March Summary

Above average temperature, 16% of expected rainfall, least windy of any March in my records.

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

  • This March above my average temperature of 15.2c with 15.8C.
    • The coldest temperature was 4.3C, warmer than my average March minimum of 3.8C.
    • The highest temperature was 29.1C, my average March maximum is 30.3C.
    • All 31 days reached or exceeded 15C, my average is 29 days.
    • Twenty four days reached or exceeded 20C, my average is 15 days.
    • Five days reached or exceeded 25C, my average is 6 days.
  • Wind run was 81% of my average of 4549km with 3662km, the least windy March in my records.
  • The barometer recorded below average pressure for the month with 1015.5hPa. My average is 1016.7hPa.
  • Rainfall was just 16% of the average expected total of 58mm with 9.4mm,
    • This is the driest March in the past 10 years is 2019 with 22.2mm. In all my March records its 2001 with 5.8mm.
    • The wettest March in the past 10 years and in all my March records is 2014 with 167mm.
March 2021 Summary
Temperature
Mean 15.8 C
Mean Maximum 22.2 C
Mean Minimum 10.5 C
Maximum High 29.1 C (28th)
Maximum Low 16.6 C (28th)
Minimum High 15.9 C (24th)
Minimum Low 4.3 C (19th)
Wind Speed and Direction
Maximum Gust 48 km/h (13th)
Mean 5.2 km/h
Wind Run 3662 km
Max Daily Windrun 252 km (14th)
Prevailing Direction East North East
Barometer
Maximum 1038.8 hPa (18th)
Minimum 983.4 hPa (6th)
Mean 1014.5 hPa
Max Daily Change +17.6 hPa (16th)
Rainfall
Days with Measured Rainfall
(0.2mm or more)
8
Max Daily Rainfall 2.4 mm (10th)
Monthly Rainfall 9.4 mm
Humidity
Maximum 92 % (16th)
Minimum 31 % (6th)
March 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 16.3 19.6 17.4 10.1 33 230 East Nth East 0.2 0.2 1006.6 1012.4 -5.8
Low cloud with light afternoon showers, NE wind.
2 15.7 25.4 19.3 9.0 32 206 East Nth East 0 0 996.7 1006.4 -9.7
Some cloud but mostly sunny with a humid NE wind.
3 14.0 27.3 20.7 7.4 42 169 North Nth East 0 0 991.2 996.8 -5.6
Variable cloud, with warm northerly winds.
4 11.8 24.2 16.8 4.2 23 96 East Nth East 1.2 2.2 993.1 996.4 +3.3
Mostly cloud but some sunny intervals. Thunder with showers in the evening. Variable winds turning NE from mid afternoon.
Nine of NZ's 10 most expensive floods connected to 'rivers in the sky'
Summer brought 11th highest temperature on record, and hail storms for Christmas
5 7.1 24.9 16.5 5.1 32 117 East Nth East 0 0 985.6 993.4 -7.9
Variable high cloud with north to NE winds.
6 13.8 26.5 19.5 6.4 34 147 East Nth East 0 0 983.4 988.3 +4.9
Few clouds but mostly sunny with variable winds tending NE.
7 8.0 22.1 14.6 5.2 31 118 South Sth West 0.2 0.2 987.2 998.3 +11.1
Some cloud during the day but mostly sunny. Cloud increasing later in the afternoon with some light rain.
8 8.6 18.9 13.4 5.2 34 120 South Sth West 0.2 0.4 998.4 1014.2 +15.8
Showers clearing before dawn, partly cloudy with southerly winds.
9 8.8 20.9 14.7 7.8 41 177 East Nth East 0 0 1008.0 1014.4 -6.4
Sunny with some high cloud, NE winds freshening in the afternoon.
10 12.6 25.6 16.0 4.2 29 95 South Sth West 0.4 2.4 1002.6 1014.6 +12.0
