Despite July feeling a lot colder this year, I recorded near average temperature but below average rainfall.

  • July was just above my average temperature of 5.9C with 6.0C.
    • The warmest July is 2013 with 7.6C, the coolest 2001 with 2.5C.
    • The coldest temperature was -5.3C. The lowest July temperature I've recorded was in 2001 with -6.9C.
    • Nine air frosts were recorded (Air temperature at or below 0) which is below my average of 11.
    • Thirteen Days failed to reach 10C, 1 less than my average.
    • Three days reached or exceed 15C, my average is 2.
  • Wind run was 118% of my average of 3288km with 3878km.
  • The barometer recorded above average pressure for the month with 1014.6hPa. My average is 1013.5hPa.
  • Rainfall was 57% of my average expected rainfall of 63mm with 36mm.
    • My driest July is 18.6mm in 2000, the wettest, 2008 with 195.4m.
July 2015 Summary
Temperature
Mean 6.0 C
Mean Maximum 10.9 C
Mean Minimum 1.7 C
Maximum High 19.5 C (26th)
Maximum Low 8.0 C (15th)
Minimum High 6.4 C (8th)
Minimum Low -5.3 C (12th)
Wind Speed and Direction
Maximum Gust 66 km/h (29th)
Mean 5.7 km/h
Wind Run 3878 km
Max Daily Windrun 307 km (19th)
Prevailing Direction East North East
Barometer
Maximum 1036.3 hPa (22nd)
Minimum 992.1 hPa (18th)
Mean 1014.6 hPa
Max Daily Change +19.9 hPa (29th)
Rainfall
Days with Measured Rainfall
(0.5mm or more)
12
Max Daily Rainfall 8.0 mm (18th)
Monthly Rainfall 36.0 mm
Humidity
Maximum 100 % (Several Days)
Minimum 38 % (5th)

 

