May Summary
Average temperature, below average wind run and 41% of expected rainfall.
(May compared to my records from the past 10 years.)
- This May equals my average temperature of 9.8C.
- The warmest temperature was 24.0C, my May record is 25.2C recorded in 2015.
- The coldest temperature was -0.7C, my lowest May temperature is -3.0 2014.
- One day recorded an air frost (0c or below), my average is 3 days.
- Two days failed to reach 10C equalling my average.
- Fourteen days reached or exceeded 15C, my average is 13 days.
- Three days reached or exceeded 20C equalling my average.
- Wind run was 81% of my average of 3529km with 2844km.
- The barometer recorded above average pressure for the month with 1019.2hPa. My average is 1011.5hPa.
- Rainfall was 41% of the average expected total of 62mm with 25.6m.
- 2015 is the driest May in my records with 12.5mm
- The wettest May in the past 10 years is 2013 with 111mm.
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 | ||||||||||||
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Temperature | Wind | Rainfall | Barometer | |||||||||
Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 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 |
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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 |
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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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