A typical March from my records;

  • An average temperature of 15.3C.
    • Maximum temperature expected about 30C.
    • Minimum temperature expected about 4C.
    • Sixteen days are expected to reach or exceed 20C.
    • Seven days are expected to reach or exceed 25C.
    • One day is expected to reach or exceed 30C.
  • Wind run would be around 4560km with the windiest day expected to have a wind run of 280km.
    • Maximum wind gust would be in the region of 55km/h.
  • There would be rain on 9 days with the monthly total of around 60mm.

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

 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 12.8 20.9 16.4 10.6 35 242 East Nth East 0 0 1020.9 1025.8 +4.9
Few morning clouds, cloud increasing in the afternoon. NE wind.
2 15.4 20.8 17.5 11.8 46 269 East Nth East 0 0 1010.4 1025.1 -14.7
Low cloud breaking from mid afternoon, fresh NE wind.
3 15.1 32.4 21.9 4.0 38 89 East Nth East 0.2 0.4 998.6 1010.1 -11.5
Cloudy and warm with variable winds tending NE. A period of light rain later in the afternoon.
4 9.0 17.3 13.5 10.8 39 247 South Sth West 0 0 1003.8 1028.7 +24.9
Cloudy morning, sunny intervals in the afternoon. Cool southerly wind.
5 3.9 18.4 11.7 5.7 32 130 East Nth East 0 0 1028.6 1032.9 +4.3
Clear and sunny with a cool NE wind.
6 7.9 19.0 14.2 11.9 44 272 East Nth East 0 0 1024.8 1032.7 -7.9
Sunny morning. High cloud increasing in the afternoon with fresh NE wind
New Zealand's cooked glaciers, spattered with bushfire ash
7 13.9 22.1 17.2 11.2 37 254 East Nth East 0 0 1011.3 1024.4 -13.1
Sunny morning, high cloud increasing in the afternoon with NE winds
8 10.4 22.4 16.1 5.8 25 131 East Nth East 0 0 1005.1 1012.6 -7.5
Sunny intervals, cloud increasing on the afternoon with a few spots of rain in the evening.
9 15.1 29.6 20.4 6.7 28 151 East Nth East 0 0 996.3 1004.7 -8.4
Cloudy with warm northerly winds in the afternoon.
10 11.6 17.2 14.2 11.4 35 260 South Sth West 0.2 0.8 998.7 1011.7 +13.0
Overcast with morning drizzle, with further light rain in the evening. Southerly wind.
11 10.6 14.8 12.1 9.0 31 206 South Sth West 0.2 0.2 1011.8 1022.3 +10.5
Light showers clearing early morning. Overcast with a cool southerly wind.
12 10.3 21.5 14.0 2.4 22 54 East Nth East 0 0 1022.5 1028.6 +6.1
Morning cloud breaking to a sunny afternoon with light southerly winds turning NE later in the afternoon.
South Island's December storm costs insurers $17m
13 9.5 18.6 13.9 6.2 34 143 East Nth East 0 0 1021.9 1028.6 -6.7
Variable cloud with NE wind.
14 14.0 19.5 16.0 9.1 33 201 East Nth East 0 0 1014.2 1021.6 -7.4
Morning cloud breaking to a sunny afternoon. NE wind.
15 12.1 19.3 15.6 7.6 44 172 East Nth East 0 0 1006.6 1017.1 -10.5
Mostly cloudy with NE wind freshening.
16 10.0 21.9 15.3 10.1 44 231 South Sth West 0 0 1005.2 1022.1 +16.9
Partly cloudy with a southerly wind freshening in the afternoon.
17 4.6 15.8 11.0 6.9 38 158 South Sth West 0 0 1022.4 1025.7 +3.3
Variable cloud with a few spots of rain at times, cool southerly wind.
18 1.0 17.2 9.7 5.2 31 117 East Nth East 0 0 1014.7 1025.1 -10.4
Cool start to the day, sunny with a cool NE wind.
19 7.9 26.3 16.8 2.7 21 61 East Ntn East 0 0 1003.8 1014.6 -10.8
Clear and sunny with light winds tending NE. 
20 9.8 13.8 11.6 3.5 28 78 South Sth West 0.2 0.2 1003.0 1018.9 +15.9
Overcast with occasional light rain. Light southerly winds turning north to NE later in the afternoon.
21 9.3 16.4 13.0 9.3 52 213 East Nth East 0 0 1001.9 1019.1 -17.2
Overcast with a few spots of rain at times, fresh NE wind.
22 7.4 27.8 16.4 3.0 24 69 West Nth West 0 0 1001.9 1009.4 +7.5
Few clouds, sunny and warm with light winds.
23 5.4 19.2 13.3 8.8 59 200 East Nth East 0.4 2.6 989.5 1009.0 -19.5
Morning cloud breaking in the afternoon. Cold southerly change at night with some rain.
24 1.1 12.8 8.1 5.4 44 121 South Sth West 0.2 0.2 999.5 1009.5 +10.0
Showers clearing by dawn. Overcast and cold with west to SSW winds. Few spots of rain later in the afternoon.
Snow blankets parts of the South Island as temperatures drop
25 3.8 17.7 11.6 7.2 38 165 East Nth East 0 0 1009.6 1014.8 +5.2
Sunny with a freshening NE wind in the afternoon.
26 8.6 23.7 15.2 3.0 29 67 East Ntn East 0 0 1007.3 1014.1 -7.1
Morning fog clearing to a sunny day with mostly light NE winds
27 9.9 13.4 11.8 10.1 48 230 South Sth West 0.2 0.8 1012.2 1025.8 +13.6
Overcast with light morning showers, cold southerly winds.
28                        
 
29                        
 
30                        
 
31