Grabouw in Fall
In fall (March, April and May), Grabouw sees average daytime highs around 20°C and overnight lows near 15°C, with 140 mm of rain over about 21 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 23°C in early March to 17°C by late May. The sky is clear or mostly clear about 50% of the time across fall, and the air most often feels dry.
Fall is Grabouw's 2nd-best season to visit on our travel score. For the whole year in context, see Grabouw's year-round climate.
- Avg daytime high
- 20°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 140 mm
- 21 wet days
- Avg wind
- 14 km/h
- Travel score
- 7.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Grabouw in Fall
Over the season highs ease from about 23°C in early March to 17°C by late May.
A typical fall day in Grabouw reaches about 20°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
Grabouw weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 17° | 25 | 5 | 14 | 8.2 |
| Feb | 23° / 18° | 23 | 5.1 | 13.3 | 8.2 |
| Mar | 22° / 17° | 26 | 5.5 | 12.3 | 7.8 |
| Apr | 20° / 14° | 49 | 6.4 | 11.2 | 7.1 |
| May | 18° / 13° | 64 | 8.6 | 10.2 | 6.3 |
| Jun | 16° / 11° | 102 | 10.9 | 9.8 | 5.1 |
| Jul | 16° / 10° | 99 | 9.8 | 10 | 5.0 |
| Aug | 16° / 10° | 86 | 11.1 | 10.7 | 4.9 |
| Sep | 17° / 11° | 56 | 8.6 | 11.8 | 5.6 |
| Oct | 18° / 13° | 46 | 7.1 | 12.9 | 6.6 |
| Nov | 20° / 14° | 43 | 6.6 | 13.8 | 7.0 |
| Dec | 22° / 16° | 26 | 5.4 | 14.2 | 7.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 50% of the time across fall.
Chance of precipitation in Fall
Grabouw gets around 140 mm of rain over 21 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 14 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early March to 9 h 54 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.2 kWh/m².
Hazard calendar for Grabouw
In fall, Grabouw overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Grabouw's rainy season runs April–September, when most of the year's rain falls.
Is fall a good time to visit Grabouw?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Grabouw for general sightseeing.
What to pack for Grabouw in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Grabouw sees daytime highs around 20°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 21 days see rain.
Sea temperature near Grabouw in Fall
The nearest coast averages about 16°C across fall — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Cool | Bracing | Bracing | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 17 | Cool |
| Apr | 16 | Cool |
| May | 16 | Cool |
| Jun | 15 | Cool |
| Jul | 15 | Bracing |
| Aug | 15 | Bracing |
| Sep | 15 | Cool |
| Oct | 16 | Cool |
| Nov | 17 | Cool |
| Dec | 18 | Cool |
UV index in Grabouw in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 10 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 12 |
| Level | Extreme | Very high | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 10 | Very high |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Grabouw in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 11 | 19 | 21 | 27 | 28 | 25 | 22 | 18 | 17 | 12 | 11 |
| Level | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 11 | Good |
| Mar | 19 | Moderate |
| Apr | 21 | Moderate |
| May | 27 | Moderate |
| Jun | 28 | Moderate |
| Jul | 25 | Moderate |
| Aug | 22 | Moderate |
| Sep | 18 | Moderate |
| Oct | 17 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
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.
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
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.