Light showers early morning clearing but light rain returning from mid afternoon. Light southerly winds.
11 10.1 20.0 14.2 4.5 24 102 East Nth East 0.4 2.0 1015.0 1027.0 +12.0
Showers clearing before dawn, cloud breaking to a mostly sunny afternoon with NE wind.
12 10.5 21.5 15.5 2.1 23 53 East Nth East 0 0 1026.7 1031.9 +5.2
Morning cloud breaking and clearing later in the day. Light winds tending NE.
13 6.6 20.4 13.7 8.8 48 200 East Nth East 0 0 1026.7 1032.4 -5.7
Sunny with NE wind fresh in the afternoon.
14 11.3 21.9 16.7 11.1 40 252 East Nth East 0 0 1014.8 1026.4 -11.6
Clear and sunny, freshening NE wind in the afternoon.
15 8.5 24.5 16.4 3.1 24 71 East Nth East 0 0 1002.8 1015.0 -12.2
High cloud with light winds tending NE. A few spots of rain late afternoon.
16 8.8 19.4 14.2 7.1 44 161 South Sth West 1.0 1.2 1001.7 1019.3 +17.6
Partly cloudy with a shower early afternoon. Cloud breaking to a mostly sunny afternoon with southerly winds dying away.
17 7.4 22.3 13.8 5.1 34 117 South Sth West 0 0 1018.9 1033.5 +14.6
Sunny morning with light breezes. Southerly wind in the afternoon.
18 10.1 20.9 14.0 3.3 24 76 East Nth East 0 0 1033.6 1038.8 +4.7
Morning cloud breaking and clearing to a sunny afternoon with a light NE wind.
19 4.3 21.3 12.6 2.6 24 58 East Nth East 0 0 1036.1 1038.5 -2.4
Clear and sunny with a light NE wind.
20 8.8 18.7 13.7 2.2 20 49 South Sth West 0 0 1033.4 1037.1 -3.7
Overcast with light winds
21 10.0 22.8 15.5 2.2 21 50 East Nth East 0 0 1029.7 1033.7 -4.0
Morning cloud breaking mid morning and clearing to a sunny and mild day with light southerly winds turning NE.
22 10.7 21.3 15.5 2.0 23 46 South Sth West 0 0 1029.3 1032.4 -3.1
Cloud breaking in the afternoon and finally clearing. Light southerly winds.
23 8.9 21.8 14.5 5.3 35 121 East Nth East 0 0 1029.5 1019.3 -10.2
Sunny with a NE wind freshening in the evening.
24 10.8 15.9 13.6 2.0 16 44 East Nth East 0 0 1019.8 1022.2 +2.4
Overcast with light drizzle at times, light breezes tending NE.
25 8.3 19.6 15.3 7.9 35 178 East Nth East 0 0 1020.3 1023.4 +3.1
Sunny with a few clouds, NE wind freshening in the afternoon
26 10.7 20.7 16.1 8.6 34 197 East Nth East 0 0 1017.0 1023.5 -6.5
Sunny and mild in the afternoon with thin high cloud. NE wind.
27 6.7 24.1 15.9 3.3 28 74 East Nth East 0 0 1012.7 1019.4 -6.7
High cloud with shome sunny intervals. mild with light winds tending NE.
28 16.6 29.1 21.3 4.9 24 110 East Nth East 0 0 1009.0 1012.7 -3.7
Variable high cloud. Warm in the afternoon with light winds. Brief shower in the evening.
29 12.4 28.3 19.8 2.5 21 58 East Nth East 0.4 0.6 1008.2 1014.5 +6.3
Showers clearing before dawn. Few clouds, sunny and warm with light winds tending NE.
30 12.7 21.8 15.9 3.5 22 80 East Nth East 0 0 1010.8 1015.2 -4.4
Cloudy morning. Cloud breaking in the afternoon but returning in the evening, Light winds tending NE.
31 11.5 17.9 14.6 3.2 24 72 South Sth West 0 0 1007.8 1013.9 +6.1
Overcast with light southerly winds from early afternoon.


March 2021  Temperature Graph
March 2021 Wind Dir Graph
March 2021 Wind Dir Graph
March 2021 Wind Speed Graph
March 2021 Rainfall Graph
March 2021 Barograph
March 2021 Humidity Graph