May 2020 Summary
Temperature
Mean 9.8 C
Mean Maximum 15.1 C
Mean Minimum 4.9 C
Maximum High 24.0 C (3rd)
Maximum Low 13.7 C (3rd)
Minimum High 10.6 C (18th)
Minimum Low -0.7 C (27th)
Wind Speed and Direction
Maximum Gust 48 km/h (5th)
Mean 4.0 km/h
Wind Run 2844 km
Max Daily Windrun 280 km (5th)
Prevailing Direction East North East
Barometer
Maximum 1036.2 hPa (19th)
Minimum 988.3 hPa (4th)
Mean 1019.2 hPa
Max Daily Change +19.4 hPa (5th)
Rainfall
Days with Measured Rainfall
(0.2mm or more)
6
Max Daily Rainfall 15.2 mm (25th)
Monthly Rainfall 25.6 mm
Humidity
Maximum 97 % (Several Days)
Minimum 34 % (1st)

 

May 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 4.7 21.5 11.6 3.2 20 74 East Nth East 0 0 1013.4 1021.5 -8.1
Sunny with thin high cloud. Light winds tending NE in the afternoon.
2 4.7 20.3 14.2 5.5 33 126 East Nth East 0 0 994.8 1013.1 -18.3
Cloudy from mid morning with NE wind.
3 13.7 24.0 17.5 7.9 37 179 East Nth East 0 0 989.5 998.8 -9.3
Early light shower then fine with some high cloud and warm northerlies.
4 9.1 17.7 13.3 4.9 37 110 Est Nth East 0.2 2.0 988.3 993.3 +5.0
Mostly cloudy with sunny intervals in the morning. Overcast with showers from afternoon. NE wind.
Dry autumn puts pressure on North Canterbury farmers
5 6.6 12.0 8.4 12.3 48 280 South Sth West 1.0 7.8 993.3 1012.7 +19.4
Showers with cold southerly winds from mid morning. Sunny intervals in the afternoon.
Drought: Rainfall 'lowest ever' in much of North Island
6 0.9 15.5 8.3 3.4 25 77 East Nth East 0 0 1010.7 1015.2 -4.5
Light frost. Variable high cloud with sunny intervals, light winds tending NE.
7 3.6 19.8 10.4 0.4 15 10 Variable 0 0 1008.4 1011.4 -3.0
Mostly sunny with hardly any wind.
8 4.4 15.3 9.8 4.0 24 92 East Nth East 0 0 1010.7 1023.2 +12.5
Sunny morning. Overcast afternoon with a few spots of rain. Light NE winds.
9 10.1 15.4 12.4 7.0 26 159 East Nth East 0 0 1023.1 1025.3 +2.2
Early drizzle clearing before dawn then a mostly sunny morning. Cloud increasing in the afternoon. NE wind.
10 10.5 15.5 12.1 7.4 28 169 Est Nth East 0 0 1017.6 1024.0 -6.4
Morning cloud breaking to sunny intervals. Low cloud returning from late afternoon. NE winds.
11 6.6 17.1 12.6 5.7 26 129 East Nth East 0 0 1014.0 1017.5 -3.5
Some cloud, NE wind.
12 9.2 14.7 12.1 5.1 24 116 South Sth West 0 0 1015.9 1027.2 +11.3
Early light showers clearing before dawn. Overcast with southerly winds.
13 6.6 14.5 10.7 3.7 23 84 East Nth East 0 0 1023.3 1028.4 -5.1
Overcast and cool with light NE winds
14 6.3 15.3 10.5 3.3 21 75 East Nth East 0 0 1016.1 1023.2 -7.1
Morning fog clearing then partly cloudy with high cloud, sunny intervals. Light NE winds.
15 6.0 15.1 10.6 3.8 20 87 South Sth West 0 0 1019.2 1028.9 +9.7
Mostly cloudy with light southerly winds.
16 2.6 13.9 7.5 0.5 14 11 East Nth East 0 0 1028.9 1034.1 +5.2
Variable cloud, light breezes tending NE.
17 1.3 12.5 7.1 2.4 20 54 East Nth East 0 0 1029.6 1033.9 -4.3
Light morning frost. Sunny with light NE winds.
18 2.1 10.6 6.9 2.9 24 66 West 0 0 1027.3 1034.6 +7.3
Morning fog lifting and clearing about midday to a sunny afternoon. Cloud increasing later.
19 2.4 13.4 7.9 2.6 18 57 East Nth East 0 0 1031.9 1036.2 -4.3
Morning cloud breaking to a mostly sunny day with light NE winds.
20 2.1 12.6 7.1 3.0 21 68 East Nth East 0 0 1028.0 1032.7 -4.7
 
21 1.3 19.3 8.6 3.2 24 73 East Nth East 0 0 1015.7 1027.7 -12.0
Some high cloud. Mild in the afternoon. Light winds tending NE.
22 5.5 19.3 11.3 0.9 15 20 East Nth East 0 0 1013.5 1018.1 +4.6
Some high cloud. Mild with light breezes tending NE.
23 2.9 13.6 8.7 5.2 30 119 East Nth East 0 0 1018.1 1027.1 -9.0
Cloudy and cool with NE wind.
24 9.1 12.8 10.6 5.7 33 130 East Nth East 0.2 0.2 1012.0 1018.1 -6.1
Overcast and cool with NE winds in the morning turning light and variable from midday. Showers at night.
25 8.7 11.8 9.9 2.9 17 66 South West 0.6 15.2 1012.6 1017.0 +4.4
Morning rain easing to showers in the afternoon, light southerly winds.
26 2.3 12.8 7.7 1.4 16 31 South Sth West 0 0 1017.4 1027.7 +10.3
Variable cloud with a light cool southerly wind.
27 -0.7 12.6 4.7 0.5 12 11 South Sth West 0.2 0.2 1024.3 1027.9 -3.6
Light frost. Clear and sunny with light breezes tending southerly.
28 1.7 11.3 6.8 4.0 25 91 East Nth East 0 0 1019.8 1025.9 -6.1
Partly cloudy with a cool NE wind.
29 7.1 11.3 8.6 2.3 15 51 West 0 0 1028.5 1023.7 +5.2
Overcast with light breezes tending westerly.
30 0.4 13.0 6.6 1.6 16 36 East Nth East 0 0 1023.7 1032.2 +8.5
Clear and sunny with light NE winds.
31 1.4 12.2 7.9 7.8 36 178 East Nth East 0.2 0.2 1028.3 1032.9 -4.6
Mostly cloudy with a few sunny intervals in the morning. Fresh cool NE wind.

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May 2020  Temperature Graph
May 2020 Wind Dir Graph
May 2020 Wind Dir Graph
May 2020 Wind Speed Graph
May 2020 Rainfall Graph
May 2020 Barograph
May 2020 Humidity Graph