A typical April from my records:

  • An average temperature of 12.3C.
  • Maximum temperature expected about 27C.
  • Minimum temperature expected about 1C.
  • No frosts are expected in an average April
  • Twenty three days are expected to reach or exceed 15C.
  • Eight days are expected to reach or exceed 20C.
  • Two days are expected to reach or exceed 25C.
  • Wind run would be around 3600km with the windiest day expected to have a wind run of 320km.
  • Maximum wind gust would be in the region of 55km/h.
  • There would be rain on 11 days with the monthly total of around 80mm.

Rain totals for the month and year along with temperature and wind comparisons can be found here.

April 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 10.1 18.4 13.9 6.4 30 146 South Sth West 0 0 1013.1 1019.8 -6.7
Early light showers clearing by dawn. Morning cloud breaking to a sunny afternoon. Southerly winds turning NE from late afternoon.
2 10.0 16.0 12.0 5.7 50 131 East Nth East 0.4 1.2 1006.5 1022.8 +16.3
Overcast with showers from midday with a southerly change.
3 4.7 17.5 12.0 5.1 33 116 East Nth East 0 0 1013.5 1023.8 -10.3
Sunny with a NE in the afternoon.
4 8.5 28.3 18.5 4.9 37 117 East Nth East 0 0 1002.8 1013.2 -10.4
Sunny and warm with north to NW winds from mid morning.
Timaru hotter than Rarotonga as nor'west winds drive up temperatures across the south
Marlborough nearly records its lowest March rainfall in 92 years
5 13.9 30.0 21.1 7.5 39 171 West Nth West 0 0 1000.7 1017,2 +16.5
Sunny and very warm for the time of year. A new April record high temperature for my station, previous record was 29C on the 2nd April 2017
Christchurch notches up driest March in 12 years (In my records I have to go back to 2001 for a drier March - 20 years!)
6 11.4 19.2 14.7 6.2 25 142 East Nth East 0 0 1015.7 1018.3 -2.6
Sunny with light NE winds.
7 7.5 18.1 13.0 5.7 33 131 East Nth East 0 0 1017.4 1023.7 +6.3
Morning cloud breaking to a sunny afternoon, cloud returning in the evening. NE wind.
8 9.1 20.8 14.3 3.7 26 84 East Nth East 0 0 1015.4 1018.3 -2.9
Some morning mist. Clear and sunny with light winds.
9 10.6 19.8 15.0 4.4 19 101 East Nth East 0 0 1005.8 1015.3 -9.5
Some high cloud but a mostly sunny day. becoming overcast later in the afternoon. Light NE winds.
Parts of NZ dangerously dry with no immediate end in sight
1968: The Wahine storm - Damage in Christchurch
10 14.6 18.2 16.0 10.1 44 231 East Nth East 0.4 2.6 990.0 1005.7 -15.7
Overcast with morning showers clearing. NE wind freshening from late morning but dying away in the evening.
11 11.8 25.3 17.8 2.1 22 47 East Nth East 0 0 992.3 1005.8 +13.5
High cloud breaking to a sunny and mild afternoon with light breezes tending NE.
12 10.0 20.9 15.3 5.4 33 124 East Nth East 0 0 999.0 1007.3 -8.3
Morning cloud with a few spots of rain. Cloud breaking to a mostly sunny afternoon with NE wind.
13 6.7 22.1 13.2 1.6 27 35 North Nth West 0 0 995.6 1000.5 -4.9
Cloud increasing with a few spots of rain before midday. Light winds tending nor'west
Record-breaking dry conditions biting North Canterbury, Banks Peninsula farmers
14 7.1 19.0 12.5 4.4 26 99 South Sth West 0.2 0.4 1000.0 1004.4 +4.4
Light showers in the morning clearing and cloud breaking. Southerly wind.
15 8.7 20.0 12.7 3.5 28 80 East Nth East 0 0 996.9 1003.4 -6.5
Partly cloudy with an afternoon shower. Mostly light NE winds.
16 6.2 22.8 13.3 5.3 40 122 East Nth East 0.2 0.6 994.7 1003.8 +9.1
Light easterly winds turning warm nor'west from late morning with increasing cloud. A southerly change with showers in the evening.
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