The climate in Mertzon during October can be summarized as warm and reasonably dry.
October is in the fall / autumn in Mertzon and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 25.7°C 78.3°F | 
|---|---|
| Nightly temperature | 11.9°C 53.4°F | 
| Average temperature | 18.8°C 65.8°F | 
| Daily sunshine | 8.3 hrs | 
| Avg rainfall | 58 mm 2.3 ins | 
| Rainy days | 5 days | 
| Sea temperature | 24.2°C 75.5°F | 
| Humidity | 64% | 
| Windspeed | 16.2kph 10 mph | 
On average October is the 3rd wettest month of the year in Mertzon with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
				
						
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mertzon in October 2025.
Best places to visit in October
| Hottest month: | July | 34.8°C 94.6°F | 
|---|---|---|
| Driest month: | January | 20mm 0.8ins | 
| Sunniest month: | July | 10.9hrs | 
| Coldest month: | January | 13.6°C 56.5°F | 
| Wettest month: | September | 84mm 3.3ins |