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Bloemfontein, South Africa climate
Cwa Monsoon-influenced humid subtropical
Bloemfontein has a seasonal mild-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is January with an average daily high near 32°C, while the coldest is July averaging around −3°C at night. Precipitation totals about 658 mm a year and is strongly seasonal — January alone averages 107 mm while July barely receives 7 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsBloemfontein climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 31 | 29 | 25 | 22 | 19 | 19 | 22 | 26 | 28 | 30 | 32 |
| Avg temp (°C) | 23 | 23 | 20 | 16 | 12 | 8 | 8 | 11 | 15 | 19 | 20 | 23 |
| Avg low (°C) | 15 | 14 | 12 | 7 | 2 | −2 | −3 | 0 | 4 | 9 | 11 | 14 |
| Precipitation (mm) | 107 | 101 | 107 | 40 | 16 | 10 | 7 | 8 | 23 | 88 | 74 | 76 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 31 | 29 | 25 | 22 | 19 |
| Avg temp (°C) | 23 | 23 | 20 | 16 | 12 | 8 |
| Avg low (°C) | 15 | 14 | 12 | 7 | 2 | −2 |
| Precipitation (mm) | 107 | 101 | 107 | 40 | 16 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 22 | 26 | 28 | 30 | 32 |
| Avg temp (°C) | 8 | 11 | 15 | 19 | 20 | 23 |
| Avg low (°C) | −3 | 0 | 4 | 9 | 11 | 14 |
| Precipitation (mm) | 7 | 8 | 23 | 88 | 74 | 76 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 8 | 6 | 4 | 2 | 1.0 | 2 | 2 | 5 | 6 | 7 |
| Days with high ≥ 32°C (days) | 14 | 10 | 4 | 0.3 | — | — | — | — | 2 | 6 | 9 | 14 |
| Days with low ≤ 0°C (days) | — | — | — | 1 | 7 | 19 | 21 | 14 | 4 | 0.3 | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 8 | 6 | 4 | 2 |
| Days with high ≥ 32°C (days) | 14 | 10 | 4 | 0.3 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 1 | 7 | 19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1.0 | 2 | 2 | 5 | 6 | 7 |
| Days with high ≥ 32°C (days) | — | — | 2 | 6 | 9 | 14 |
| Days with low ≤ 0°C (days) | 21 | 14 | 4 | 0.3 | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 53 | 49 | 42 | 33 | 28 | 24 | 27 | 35 | 45 | 46 | 51 |
| Clear days (≤ 30% cloud) | 8 | 7 | 9 | 12 | 16 | 19 | 21 | 20 | 16 | 12 | 11 | 9 |
| Partly cloudy days (30–70%) | 13 | 12 | 13 | 12 | 11 | 8 | 8 | 8 | 9 | 11 | 11 | 14 |
| Cloudy days (≥ 70%) | 9 | 9 | 8 | 6 | 4 | 3 | 2 | 3 | 5 | 8 | 8 | 8 |
| Relative humidity (%) | 48 | 51 | 53 | 54 | 52 | 54 | 51 | 43 | 36 | 40 | 42 | 44 |
| Wind speed (m/s) | 2.6 | 2.3 | 2.2 | 2.1 | 2.1 | 2.3 | 2.4 | 2.7 | 2.9 | 3.0 | 3.1 | 2.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 53 | 49 | 42 | 33 | 28 |
| Clear days (≤ 30% cloud) | 8 | 7 | 9 | 12 | 16 | 19 |
| Partly cloudy days (30–70%) | 13 | 12 | 13 | 12 | 11 | 8 |
| Cloudy days (≥ 70%) | 9 | 9 | 8 | 6 | 4 | 3 |
| Relative humidity (%) | 48 | 51 | 53 | 54 | 52 | 54 |
| Wind speed (m/s) | 2.6 | 2.3 | 2.2 | 2.1 | 2.1 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 24 | 27 | 35 | 45 | 46 | 51 |
| Clear days (≤ 30% cloud) | 21 | 20 | 16 | 12 | 11 | 9 |
| Partly cloudy days (30–70%) | 8 | 8 | 9 | 11 | 11 | 14 |
| Cloudy days (≥ 70%) | 2 | 3 | 5 | 8 | 8 | 8 |
| Relative humidity (%) | 51 | 43 | 36 | 40 | 42 | 44 |
| Wind speed (m/s) | 2.4 | 2.7 | 2.9 | 3.0 | 3.1 | 2.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Bloemfontein Airpor, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.