The climate differs a lot in different parts of Ecuador. The yearly average temperature in Ambato is 10°C49°F compared to Guayaquil where it is 25°C76°F.
One of the best areas for running, temperature-wise, should be around Cuenca. The temperature there seldom gets below 5°C40°F or over 20°C70°F. On the negative side, Cuenca gets a lot of rainfall.
More detailed information about the weather in Ecuador can be found on the page for each city.
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