Weather and Climate
Canterbury has warm summers and cool to cold winters.
Maximum temperatures in summer are typically in the 27°- 33° range.
The highest temperature ever recorded in Christchurch was 42°.
In winter the temperatures can range from 2°- 12°.
Average Relative Humidity (9am)
January: 73%
July: 87%
Rainfall
Average Rain Days 1mm or more: 85 per annum
Average Annual Rainfall: 648mm
Average Annual temperature
Mean Annual Maximum (degrees Celsius): 17
Mean Annual Minimum(degrees Celsius): 7
Wind pattern
Nov-Mar: steady ENE breezes averaging 17 km/h
Apr-Oct: breezes averaging 11-13 km/h; occasional S/SW strong winds
Average number of days with gusts reaching 63 km/h or more: 55 per annum
Average number of days with gusts reaching 96 km/h or more: 2 per annum
Sunshine
Average Sunshine Hours (per annum): 2,100
Frost
Average Days of Screen Frost (minimum air temperature less than 0°C): 35 days per annum
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Average Temperatures |
Max (°C) |
23 |
22 |
20 |
17 |
14 |
11 |
11 |
12 |
14 |
17 |
19 |
21 |
| Min (°C) |
12 |
12 |
10 |
7 |
4 |
6 |
1 |
2 |
4 |
6 |
9 |
11 |
 |
| Average Sunshine |
Hours |
209 |
186 |
163 |
150 |
125 |
120 |
122 |
145 |
162 |
200 |
207 |
210 |
 |
| Average Humidity |
9am (%) |
72 |
78 |
80 |
84 |
86 |
87 |
88 |
86 |
79 |
73 |
70 |
71 |
| 3pm (%) |
60 |
58 |
62 |
63 |
67 |
69 |
70 |
64 |
59 |
57 |
55 |
57 |
 |
| Avg. relative humidity |
9am (%) |
83 |
|
88 |
|
| 3pm (%) |
57 |
|
70 |
|
 |
| Average rainfall |
(mm) |
46 |
45 |
56 |
55 |
64 |
57 |
63 |
56 |
46 |
46 |
49 |
52 |
 |
Average wind direction and strength |
Direction |
E |
ENE |
NE |
NE |
SW |
SW |
SW |
SW |
NE |
ENE |
ENE |
E |
| Speed (km/h) |
17 |
16 |
15 |
13 |
12 |
11 |
12 |
13 |
15 |
16 |
17 |
17 |
 |
|