Porterville Weather - Climate
Porterville summers are dry with peak temparatures regularly above 35 deg C in January and February. The mercury rises above 45 deg C at least a few times during the year.
Late afternoons in summer are gererally unflyably windy as the area is affected by a northerly and a southerly sea-breeze.
Winters are mild with enough rain to support wheat and conola farming without any additional irrigation.
Winter flying is infrequent due to the regular passage of fronts as well as a very stable inversion that often sits at or below take-off. Ideal conditions for students.
Best flying months are November to March. Blue flying is very common.
Below are statistcal climate averages as measured by a Agromet weather station running since 1973 in Porterville. Data supplied by Agromet.
In South Africa the Pioneer Butterfly is also known as the African Caper White or Brown-Veined White.
It is well known during summer and autumn when large numbers migrate north-east over the interior. Such erratic migrations are probably more properly called ”eruptions”. When the population reaches a particularly high level and there's not enough food, the butterflies head off en masse to find new foraging grounds.
When they arrive in such large numbers the larvae remove all the leaves from thickets of Maerua and substantially change the vegetation dynamics of the areas they settle in.
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