April Summary

Near average temperature, above average wind run and just 10% of expected rainfall.

(April compared to my records from the past 10 years.)

  • This April is near my average temperature of 12.3C with 12.4C.
    • The warmest temperature was 24.3C, my April record is 29.0C recorded in 2017.
    • The coldest temperature was 1.5C, my lowest April temperature is -1.7 2011.
    • Twenty eight days reached or exceeded 15C, my average is 23 days.
    • Six days reached or exceeded 20C, my average is 8 days.
    • No days reached or exceeded 25C, my average is 2 days.
  • Wind run was 108% of my average of 3579km with 3879km.
  • The barometer recorded below average pressure for the month with 1010.6hPa. My average is 1015.3hPa.
  • Rainfall was the lowest for April in the past 10 years, just 10% of the average expected total of 78mm with 7.8m.
    • 2001 is the driest April in my records with 4.5mm
    • The wettest April in the past 10 years and in my 20 years of records is 2014 with 202mm.
April 2020 Summary
Temperature
Mean 12.4 C
Mean Maximum 18.7 C
Mean Minimum 7.2 C
Maximum High 24.3 C (30th)
Maximum Low 13.1 C (6th)
Minimum High 13.3 C (15th)
Minimum Low 1.5 C (14th)
Wind Speed and Direction
Maximum Gust 49 km/h (14th)
Mean 5.7 km/h
Wind Run 3879 km
Max Daily Windrun 281 km (4th)
Prevailing Direction East North East
Barometer
Maximum 1031.3 hPa (29th)
Minimum 971.3 hPa (13th)
Mean 1010.6 hPa
Max Daily Change +23.5 hPa (12th)
Rainfall
Days with Measured Rainfall
(0.2mm or more)
5
Max Daily Rainfall 7.0 mm (18th)
Monthly Rainfall 7.8 mm
Humidity
Maximum 96 % (Several Days)
Minimum 28 % (30th)

 

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 10.6 19.0 13.7 1.9 16 41 South Sth West 0 0 1019.1 1022.1 +3.0
Low cloud breaking to a sunny and mild afternoon with light southerly breezes
2 10.1 18.2 13.3 3.9 23 87 West 0 0 1020.1 1023.5 +3.4
Morning low cloud breaking to a sunny afternoon with light winds tending westerly.
3 8.7 18.2 12.4 4.2 24 95 East Nth East 0 0 1022.8 1026.5 +3.7
morning low cloud lifting and breaking to a sunny afternoon, low cloud returning later in the afternoon.
4 11.3 17.1 13.7 12.4 42 281 East Nth East 0.2 0.2 1025.6 1027.7 +1.9
Early drizzle clearing but remaining cloudy with a fresh NE wind
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5 12.3 18.5 14.7 11.5 37 274 East Nth East 0 0 1023.1 1027.3 -4.2
Few clouds, sunny with NE wind.
6 13.1 18.7 14.7 9.0 30 205 East 0 0 1012.5 1022.9 -10.4
 
7 12.6 23.6 16.6 7.3 37 166 East Nth East 0 0 1001.4 1012.2 -10.8
 Cloudy with some sunny intervals, mild. A cooler southerly change from late afternoon with a few spots of drizzle in the evening.
8 11.1 17.1 13.5 5.3 29 122 East nth East 0 0 1006.4 1011.1 -4.7
Few clouds, mostly sunny with NE wind.
9 6.6 18.6 12.1 2.9 31 66 West Nth West 0 0 1006.7 1014.1 +7.4
Mostly cloudy with a few sunny intervals. Light breezes tending nor'west.
10 3.9 19.1   4.6 25 104 East Nth East 0 0 1012.7 1016.6 -3.9
Sunny and mild in the afternoon with mostly light NE winds.
11 11.1 172 13.8 9.5 36 219 East Nth East 0 0 1002.3 1012.7 -10.4
Morning cloud breaking to mostly sunny day with NE wind
12 7.6 22.3 15.6 7.1 36 161 East Ntn East 0 0 978.6 1002.1 -23.5
Mild with high cloud and NE winds.
13 6.7 19.6 13.9 7.5 39 172 South Sth West 0 0 971.3 992.5 +21.2
Variable high cloud in the morning, a mostly sunny afternoon with wind turning more southerly.
14 1.5 13.9 8.2 11.6 49 266 South Sth West 0 0 992.9 1008.0 +15.1
Variable cloud, few spots of rain in the morning. Cold southerly winds.
15  4.1 13.3 8.5 9.3 37 212 South Sth West 0 0 1005.0 1011.2 -6.2
Variable cloud with sunny intervals in the morning, overcast in the afternoon. Cold southerly winds dying away in the evening.
16 3.7 18.8 10.6 3.4 21 78 East Nth East 0 0 996.9 1004.6 -7.7
Sunny with high cloud. Light winds turning NE in the afternoon.
17 6.5 15.5 11.0 4.1 26 94 East Nth East 0.2 0.2 993.2 997.4 -4.0
Mostly cloudy with morning showers clearing by midday. Mostly light NE winds.
18 8.5 19.4 13.1 7.0 33 154 East Nth East 0.8 7.0 989.1 994.2 -5.1
Morning rain with NE winds. Rain clearing later in the morning to a sunny and mild afternoon with nor'west winds.
19 6.2 19.0 12.4 6.3 38 143 North Nth West 0 0 992.8 1006.7 +13.7
Sunny and mild with nor'west winds.
20 4.2 19.5 10.2 1.5 24 35 North Nth West 0 0 1006.2 1014.0 +7.8
Sunny morning with mild northerlies, cloud increasing in the afternoon.
21 1.6 16.5 9.2 3.5 21 79 Eat Nth East 0 0 1013.9 1017.1 +3.2
Sunny with light winds.
Christchurch residents wake to unusually chilly temperatures for April The coldest April temperature I've recorded was 28 April 2011 with -1.7C
22 8.1 18.4 12.7 3.3 21 74 East Nth East 0 0 1012.9 1015.4 +2.5
Sunny with some cloud high in the afternoon, light variable breezes.
23 5.7 17.1 10.6 0.9 16 20 East Nth East 0.2 0.2 1007.4 1014.1 -6.7
Morning fog clearing to a sunny morning. Overcast in the afternoon. Light breezes.
24 2.1 20.4 10.9 2.6 21 59 East Nth East 0 0 1008.0 1010.0 +2.0
Sunny and mild with light NE winds in the afternoon.
25 8.1 23.0 14.1 4.0 44 92 North Nth West 0 0 1004.1 1017.4 +13.3
Sunny and mild with gusty nor'west winds for a time.
26 6.6 15.8 11.5 6.8 36 155 East Nth East 0 0 1008.8 1018.3 -9.5
Overcast with NE winds
27 10.2 22.9 15.7 8.2 44 186 East Nth East 0 0 1001.7 1013.0 +11.3
High cloud with sunny intervals, mild northerly winds in the morning easing and turning NE in the afternoon.
28 3.0 18.0 10.6 3.8 24 87 East 0 0 1012.5 1029.2 +16.7
Sunny with light NE wind.
29 6.8 18.0 12.5 4.8 25 110 East Nth East 0 0 1029.1 1031.3 -2.2
Sunny with thin high cloud at times, light NE winds.
30 2.3 24.3 11.9 1.2 15 28 East Nth East 0 0 1020.2 1028.9 -8.7
Sunny and warm with some high cloud. Light breezes tending NE.

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