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Porterville (CA) Weather and Climate: A Comprehensive Guide

The temperature in Porterville can vary greatly throughout the year. The temperatures shift from very hot to mild. It typically sees modest rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very hot to moderate in Porterville. Average daytime temperatures reach a very hot 37°C in July. In December, the coolest month of the year, temperatures drop to a moderate 14°C.

At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

With annual rain/snowfall averaging 260 mm, Porterville maintains relatively low precipitation levels throughout the seasons. Porterville can be quite wet during December, receiving approximately 57 mm of precipitation over 9 rainy days.

In contrast August, experiences much drier conditions, with 0.2 mm of rainfall, spread across 0 rainy days. For more details, please visit our Porterville Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Porterville (CA)

Fri   Dec 27
18°C | 8°C
N 2 m/s
5.2 mm
partly cloudy and slight rain

partly cloudy and slight rain

Sat   Dec 28
16°C | 6°C
SE 2 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
17°C | 6°C
SW 3 m/s
0.7 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

The best time of year to visit Porterville in the United States of America

During the months of March and April you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Porterville have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Porterville?
    July has an average maximum temperature of 37°C and is the warmest month of the year.
  • Which is the coldest month in Porterville?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in Porterville?
    December tops the wettest month list with 57 mm of rainfall.
  • Which is the driest month in Porterville?
    August is the driest month with 0 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.