Grabouw weather in March

In March, Grabouw sees average daytime highs of 22°C and overnight lows near 17°C, with 26 mm of rain across 5.5 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 61% of the time in March, and the air most often feels comfortable.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Grabouw's 3rd-clearest and 7th-windiest month. For the whole year in context, see Grabouw's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
26 mm
5.5 wet days
Daylight
12 h 18 min
6:46 AM – 7:02 PM
Cloud cover
36%
3rd clearest
Wind
15 km/h
7th windiest
Solar energy
5.62 kWh/m²
Travel score
7.8
out of 10

Grabouw is town in the Western Cape, South Africa.

Density
5,638/km²
people per km²
Founded
1856

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical March day in Grabouw reaches about 22°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92317
102317
112217
122217
132217
142217
152217
162217
172217
182217
192216
202216
212216
222216
232216
242216
252216
262216
272116
282116
292116
302116
312116

Grabouw weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 17°255148.2
Feb23° / 18°235.113.38.2
Mar22° / 17°265.512.37.8
Apr20° / 14°496.411.27.1
May18° / 13°648.610.26.3
Jun16° / 11°10210.99.85.1
Jul16° / 10°999.8105.0
Aug16° / 10°8611.110.74.9
Sep17° / 11°568.611.85.6
Oct18° / 13°467.112.96.6
Nov20° / 14°436.613.87.0
Dec22° / 16°265.414.27.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% 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 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27822
37822
47822
57723
67723
77624
87525
97525
107525
117525
127525
137624
147525
157525
167624
177624
187624
197525
207525
217525
227525
237525
247525
257426
267426
277426
287327
297228
307228
317228

Chance of precipitation in March

Any precipitation

Grabouw gets around 26 mm of rain over 5.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 17% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
317
417
517
617
717
817
917
1017
1117
1217
1317
1417
1516
1616
1716
1816
1916
2017
2117
2217
2317
2418
2518
2618
2719
2819
2920
3020
3120

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the comfortable band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11335483
21436473
31436473
41437463
51538452
61539442
71639432
81640422
91740411
101741411
111742401
121842391
131843381
141944371
151945350
161946340
172047330
182048320
192049310
202149300
212150290
222250280
232252260
242352250
252452240
262453230
272553220
282653210
292654200
302754190
312854180

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 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 6:33 AM to 6:57 AM, and sunset from 7:21 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:337:21
212.86:347:20
312.76:357:19
412.76:367:17
512.76:377:16
612.66:377:15
712.66:387:14
812.66:397:12
912.56:407:11
1012.56:417:10
1112.46:427:08
1212.46:427:07
1312.46:437:06
1412.36:447:04
1512.36:457:03
1612.36:467:02
1712.26:467:00
1812.26:476:59
1912.26:486:57
2012.16:496:56
2112.16:506:55
2212.06:506:53
2312.06:516:52
2412.06:526:50
2511.96:536:49
2611.96:546:48
2711.96:546:46
2811.86:556:45
2911.86:566:43
3011.86:576:42
3111.76:576:40

Solar energy in March

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 7.92 kWh/m² in December across the year — March's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.0Intense
96.0Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
304.9Bright
314.8Bright
Planning a trip in March

Hazard calendar for Grabouw

In seasonPeak

None of Grabouw's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Grabouw's rainy season runs April–September, 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 Grabouw?

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

7.8
Sightseeing
3rd-best month of the year
5.5
Beach & pool
3rd-best month of the year

March is one of the better times to visit Grabouw for general sightseeing.

What to pack for Grabouw in March

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

In March, Grabouw sees daytime highs around 22°C and nights near 17°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Grabouw in March

The nearest coast averages about 17°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in January at about 19°C and coldest in July near 15°C.

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

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar17Cool
Apr16Cool
May16Cool
Jun15Cool
Jul15Bracing
Aug15Bracing
Sep15Cool
Oct16Cool
Nov17Cool
Dec18Cool

UV index in Grabouw in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grabouw peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 13UV 13Jun 21UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov12Extreme
Dec12Extreme

Air quality in Grabouw 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 Grabouw is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodJun 1228 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb11Good
Mar19Moderate
Apr21Moderate
May27Moderate
Jun28Moderate
Jul25Moderate
Aug22Moderate
Sep18Moderate
Oct17Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Grabouw?

Grabouw sits at 34.2°S, 19.0°E, 332 m above sea level, in South Africa. The nearest listed city is Somerset West, 19 km away.

Topography around Grabouw

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

Within 3 km, the terrain around Grabouw has only modest variations in elevation — a maximum elevation change of 217 m around an average of 328 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,583 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,997 m.

The land around Grabouw is covered by trees (40%) and grassland (26%) within 3 km, grassland (61%) and trees (21%) within 16 km, and water (35%) and grassland (27%) within 80 km.

3 km
217 m
16 km
1,583 m
80 km
1,997 m
treesshrubsgrasslandcroplandartificial surfaceswater
March weather nearby: Somerset West 19 km · Stellenbosch 28 km · Franschhoek 28 km · Le Roux 30 km · Hermanus 36 km · Kuils River 37 km · Caledon 39 km · Kraaifontein 44 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 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 Grabouw (-34.1515°, 19.0151°, elevation 332 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. 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).