The climate in Otta during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Otta and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cold 4°C (40°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 4.4°C 39.8°F | 
|---|---|
| Nightly temperature | -0.8°C 30.7°F | 
| Average temperature | 1.8°C 35.2°F | 
| Daily sunshine | 3 hrs | 
| Avg rainfall | 48 mm 1.9 ins | 
| Rainy days | 14 days | 
| Sea temperature | 11.1°C 52°F | 
| Humidity | 82% | 
| Windspeed | 18kph 11 mph | 
On average October is the 5th wettest month of the year in Otta with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 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 Otta in October 2025.
Best places to visit in October
| Hottest month: | July | 15.2°C 59.4°F | 
|---|---|---|
| Driest month: | April | 22mm 0.9ins | 
| Sunniest month: | May | 7.9hrs | 
| Coldest month: | January | -7.1°C 19.2°F | 
| Wettest month: | July | 74mm 2.9ins |