Jeffreys Bay climate — normals and trends
Jeffreys Bay (South Africa) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 511 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (20.9 °C on average) and the coldest is July (14.4 °C). Rainfall peaks in October.
Jeffreys Bay averages 0 frost days, 4 hot days (≥ 30 °C) and 93 rainy days per year.
Jeffreys Bay has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.4 °C (on 23 March 1969) and the coldest 5.3 °C (on 13 June 1944).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Jeffreys BayEastern Cape
- coords
- -34.05°, 24.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
21.1°C
Average daily low
14.7°C
Annual rainfall
511mm
Sunshine / day
10.4h
Mean relative humidity
75%
Average peak wind
23.7km/h
Seasonal range
6.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
93 d/yr
Annual snowfall
0.0 cm
Average feels-like high
20.5 °C
Average feels-like low
13.3 °C
Average peak gust
40.8 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.48 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
36.4 °C
23 March 1969
Coldest day
5.3 °C
13 June 1944
Wettest day
91 mm
5 March 2007
Windiest day
63.8 km/h
26 February 1944
Strongest gust
118.4 km/h
3 August 1991
Hottest feels-like
40.2 °C
8 February 1987
Coldest feels-like
-0.2 °C
12 June 1979
Sunniest day
14.2 h
31 December 1954
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.8 °C | +0.8 °C | 50 mm | +14 mm |
| Feb | 24.3 °C | +0.2 °C | 32 mm | -11 mm |
| Mar | 24.1 °C | +0.8 °C | 42 mm | -9 mm |
| Apr | 22.3 °C | +0.6 °C | 43 mm | -3 mm |
| May | 22.0 °C | +1.5 °C | 19 mm | -24 mm |
| Jun | 19.9 °C | +0.8 °C | 35 mm | -3 mm |
| Jul | 19.5 °C | +0.9 °C | 33 mm | -4 mm |
| Aug | 19.4 °C | +0.7 °C | 13 mm | -34 mm |
| Sep | 19.7 °C | +0.6 °C | 22 mm | -17 mm |
| Oct | 21.1 °C | +1.1 °C | 29 mm | -23 mm |
| Nov | 22.7 °C | +1.5 °C | 23 mm | -23 mm |
| Dec | 23.4 °C | +0.6 °C | 19 mm | -16 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Jeffreys Bay?
Jeffreys Bay has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 511 mm of precipitation per year.
What is the hottest day ever recorded in Jeffreys Bay?
The hottest day measured in Jeffreys Bay between 1940 and 2025 was 23 March 1969, reaching 36.4 °C.
What is the coldest day in Jeffreys Bay?
The coldest day measured in Jeffreys Bay between 1940 and 2025 was 13 June 1944, at 5.3 °C.
Does it snow in Jeffreys Bay?
Almost never: Jeffreys Bay sees virtually no snow, with about 0 frost days per year.
Has the climate of Jeffreys Bay warmed?
Yes: Jeffreys Bay warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jeffreys Bay?
The wettest day measured in Jeffreys Bay between 1940 and 2025 was 5 March 2007, with 91 mm of rain in 24 hours.
What was the windiest day in Jeffreys Bay?
The windiest day measured in Jeffreys Bay between 1940 and 2025 was 26 February 1944, with winds reaching 63.8 km/h.
What is the warmest month in Jeffreys Bay?
The warmest month in Jeffreys Bay is February (20.9 °C on average); the coldest is July (14.4 °C).
How much does it rain in Jeffreys Bay?
Jeffreys Bay receives on average 511 mm of precipitation per year, spread over about 93 rainy days.
Is it sunny in Jeffreys Bay?
Jeffreys Bay gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Jeffreys Bay?
Yes: Jeffreys Bay has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jeffreys Bay?
In Jeffreys Bay, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 8 February 1987, and the lowest was -0.2 °C on 12 June 1979.
Compare Jeffreys Bay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jeffreys Bay