Jeffreys Bay weather in May
In May, Jeffreys Bay sees average daytime highs of 21°C and overnight lows near 14°C, with 36 mm of rain across 6.3 wet days and about 10.3 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 47% of the time in May, and the air most often feels dry.
Daylight stretches from about 10 h 42 min at the start of May to 9 h 54 min by month's end. Set against the rest of the year, May is Jeffreys Bay's 5th-clearest and 11th-windiest month. For the whole year in context, see Jeffreys Bay's year-round climate.
- Daytime high
- 21°
- 7th warmest
- Overnight low
- 14°
- 5th coldest
- Rainfall
- 36 mm
- 6.3 wet days
- Daylight
- 10 h 12 min
- 7:10 AM – 5:24 PM
- Cloud cover
- 44%
- 5th clearest
- Wind
- 15 km/h
- 11th windiest
- Solar energy
- 3.07 kWh/m²
- Travel score
- 7.3
- out of 10
Jeffreys Bay is town in the Eastern Cape, South Africa.
- Density
- 1,562/km²
- people per km²
- Founded
- 1849
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 21°C through the month.
A typical May day in Jeffreys Bay reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 15 |
| 2 | 21 | 15 |
| 3 | 21 | 15 |
| 4 | 21 | 15 |
| 5 | 21 | 15 |
| 6 | 21 | 14 |
| 7 | 21 | 14 |
| 8 | 21 | 14 |
| 9 | 21 | 14 |
| 10 | 21 | 14 |
| 11 | 21 | 14 |
| 12 | 21 | 14 |
| 13 | 21 | 14 |
| 14 | 21 | 14 |
| 15 | 21 | 14 |
| 16 | 21 | 14 |
| 17 | 21 | 14 |
| 18 | 21 | 14 |
| 19 | 21 | 14 |
| 20 | 21 | 14 |
| 21 | 21 | 14 |
| 22 | 21 | 14 |
| 23 | 21 | 14 |
| 24 | 21 | 13 |
| 25 | 21 | 13 |
| 26 | 20 | 13 |
| 27 | 20 | 13 |
| 28 | 20 | 13 |
| 29 | 20 | 13 |
| 30 | 20 | 13 |
| 31 | 20 | 13 |
Jeffreys Bay weather by month
How May compares with the rest of the year at a glance. May is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 24° / 18° | 39 | 7.5 | 14 | 7.7 |
| Feb | 24° / 19° | 41 | 7.3 | 13.3 | 7.5 |
| Mar | 24° / 18° | 46 | 7.7 | 12.3 | 7.6 |
| Apr | 22° / 16° | 43 | 7.2 | 11.2 | 7.3 |
| May | 21° / 14° | 36 | 6.3 | 10.3 | 7.3 |
| Jun | 19° / 12° | 36 | 6.1 | 9.8 | 7.1 |
| Jul | 19° / 12° | 36 | 6.3 | 10 | 7.1 |
| Aug | 19° / 12° | 52 | 7.5 | 10.7 | 6.8 |
| Sep | 19° / 13° | 38 | 7.3 | 11.8 | 6.7 |
| Oct | 20° / 14° | 50 | 8.3 | 12.9 | 6.7 |
| Nov | 21° / 16° | 56 | 8.5 | 13.8 | 6.9 |
| Dec | 23° / 17° | 43 | 8.2 | 14.2 | 7.3 |
Cloud cover in May
The sky is clear or mostly clear about 47% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 33%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 68 | 68 | 68 | 68 | 67 | 67 | 68 | 68 | 67 | 68 | 67 | 68 | 67 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 65 | 64 | 65 | 65 | 66 | 67 | 67 | 68 | 68 | 70 |
