From: Effects of climate variability on insect pests of cabbage: adapting alternative planting dates and cropping pattern as control measures
Months
Temperature (°C)
Rainfall (mm)
January
19
30
February
19.4
65
March
19.7
161
April
19.6
188
May
19.1
244
June
18.3
264
July
17.3
429
August
17.4
488
September
17.7
482
October
323
November
18.8
112
December
18.9
29