Port St Johns weather by month

Check out Port St Johns weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Port St Johns (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
25°C maximum daytime temperature in January in Port St Johns25
25°C maximum daytime temperature in February in Port St Johns25
25°C maximum daytime temperature in March in Port St Johns25
24°C maximum daytime temperature in April in Port St Johns24
23°C maximum daytime temperature in May in Port St Johns23
22°C maximum daytime temperature in June in Port St Johns22
21°C maximum daytime temperature in July in Port St Johns21
21°C maximum daytime temperature in August in Port St Johns21
21°C maximum daytime temperature in September in Port St Johns21
22°C maximum daytime temperature in October in Port St Johns22
23°C maximum daytime temperature in November in Port St Johns23
24°C maximum daytime temperature in December in Port St Johns24
Min temperature (night-time)
19°C minimum night-time temperature in January in Port St Johns19
19°C minimum night-time temperature in February in Port St Johns19
19°C minimum night-time temperature in March in Port St Johns19
17°C minimum night-time temperature in April in Port St Johns17
15°C minimum night-time temperature in May in Port St Johns15
13°C minimum night-time temperature in June in Port St Johns13
12°C minimum night-time temperature in July in Port St Johns12
13°C minimum night-time temperature in August in Port St Johns13
14°C minimum night-time temperature in September in Port St Johns14
15°C minimum night-time temperature in October in Port St Johns15
17°C minimum night-time temperature in November in Port St Johns17
18°C minimum night-time temperature in December in Port St Johns18
Heat & Humidity
Low heat & humidity in January in Port St JohnsL
Low heat & humidity in February in Port St JohnsL
Low heat & humidity in March in Port St JohnsL
No heat & humidity in April in Port St Johns0
No heat & humidity in May in Port St Johns0
No heat & humidity in June in Port St Johns0
No heat & humidity in July in Port St Johns0
No heat & humidity in August in Port St Johns0
No heat & humidity in September in Port St Johns0
No heat & humidity in October in Port St Johns0
No heat & humidity in November in Port St Johns0
Low heat & humidity in December in Port St JohnsL
Sea temperature
25°C sea temperature in January in Port St Johns25
26°C sea temperature in February in Port St Johns26
26°C sea temperature in March in Port St Johns26
25°C sea temperature in April in Port St Johns25
23°C sea temperature in May in Port St Johns23
22°C sea temperature in June in Port St Johns22
21°C sea temperature in July in Port St Johns21
21°C sea temperature in August in Port St Johns21
21°C sea temperature in September in Port St Johns21
21°C sea temperature in October in Port St Johns21
23°C sea temperature in November in Port St Johns23
24°C sea temperature in December in Port St Johns24

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Port St Johns

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
14 hours of daylight per day in January in Port St Johns14
13 hours of daylight per day in February in Port St Johns13
12 hours of daylight per day in March in Port St Johns12
11 hours of daylight per day in April in Port St Johns11
11 hours of daylight per day in May in Port St Johns11
10 hours of daylight per day in June in Port St Johns10
10 hours of daylight per day in July in Port St Johns10
11 hours of daylight per day in August in Port St Johns11
12 hours of daylight per day in September in Port St Johns12
13 hours of daylight per day in October in Port St Johns13
14 hours of daylight per day in November in Port St Johns14
14 hours of daylight per day in December in Port St Johns14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Port St Johns11
UV (maximum) index 11+ (Extreme) in February in Port St Johns11
UV (maximum) index 10 (Very High) in March in Port St Johns10
UV (maximum) index 6 (High) in April in Port St Johns6
UV (maximum) index 4 (Moderate) in May in Port St Johns4
UV (maximum) index 3 (Moderate) in June in Port St Johns3
UV (maximum) index 3 (Moderate) in July in Port St Johns3
UV (maximum) index 5 (Moderate) in August in Port St Johns5
UV (maximum) index 7 (High) in September in Port St Johns7
UV (maximum) index 9 (Very High) in October in Port St Johns9
UV (maximum) index 11 (Extreme) in November in Port St Johns11
UV (maximum) index 11+ (Extreme) in December in Port St Johns11

Rainfall in Port St Johns

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
15 days with some rainfall in January in Port St Johns15
13 days with some rainfall in February in Port St Johns13
13 days with some rainfall in March in Port St Johns13
9 days with some rainfall in April in Port St Johns9
6 days with some rainfall in May in Port St Johns6
4 days with some rainfall in June in Port St Johns4
5 days with some rainfall in July in Port St Johns5
6 days with some rainfall in August in Port St Johns6
10 days with some rainfall in September in Port St Johns10
14 days with some rainfall in October in Port St Johns14
15 days with some rainfall in November in Port St Johns15
14 days with some rainfall in December in Port St Johns14
Average monthly rainfall (mm)
113 mm monthly rainfall in January in Port St Johns113
116 mm monthly rainfall in February in Port St Johns116
128 mm monthly rainfall in March in Port St Johns128
84 mm monthly rainfall in April in Port St Johns84
58 mm monthly rainfall in May in Port St Johns58
34 mm monthly rainfall in June in Port St Johns34
41 mm monthly rainfall in July in Port St Johns41
49 mm monthly rainfall in August in Port St Johns49
77 mm monthly rainfall in September in Port St Johns77
103 mm monthly rainfall in October in Port St Johns103
122 mm monthly rainfall in November in Port St Johns122
104 mm monthly rainfall in December in Port St Johns104

More about Port St Johns

Port St Johns by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for South Africa (Port St Johns) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Port St Johns?

Port St Johns has a temperate climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about South Africa

Compare Port St Johns with the USA

Below the Port St Johns chart shows average maximum daytime temperature for Port St Johns, South Africa and the USA (Washington).

Maximum daytime temperature (°C)

Port St Johns, South Africa
USA (Washington)
25
5
25
7
25
13
24
19
23
24
22
29
21
31
21
30
21
26
22
20
23
14
24
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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