Newcastle Weather Year-Round — Best Time to Visit
Newcastle, South Africa has warm weather year-round. The best time to visit is September (score: 88/100). Annual average high: 23.7°C, total rainfall: 814mm.
When is the best time to visit Newcastle?
88
September is the best month to visit Newcastle with a travel score of 88/100 (Excellent).
Expect highs of 25.1°C, 6 rain days, and 10.2 hours of daily sunshine.
View September weather details →Travel Score by Month
76
Jan
79
Feb
82
Mar
82
Apr
86
May
85
Jun
84
Jul
87
Aug
88
Sep
81
Oct
78
Nov
75
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Newcastle each month?
23.7°C
Avg High
10.6°C
Avg Low
814mm
Annual Rain
How much rain does Newcastle get?
Newcastle receives 814mm of rain annually. The wettest month is typically December with 143mm, while June is the driest.
What is the weather like each month in Newcastle?
January
76
26°C
Low: 16°C
16 rain days
Good
February
79
26°C
Low: 16°C
13 rain days
Good
March
82
25°C
Low: 14°C
11 rain days
Excellent
April
82
23°C
Low: 11°C
7 rain days
Excellent
May
86
21°C
Low: 7°C
3 rain days
Excellent
June
85
19°C
Low: 4°C
2 rain days
Excellent
July
84
19°C
Low: 4°C
2 rain days
Excellent
August
87
22°C
Low: 6°C
3 rain days
Excellent
September
Best time to visit88
25°C
Low: 10°C
6 rain days
Excellent
October
81
26°C
Low: 12°C
12 rain days
Excellent
November
78
26°C
Low: 14°C
15 rain days
Good
December
75
27°C
Low: 15°C
17 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31