July Daily Observations
TemperatureWindRainfallBarometer
DateMinMaxMeanMean
(Km/h)
Gust
(Km/h)
Run (km)Prevailing Dir10 Minute Max (mm)Total (mm)Min (hPa)Max (hPa)Change (hPa)
1 2.6 10.0 7.1 2.6 28 59 East Nth East 0 0 1007.7 1019.6 +11.9
Overcast from late morning. Cool with light winds tending NE.
2 5.0 12.5  8.0  4.5  24  100  East Nth East  1000.8  1018.5  -17.7 
Partly cloudy, light NE winds
3 6.1 12.6  9.1  3.3  24  70  South  1.0  4.5  997.3  1011.2  +13.9 
Variable cloud, light breezes tending southerly from midday, showers in the evening.
4 3.4 9.9  6.4  4.7  28  108  East Nth East  1002.0  1012.2  -9.8
Clear and sunny with a cool NE wind.
5 2.9 16.3  8.3  2.3  33  93  East Nth East  0.5  0.5  996.9  1001.7  -4.8 
Some high cloud in the morning, clearing to a mild and sunny afternoon with northerly breezes. Cooler NE later in the afternoon.
6 0.3 9.7  5.0  2.7  31  58  East Nth East  995.6  1000.8  +5.2 
Few clouds but mostly sunny with a cool NE wind.
7 -1.4 7.8  1.7  2.8  29  58  South  999.0  1006.9  +7.9 
Sunny with a few clouds, cold with light southerly winds.
8 -1.8 6.4  2.3  10.6  59  217  South  0.5  5.0  1016.9  1020.0  +3.1 
Mostly sunny morning with cold southerly winds from late morning. Cloud increasing, showers with sleet in the afternoon. Snow on the Port Hills
9 2.1 7.3  4.1  9.9  39  211  South  0.5  5.5  1016.9  1024.9  +8.0 
Mostly cloudy with cold southerly winds and showers.
10 -2.1 7.2  3.2  4.7  27  101  South  1.0  4.0  1024.9  1027.7  +2.8 
Showers clearing in the morning and cloud breaking. Cold southerly winds dying away by late afternoon. Frosty evening.
11 -4.9 7.6  -0.1  0.7  12  10  South  0.5  0.5  1025.3  1028.4  +3.1 
Heavy frost. Sunny with a few clouds, light breezes tending southerly. 
12 -5.3 7.9  0.6  1.7  19  39  East Nth East  1027.9  1030.8  +2.9 
Heavy frost. Sunny with light NE breezes. Coldest June temperature since 1 June 2001 with -6.2C
13 -1.9 9.5  4.2  7.3  35  166  East Nth East  0.5  0.5  1023.6  1030.5  -6.9 
Some cloud but mostly sunny with cool a NE wind from late morning. 0.5mm of rain from condensation.
14 3.3 10.7  7.6  7.4  34  169  East Nth East  1012.4  1023.6  -11.2 
High cloud increasing, overcast by midday. Cool NE wind.
15 8.0 12.1 10.4  7.2 27  165  East Nth East  1005.5  1012.3  -6.8 
Overcast with cool NE winds
16 5.3 10.7  7.9  5.7  24  116  South  1006.6  1014.9  +8.3 
Overcast with a few light showers, cool southerly wind.
17 5.3 10.6  7.2  3.8  21  86  East Nth East  1005.1  1013.6  -8.5 
Mostly cloudy but a few sunny breaks in the afternoon, cool Ne wind.
18 2.4 8.9  4.9  8.8  55  195  South  0.5 8.0  992.1  1005.1  -13.0 
Overcast and cold with light breezes turning southerly in the afternoon. Rain from mid afternoon with temperatures falling and the southerly strengthening.
19 0.3 9.5  4.9  15.5  52  307  South  0.5  0.5  999.9  1012.5  +12.6 
Cloud breaking to a mostly sunny afternoon, cold southerly wind.
20 -2.5 9.1  3.5  7.1  54  151  South  1009.7  1022.1  +12.4 
Morning frost, cloud increasing with a southerly arriving late morning but remaining dry. A few spots of rain in the evening.
21 -2.5 9.9  4.3  1.3  15  26  South  1022.3  1030.9  +8.6 
Morning frost then becoming overcast. Cloud clearing from mid afternoon. Light breezes tending southerly.
22 1.6 13.7  6.2  1.1  18  24 East Nth East 1030.1  1036.3  +6.2
Morning cloud breaking to a sunny afternoon with variable breezes tending NE in the evening.
23 3.1 12.1  8.0  7.5  31  172  East Nth East  1024.5  1031.5  -7.0 
Fine with thin high cloud, NE wind dying out in the evening.
24 3.0 13.1  7.3  3.9  23  88  East Nth East  1025.4  1033.6  +8.2 
Sunny, light variable breezes in the morning tending NE in the afternoon.
25 7.2 10.9  8.5  12.9  42  296  East Nth East  1015.9  1032.6  -16.7 
Sunny with a fresh cool NE wind.
26 4.9 19.5  12.2  7.9  33  178  East Nth East  1007.9  1015.7  -7.8 
Some cloud but mostly sunny with mild northerly winds from midday.
27 2.1 15.6  9.2  5.5  32  126  East Nth East  1.0  3.0  997.8  1013.2  -15.4 
Mostly cloudy and cool with NE winds. Showers at night.
28 4.9 14.0  9.2  4.7  27  94  South  1.0  3.0  995.6 1004.9 +9.3 
Cloud increasing in the afternoon with a few spots of rain, showers in the evening. Cool southerly wind.
29 1.7 10.2  5.6  10.5  66  226  South  0.5  0.5  1005.1  1025.0  +19.9 
Variable cloud but mostly sunny, cold southerly winds fresh to strong in the afternoon. Few spots of rain in the evening.
30 -2.3 10.0  3.7  2.1  18  46  East Nth East  1020.3  1025.1  -4.8 
Morning frost, cool with light NE winds from afternoon.
31 0.7 11.5  5.8  4.7  24  107  East Nth East  1011.8  1021.5  -9.7 
Fine with thin high cloud, cool NE wind.


July 2015  Temperature Graph
July 2015  Wind Dir Graph
July 2015  Wind Dir % Graph
July 2015  Wind Speed Graph
July 2015  Rainfall Graph
July 2015  Barograph
July 2015  Humidity Graph