Calvinia weather in December 2025

Expect daytime maximum temperatures of 84°F in Calvinia, South Africa in December based on long-term weather averages. There are 13 hours of sunshine per day on average.

  • 84°F maximum daytime temperature in December in Calvinia84
    84°F max day temperature
  • 13 hours of sunshine per day
  • 3 days with some rainfall in December in Calvinia3
    3 days with some rainfall
  • 52°F minimum night-time temperature in December in Calvinia52
    52°F min night temperature
  • 14 hours of daylight per day in December in Calvinia14
    14 hours of daylight per day
  • Moderate heat & humidity in December in CalviniaM
    Moderate heat & humidity
  • 0.4 inches monthly rainfall in December in Calvinia0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Calvinia11
    11+ (Extreme) UV index

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The December weather guide for South Africa (Calvinia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about South Africa

How hot is it in Calvinia in December?

Daytime temperatures usually reach 75°F in Calvinia in December, falling to 57°F at night.

How sunny is it in Calvinia in December?

There are normally 11 hours of bright sunshine each day in Calvinia in December - that's 74% of daylight hours.

How warm is the sea around Calvinia in December?

The average sea temperature around Calvinia in December is 64°F.

Does it rain in Calvinia in December?

There are usually 6 days with some rain in Calvinia in December and the average monthly rainfall is 1.7 inches.

Calvinia December sunrise & sunset times

Browse the sunrise and sunset times for Calvinia in December 2025. Select a month to view Calvinia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:29 19:31
Tuesday, 16th December 2025 05:31 19:42
Wednesday, 31st December 2025 05:39 19:49

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