Spa weather in March

In March, Spa sees average daytime highs of 9°C and overnight lows near 2°C, with 87 mm of precipitation across 15.1 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 11°C by the end. The sky is clear or mostly clear about 18% 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 Spa's 7th-clearest and 6th-windiest month. For the whole year in context, see Spa's year-round climate.

Daytime high: 9°; 8th warmest
Overnight low: 2°; 4th coldest
Precipitation: 87 mm; 15.1 wet days
Daylight: 11 h 30 min; 7:00 AM – 6:32 PM
Cloud cover: 71%; 7th clearest
Wind: 15 km/h; 6th windiest
Solar energy: 2.83 kWh/m²
Travel score: 1.5; out of 10

Spa is town in Spa municipality, Belgium.

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

← February Spa 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 7°C in the first days to 11°C by the end.

A typical March day in Spa reaches about 9°C in the afternoon and slips back to 2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 14°C. Set against its neighbours, March runs about 4°C warmer than February and about 4°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)	6	7	7	7	7	7	7	8	8	8	8	8	8	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	11	11	11
Avg low (°C)	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3

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

How March really feels in Spa

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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.

Spa weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	4° / 0°	98	14.9	4.5	8.3	0.0
Feb	5° / 0°	87	13.7	5.4	9.7	0.1
Mar	9° / 2°	87	15.1	3.6	11.5	1.5
Apr	13° / 5°	63	12.6	0.6	13.5	3.3
May	17° / 8°	74	14	0	15.2	4.7
Jun	20° / 11°	84	13.7	0	16.1	5.5
Jul	22° / 13°	89	14.6	0	15.8	5.9
Aug	21° / 13°	89	13.6	0	14.3	5.9
Sep	18° / 10°	74	11.9	0	12.4	5.2
Oct	13° / 7°	76	13.2	0	10.4	3.4
Nov	8° / 4°	82	14.4	1.7	8.7	1.2
Dec	5° / 1°	103	15.8	4.8	7.9	0.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 10% of March, with mostly cloudy or overcast conditions the remaining 72%. 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 (%)	21	21	21	22	23	24	24	25	26	27	26	27	27	28	28	30	30	29	29	30	31	31	32	32	32	33	33	34	34	35	35
Cloudier (%)	79	79	79	78	77	76	76	75	74	73	74	73	73	72	72	70	70	71	71	70	69	69	68	68	68	67	67	66	66	65	65

	Clearer (%)	Cloudier (%)
1	21	79
2	21	79
3	21	79
4	22	78
5	23	77
6	24	76
7	24	76
8	25	75
9	26	74
10	27	73
11	26	74
12	27	73
13	27	73
14	28	72
15	28	72
16	30	70
17	30	70
18	29	71
19	29	71
20	30	70
21	31	69
22	31	69
23	32	68
24	32	68
25	32	68
26	33	67
27	33	67
28	34	66
29	34	66
30	35	65
31	35	65

Chance of precipitation in March

Any precipitationSnow

Spa gets around 87 mm of rain and snow over 15.1 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 48% and peaks near 55% on the wettest days, and about 4 days bring 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 (%)	54	55	54	54	54	53	52	51	50	49	48	47	47	46	46	45	45	45	45	45	45	46	46	46	47	47	47	47	47	46	46
Snow chance (%)	18	18	18	17	17	16	15	15	14	13	13	12	12	11	11	10	10	9	9	9	9	9	8	8	8	8	7	7	6	5	5

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

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 15 km/h in March.

Across March, daily wind ranges from about 14 km/h on the calmest days to 17 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)	17	17	17	17	17	17	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

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 7:33 AM to 6:26 AM, and sunset from 6:07 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)	10.6	10.6	10.7	10.8	10.8	10.9	10.9	11.0	11.1	11.1	11.2	11.3	11.3	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)	7:33	7:31	7:29	7:27	7:24	7:22	7:20	7:18	7:16	7:14	7:11	7:09	7:07	7:05	7:03	7:00	6:58	6:56	6:54	6:51	6:49	6:47	6:45	6:42	6:40	6:38	6:35	6:33	6:31	6:29	6:26
Sunset (PM)	6:07	6:08	6:10	6:12	6:14	6:15	6:17	6:19	6:20	6:22	6:24	6:25	6:27	6:29	6:30	6:32	6:34	6:35	6:37	6:39	6:40	6:42	6:44	6:45	6:47	6:48	6:50	6:52	6:53	6:55	6:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	7:33	6:07
2	10.6	7:31	6:08
3	10.7	7:29	6:10
4	10.8	7:27	6:12
5	10.8	7:24	6:14
6	10.9	7:22	6:15
7	10.9	7:20	6:17
8	11.0	7:18	6:19
9	11.1	7:16	6:20
10	11.1	7:14	6:22
11	11.2	7:11	6:24
12	11.3	7:09	6:25
13	11.3	7:07	6:27
14	11.4	7:05	6:29
15	11.5	7:03	6:30
16	11.5	7:00	6:32
17	11.6	6:58	6:34
18	11.7	6:56	6:35
19	11.7	6:54	6:37
20	11.8	6:51	6:39
21	11.9	6:49	6:40
22	11.9	6:47	6:42
23	12.0	6:45	6:44
24	12.0	6:42	6:45
25	12.1	6:40	6:47
26	12.2	6:38	6:48
27	12.2	6:35	6:50
28	12.3	6:33	6:52
29	12.4	6:31	6:53
30	12.4	6:29	6:55
31	12.5	6:26	6:57

