater

← February Saint Helier year-round climate April →Best places to visit in March

March weather nearby: Saint Peter Port 43 km · Octeville 59 km · Saint-Malo 61 km · Équeurdreville-Hainneville 61 km · Cherbourg 61 km · Tourlaville 63 km · Saint-Lô 74 km · Saint-Brieuc 89 km

Jersey travel facts

Power plugs: Type G; 230 V · 50 Hz
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 Saint Helier (49.188°, -2.1049°, elevation 11 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).

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

	Clearer (%)	Cloudier (%)
1	33	67
2	32	68
3	33	67
4	34	66
5	33	67
6	34	66
7	34	66
8	34	66
9	34	66
10	34	66
11	34	66
12	34	66
13	35	65
14	35	65
15	34	66
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	41	59
26	41	59
27	42	58
28	43	57
29	44	56
30	45	55
31	46	54

	Rain chance (%)
1	48
2	48
3	48
4	47
5	46
6	45
7	44
8	42
9	41
10	40
11	38
12	37
13	36
14	36
15	35
16	35
17	35
18	35
19	35
20	35
21	36
22	36
23	37
24	37
25	38
26	38
27	39
28	39
29	39
30	39
31	39

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

	Clearer (%)	Cloudier (%)
1	33	67
2	32	68
3	33	67
4	34	66
5	33	67
6	34	66
7	34	66
8	34	66
9	34	66
10	34	66
11	34	66
12	34	66
13	35	65
14	35	65
15	34	66
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	41	59
26	41	59
27	42	58
28	43	57
29	44	56
30	45	55
31	46	54

	Rain chance (%)
1	48
2	48
3	48
4	47
5	46
6	45
7	44
8	42
9	41
10	40
11	38
12	37
13	36
14	36
15	35
16	35
17	35
18	35
19	35
20	35
21	36
22	36
23	37
24	37
25	38
26	38
27	39
28	39
29	39
30	39
31	39

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

	Clearer (%)	Cloudier (%)
1	33	67
2	32	68
3	33	67
4	34	66
5	33	67
6	34	66
7	34	66
8	34	66
9	34	66
10	34	66
11	34	66
12	34	66
13	35	65
14	35	65
15	34	66
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	41	59
26	41	59
27	42	58
28	43	57
29	44	56
30	45	55
31	46	54

	Rain chance (%)
1	48
2	48
3	48
4	47
5	46
6	45
7	44
8	42
9	41
10	40
11	38
12	37
13	36
14	36
15	35
16	35
17	35
18	35
19	35
20	35
21	36
22	36
23	37
24	37
25	38
26	38
27	39
28	39
29	39
30	39
31	39

	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