St Clears Temperature by Month
The average annual maximum temperature in St Clears, Dyfed, United Kingdom is 14°C (57°F), with daytime highs ranging from 9°C (48°F) in February to 20°C (68°F) in July. This page covers monthly averages, day-night differences, and how St Clears compares to cities worldwide.
St Clears Monthly Temperatures
The moderate changes in the climate in St Clears ensure gradual weather shifts through each season. At night, temperatures drop to between 13°C (55°F) and 4°C (39°F) depending on the time of year.
The chart below illustrates the average maximum day and minimum night temperatures in St Clears 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.
The chart below shows the average temperature throughout the year:
Temperature: St Clears vs the United Kingdom
The map below shows the annual temperature across the United Kingdom. You can also select individual months if you want to compare a specific time of year.
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St Clears vs World: Temperature Compared
St Clears'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:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.
Beijing, China averages 20°C (68°F) annually, but with big seasonal swings — very cold winters and hot summers.
Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate — hot dry summers and mild wet winters.
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 St Clears this rarely lasts long on the ground.
For more on St Clears's weather — including monthly rainfall, sunshine hours, and humidity — visit our St Clears climate page.