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 2.83 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.32 kWh/m² in June across the year — March's 2.83 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)	2.1	2.1	2.2	2.2	2.3	2.3	2.4	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	3.3	3.3	3.4	3.4	3.5	3.5	3.6	3.6
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	Moderate

	Solar energy (kWh/m²)	Level
1	2.1	Moderate
2	2.1	Moderate
3	2.2	Moderate
4	2.2	Moderate
5	2.3	Moderate
6	2.3	Moderate
7	2.4	Moderate
8	2.4	Moderate
9	2.5	Moderate
10	2.5	Moderate
11	2.6	Moderate
12	2.6	Moderate
13	2.7	Moderate
14	2.7	Moderate
15	2.8	Moderate
16	2.8	Moderate
17	2.9	Moderate
18	2.9	Moderate
19	3.0	Moderate
20	3.0	Moderate
21	3.1	Moderate
22	3.1	Moderate
23	3.2	Moderate
24	3.3	Moderate
25	3.3	Moderate
26	3.4	Moderate
27	3.4	Moderate
28	3.5	Moderate
29	3.5	Moderate
30	3.6	Moderate
31	3.6	Moderate

Planning a trip in March

Is March a good time to visit Spa?

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

1.5

Sightseeing

8th-best month of the year

0.0

Beach & pool

8th-best month of the year

March is a weaker month for outdoor sightseeing in Spa.

What to pack for Spa in March

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

In March, Spa sees daytime highs around 9°C and nights near 2°C. Pack a warm layer and rain gear. About 15 days see rain.

a warm layerrain gear

UV index in Spa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Spa peaks around July 16 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 7 months of the year.

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

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

Air quality in Spa 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 Spa is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	14	13	17	18	15	14	13	14	13	12	11	11
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	13	Moderate
Mar	17	Moderate
Apr	18	Moderate
May	15	Moderate
Jun	14	Moderate
Jul	13	Moderate
Aug	14	Moderate
Sep	13	Moderate
Oct	12	Good
Nov	11	Good
Dec	11	Good

Location & terrain

Where is Spa?

Spa sits at 50.5°N, 5.9°E, 0 m above sea level, in Belgium. The nearest listed city is Heusy, 10 km away.

Topography around Spa

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

Within 3 km, the terrain around Spa has significant variations in elevation — a maximum elevation change of 353 m around an average of 369 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 615 m; within 80 km, large variations in elevation — a maximum elevation change of 1,001 m.

The land around Spa is covered by trees (79%) within 3 km, trees (61%) and grassland (33%) within 16 km, and trees (43%), grassland (26%) and cropland (24%) within 80 km.

3 km

353 m

trees 79%

16 km

615 m

trees 61%

80 km

1,001 m

trees 43%

treesgrasslandcroplandartificial surfaceswater

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

March weather nearby: Heusy 10 km · Verviers 12 km · Soumagne 17 km · Herve 18 km · Fléron 20 km · Chaudfontaine 20 km · Eupen 20 km · Grivegnée 24 km

Belgium travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / E; 230 V · 50 Hz
Prices: ≈ 81% of US; price level, 2025
GDP per capita: $60,750; 2025
Happiness: 6.9 / 10; World Happiness, 2025
Safe drinking water: 100%; of population, 2024
Homicide rate: 1.1; per 100k, 2021
Road deaths: 5.8; per 100k/yr, 2019
Income group: High; World Bank
English: Very high; EF EPI 608
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 Spa (50.4838°, 5.8667°, elevation 0 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	6	1
2	7	1
3	7	1
4	7	1
5	7	1
6	7	1
7	7	1
8	8	2
9	8	2
10	8	2
11	8	2
12	8	2
13	8	2
14	9	2
15	9	2
16	9	2
17	9	2
18	9	2
19	9	2
20	9	2
21	9	3
22	10	3
23	10	3
24	10	3
25	10	3
26	10	3
27	10	3
28	10	3
29	11	3
30	11	3
31	11	3

	Clearer (%)	Cloudier (%)
1	21	79
2	21	79
3	21	79
4	22	78
5	23	77
6	24	76
7	24	76
8	25	75
9	26	74
10	27	73
11	26	74
12	27	73
13	27	73
14	28	72
15	28	72
16	30	70
17	30	70
18	29	71
19	29	71
20	30	70
21	31	69
22	31	69
23	32	68
24	32	68
25	32	68
26	33	67
27	33	67
28	34	66
29	34	66
30	35	65
31	35	65

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

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

	Clearer (%)	Cloudier (%)
1	21	79
2	21	79
3	21	79
4	22	78
5	23	77
6	24	76
7	24	76
8	25	75
9	26	74
10	27	73
11	26	74
12	27	73
13	27	73
14	28	72
15	28	72
16	30	70
17	30	70
18	29	71
19	29	71
20	30	70
21	31	69
22	31	69
23	32	68
24	32	68
25	32	68
26	33	67
27	33	67
28	34	66
29	34	66
30	35	65
31	35	65

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

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

	Clearer (%)	Cloudier (%)
1	21	79
2	21	79
3	21	79
4	22	78
5	23	77
6	24	76
7	24	76
8	25	75
9	26	74
10	27	73
11	26	74
12	27	73
13	27	73
14	28	72
15	28	72
16	30	70
17	30	70
18	29	71
19	29	71
20	30	70
21	31	69
22	31	69
23	32	68
24	32	68
25	32	68
26	33	67
27	33	67
28	34	66
29	34	66
30	35	65
31	35	65

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

	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