| Cloudier (%) | 32 | 32 | 32 | 32 | 33 | 33 | 32 | 32 | 33 | 32 | 33 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 35 | 36 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 30 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 68 | 32 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 67 | 33 |
| 6 | 67 | 33 |
| 7 | 68 | 32 |
| 8 | 68 | 32 |
| 9 | 67 | 33 |
| 10 | 68 | 32 |
| 11 | 67 | 33 |
| 12 | 68 | 32 |
| 13 | 67 | 33 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 65 | 35 |
| 18 | 65 | 35 |
| 19 | 64 | 36 |
| 20 | 64 | 36 |
| 21 | 64 | 36 |
| 22 | 65 | 35 |
| 23 | 64 | 36 |
| 24 | 65 | 35 |
| 25 | 65 | 35 |
| 26 | 66 | 34 |
| 27 | 67 | 33 |
| 28 | 67 | 33 |
| 29 | 68 | 32 |
| 30 | 68 | 32 |
| 31 | 70 | 30 |
Chance of precipitation in May
Jeffreys Bay gets around 36 mm of rain over 6.3 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 20% and peaks near 22% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 22 |
| 2 | 22 |
| 3 | 22 |
| 4 | 21 |
| 5 | 21 |
| 6 | 21 |
| 7 | 21 |
| 8 | 20 |
| 9 | 20 |
| 10 | 19 |
| 11 | 19 |
| 12 | 19 |
| 13 | 18 |
| 14 | 18 |
| 15 | 18 |
| 16 | 18 |
| 17 | 18 |
| 18 | 18 |
| 19 | 19 |
| 20 | 19 |
| 21 | 19 |
| 22 | 19 |
| 23 | 20 |
| 24 | 20 |
| 25 | 20 |
| 26 | 20 |
| 27 | 20 |
| 28 | 21 |
| 29 | 21 |
| 30 | 21 |
| 31 | 21 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 47 | 48 | 49 | 50 | 50 | 52 | 53 | 55 | 56 | 57 | 59 | 60 | 62 | 64 | 65 | 67 | 69 | 71 | 73 | 74 | 76 | 78 | 80 | 82 | 84 | 85 | 87 | 88 | 90 | 91 | 92 |
| Comfortable (%) | 45 | 45 | 44 | 44 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 34 | 33 | 31 | 30 | 28 | 26 | 25 | 23 | 21 | 19 | 18 | 16 | 15 | 13 | 12 | 10 | 9 | 8 |
| Humid (%) | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 47 | 45 | 8 |
| 2 | 48 | 45 | 7 |
| 3 | 49 | 44 | 7 |
| 4 | 50 | 44 | 6 |
| 5 | 50 | 44 | 6 |
| 6 | 52 | 43 | 5 |
| 7 | 53 | 42 | 5 |
| 8 | 55 | 41 | 4 |
| 9 | 56 | 40 | 4 |
| 10 | 57 | 39 | 4 |
| 11 | 59 | 38 | 3 |
| 12 | 60 | 37 | 3 |
| 13 | 62 | 36 | 2 |
| 14 | 64 | 34 | 2 |
| 15 | 65 | 33 | 2 |
| 16 | 67 | 31 | 2 |
| 17 | 69 | 30 | 1 |
| 18 | 71 | 28 | 1 |
| 19 | 73 | 26 | 1 |
| 20 | 74 | 25 | 1 |
| 21 | 76 | 23 | 1 |
| 22 | 78 | 21 | 1 |
| 23 | 80 | 19 | 1 |
| 24 | 82 | 18 | 0 |
| 25 | 84 | 16 | 0 |
| 26 | 85 | 15 | 0 |
| 27 | 87 | 13 | 0 |
| 28 | 88 | 12 | 0 |
| 29 | 90 | 10 | 0 |
| 30 | 91 | 9 | 0 |
| 31 | 92 | 8 | 0 |
Wind in May
Winds average 15 km/h in May.
Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in May
Daylight runs from about 10 h 42 min at the start of May to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over May. Sunrise moves from 6:58 AM to 7:20 AM, and sunset from 5:37 PM to 5:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.7 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.3 | 10.3 | 10.2 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 9.9 | 9.9 |
| Sunrise (AM) | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:10 | 7:11 | 7:12 | 7:13 | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:17 | 7:17 | 7:18 | 7:19 | 7:19 | 7:20 |
| Sunset (PM) | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:28 | 5:27 | 5:26 | 5:25 | 5:24 | 5:24 | 5:23 | 5:22 | 5:21 | 5:21 | 5:20 | 5:20 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 | 5:16 | 5:16 | 5:16 | 5:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.7 | 6:58 | 5:37 |
| 2 | 10.6 | 6:59 | 5:36 |
| 3 | 10.6 | 6:59 | 5:35 |
| 4 | 10.6 | 7:00 | 5:34 |
| 5 | 10.5 | 7:01 | 5:33 |
| 6 | 10.5 | 7:02 | 5:32 |
| 7 | 10.5 | 7:03 | 5:31 |
| 8 | 10.4 | 7:03 | 5:30 |
| 9 | 10.4 | 7:04 | 5:29 |
| 10 | 10.4 | 7:05 | 5:28 |
| 11 | 10.4 | 7:06 | 5:28 |
| 12 | 10.3 | 7:06 | 5:27 |
| 13 | 10.3 | 7:07 | 5:26 |
| 14 | 10.3 | 7:08 | 5:25 |
| 15 | 10.3 | 7:09 | 5:24 |
| 16 | 10.2 | 7:10 | 5:24 |
| 17 | 10.2 | 7:10 | 5:23 |
| 18 | 10.2 | 7:11 | 5:22 |
| 19 | 10.2 | 7:12 | 5:21 |
| 20 | 10.1 | 7:13 | 5:21 |
| 21 | 10.1 | 7:13 | 5:20 |
| 22 | 10.1 | 7:14 | 5:20 |
| 23 | 10.1 | 7:15 | 5:19 |
| 24 | 10.1 | 7:15 | 5:18 |
| 25 | 10.0 | 7:16 | 5:18 |
| 26 | 10.0 | 7:17 | 5:17 |
| 27 | 10.0 | 7:17 | 5:17 |
| 28 | 10.0 | 7:18 | 5:16 |
| 29 | 10.0 | 7:19 | 5:16 |
| 30 | 9.9 | 7:19 | 5:16 |
| 31 | 9.9 | 7:20 | 5:15 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 3.07 kWh/m².
For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 7.05 kWh/m² in December across the year — May's 3.07 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.5 | 3.4 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.4 | Moderate |
| 3 | 3.4 | Moderate |
| 4 | 3.4 | Moderate |
| 5 | 3.4 | Moderate |
| 6 | 3.3 | Moderate |
| 7 | 3.3 | Moderate |
| 8 | 3.3 | Moderate |
| 9 | 3.3 | Moderate |
| 10 | 3.2 | Moderate |
| 11 | 3.2 | Moderate |
| 12 | 3.2 | Moderate |
| 13 | 3.2 | Moderate |
| 14 | 3.1 | Moderate |
| 15 | 3.1 | Moderate |
| 16 | 3.1 | Moderate |
| 17 | 3.1 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 3.0 | Moderate |
| 21 | 3.0 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.9 | Moderate |
| 25 | 2.9 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.8 | Moderate |
| 30 | 2.8 | Moderate |
| 31 | 2.8 | Moderate |
Is May a good time to visit Jeffreys Bay?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Jeffreys Bay for general sightseeing.
What to pack for Jeffreys Bay in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Jeffreys Bay sees daytime highs around 21°C and nights near 14°C. Little to plan around — just the basics. About 6 days see rain.
Sea temperature near Jeffreys Bay in May
The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 21°C and coldest in August near 17°C.
It's comfortable for a long swim from Dec 23 to Mar 23 — about 3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 20 | Refreshing |
| Apr | 19 | Cool |
| May | 19 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 18 | Cool |
| Nov | 19 | Cool |
| Dec | 20 | Cool |
UV index in Jeffreys Bay in May
Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jeffreys Bay peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 9 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Extreme |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Jeffreys Bay in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Jeffreys Bay is worst in June — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (February, 7 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) | 7 | 7 | 9 | 10 | 14 | 18 | 15 | 16 | 13 | 11 | 9 | 7 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 14 | Moderate |
| Jun | 18 | Moderate |
| Jul | 15 | Moderate |
| Aug | 16 | Moderate |
| Sep | 13 | Moderate |
| Oct | 11 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Jeffreys Bay?
Jeffreys Bay sits at 34.0°S, 24.9°E, 49 m above sea level, in South Africa. The nearest listed city is Humansdorp, 14 km away.
Topography around Jeffreys Bay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jeffreys Bay.
Within 3 km, the terrain around Jeffreys Bay has only modest variations in elevation — a maximum elevation change of 122 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 449 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,657 m.
The land around Jeffreys Bay is covered by water (39%), grassland (26%) and artificial surfaces (23%) within 3 km, water (46%) and grassland (32%) within 16 km, and water (37%) and grassland (34%) 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 Jeffreys Bay (-34.0453°, 24.9215°, elevation 49 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).