Portobello Temperature by Month
Portobello, Otago, New Zealand has an average annual maximum temperature of 14°C (57°F), with moderate seasonal shifts ranging from 11°C (52°F) in July to 18°C (64°F) in February. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Portobello Monthly Temperatures
Portobello sees moderate fluctuations in temperatures, making each season distinct yet not extreme. Nights are considerably cooler, with lows ranging from 11°C (52°F) in February to 4°C (39°F) in July.
The chart below illustrates the average maximum day and minimum night temperatures in Portobello by month:
Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating. February, the warmest month of the year, receives 165 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Portobello vs New Zealand
The map below shows the annual temperature across New Zealand. You can also select individual months if you want to compare a specific time of year.
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Portobello vs World: Temperature Compared
Portobello's average annual maximum temperature is 14°C (57°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.
San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation — summers are often cool and foggy, winters mild.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
What Does the Temperature Feel Like in Portobello?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Portobello, July is the coolest month, with average highs of 11°C (52°F) and humidity around 80% — considered very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Portobello this rarely lasts long on the ground.
For more on Portobello's weather — including monthly rainfall, sunshine hours, and humidity — visit our Portobello climate page.
