🇿🇦 Weather in Cape Town in March
This is what the weather in Cape Town (South Africa) was like in March in 2017–2026.
Key facts at a glance
Avg. daytime high
20.3 °C
19.6 °C – 21.6 °C
Avg. night-time low
17.0 °C
16.3 °C – 17.7 °C
Avg. rain days in period
4.9
16 % of days · ≥ 1.0 mm
Avg. precipitation in period
25.9 mm
5.5 mm – 83.4 mm
Avg. cloud cover
24 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
Sea temperature unavailable for today (daily limit).
Extremes: Highest temperature 28.9 °C (11 Mar 2026) · Lowest temperature 14.3 °C (27 Mar 2023) · Avg. daily peak wind 29 km/h
Weather mix of all days
- 202Sunny
- 53Partly cloudy
- 6Cloudy
- 36Light rain
- 13Rain
Summary
- On average 20.3 °C during the day and 17.0 °C at night.
- On average 4.9 rain days (Rain day = at least 1.0 mm of precipitation) with 25.9 mm of precipitation in total.
- Prevailing: Sunny.
- Warmest year: 2026 (avg. 21.6 °C), coolest: 2020 (avg. 19.6 °C).
- Wettest year: 2023 (83.4 mm), driest: 2020 (5.5 mm).
- Extremes: 28.9 °C on 11 Mar 2026 and 14.3 °C on 27 Mar 2023.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max21.6°Avg. min17.7°- Rain days
- 4 Rain days
- Precipitation
- 9.6 mm
- Avg. cloud cover
- 18 % cloudy
- Sea temperature
- –
Max 28.9 °C · Min 15.8 °C
2025
Avg. max20.5°Avg. min17.1°- Rain days
- 4 Rain days
- Precipitation
- 16.5 mm
- Avg. cloud cover
- 21 % cloudy
- Sea temperature
- –
Max 25.2 °C · Min 15.6 °C
2024
Avg. max20.5°Avg. min17.0°- Rain days
- 2 Rain days
- Precipitation
- 21.7 mm
- Avg. cloud cover
- 23 % cloudy
- Sea temperature
- –
Max 25.0 °C · Min 15.5 °C
2023
Avg. max19.7°Avg. min16.6°- Rain days
- 15 Rain days
- Precipitation
- 83.4 mm
- Avg. cloud cover
- 29 % cloudy
- Sea temperature
- –
Max 23.0 °C · Min 14.3 °C
2022
Avg. max20.2°Avg. min16.7°- Rain days
- 5 Rain days
- Precipitation
- 18.4 mm
- Avg. cloud cover
- 20 % cloudy
- Sea temperature
- –
Max 23.5 °C · Min 14.9 °C
2021
Avg. max20.3°Avg. min17.1°- Rain days
- 5 Rain days
- Precipitation
- 40.8 mm
- Avg. cloud cover
- 33 % cloudy
- Sea temperature
- –
Max 24.5 °C · Min 15.1 °C
2020
Avg. max19.6°Avg. min16.3°- Rain days
- 1 Rain days
- Precipitation
- 5.5 mm
- Avg. cloud cover
- 24 % cloudy
- Sea temperature
- –
Max 25.5 °C · Min 15.0 °C
2019
Avg. max20.1°Avg. min17.0°- Rain days
- 6 Rain days
- Precipitation
- 33.7 mm
- Avg. cloud cover
- 31 % cloudy
- Sea temperature
- –
Max 23.6 °C · Min 15.3 °C
2018
Avg. max19.8°Avg. min16.8°- Rain days
- 5 Rain days
- Precipitation
- 21.1 mm
- Avg. cloud cover
- 27 % cloudy
- Sea temperature
- –
Max 23.2 °C · Min 15.1 °C
2017
Avg. max20.8°Avg. min17.3°- Rain days
- 2 Rain days
- Precipitation
- 8.1 mm
- Avg. cloud cover
- 15 % cloudy
- Sea temperature
- –
Max 24.9 °C · Min 16.1 °C
Frequently asked questions
- How warm is it in Cape Town in March?
- Daytime highs averaged 20.3 °C, night-time lows 17.0 °C. The highest value of the past 10 years was 28.9 °C (11 Mar 2026), the lowest 14.3 °C (27 Mar 2023).
- How often does it rain in Cape Town in March?
- On average there were 4.9 rain days (at least 1 mm) with 25.9 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in March
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)