Annual mean 18°C · wettest around January · prevailing wind N
Warmest
26.8 °C
Coldest
17.1 °C
Wettest
83%
Windiest
4.2 m/s
Prevailing
N
3.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Newcastle over the whole year is 18°C. December is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 6°C. Newcastle has no sharply defined rainy season: the chance of rain on a given day runs from 34% in July, the driest month, to 58% in January, the wettest. Winds in Newcastle are highest in September, averaging 3.3 m/s (12 km/h), and lightest in May, at 2.0 m/s (7 km/h). The prevailing wind is from the N. The clearest skies in Newcastle come in June, when the sky is typically 29% covered; February is the cloudiest month, at 66%.
Month by month Newcastle climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
25°C
17°C
25°C
58%
62%
2.6 m/s
62
49
32
February
25°C
17°C
25°C
45%
66%
2.3 m/s
65
49
33
March
25°C
17°C
25°C
40%
55%
2.5 m/s
63
46
33
April
22°C
13°C
21°C
51%
55%
2.3 m/s
76
23
57
May
20°C
9°C
18°C
42%
38%
2.0 m/s
73
10
73
June
18°C
6°C
14°C
41%
29%
2.5 m/s
49
0
82
July
18°C
6°C
13°C
34%
31%
2.7 m/s
43
0
80
August
20°C
8°C
16°C
42%
37%
3.0 m/s
60
3
77
September
23°C
12°C
19°C
54%
44%
3.3 m/s
70
18
60
October
23°C
14°C
20°C
42%
56%
3.2 m/s
64
27
53
November
25°C
16°C
23°C
39%
62%
3.0 m/s
63
37
44
December
26°C
17°C
25°C
47%
66%
2.9 m/s
58
48
33
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Newcastle weather by season
Year round, Newcastle has days of about 18°C at their warmest in July, its coolest month, and 26°C in December, its warmest; the coolest hours of the day run from 6°C to 17°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Newcastle weather in winterJune to August
High 19°CLow 7°CRain 39%
Winter in Newcastle has typical daily highs of about 19°C and lows of about 7°C, with a 39% chance of rain on a given day.
Newcastle weather in springSeptember to November
High 24°CLow 14°CRain 45%
Spring in Newcastle has typical daily highs of about 24°C and lows of about 14°C, with a 45% chance of rain on a given day.
Newcastle weather in summerDecember to February
High 25°CLow 17°CRain 50%
Summer in Newcastle has typical daily highs of about 25°C and lows of about 17°C, with a 50% chance of rain on a given day.
Newcastle weather in autumnMarch to May
High 22°CLow 13°CRain 44%
Autumn in Newcastle has typical daily highs of about 22°C and lows of about 13°C, with a 44% chance of rain on a given day.
When is the rainy season in Newcastle?
Newcastle has no sharply defined rainy season: the chance of rain on a given day runs from 34% in July, the driest month, to 58% in January, the wettest.
What time of year is Newcastle windiest?
Winds in Newcastle are highest in September, averaging 3.3 m/s (12 km/h), and lightest in May, at 2.0 m/s (7 km/h). The prevailing wind is from the N.
What is the average temperature in Newcastle year round?
The average temperature in Newcastle over the whole year is 18°C. December is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 6°C.