The climate in Karaj during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Karaj and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 21.1°C 69.9°F |
|---|---|
| Nightly temperature | 9°C 48.1°F |
| Average temperature | 15°C 59°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 37 mm 1.4 ins |
| Rainy days | 7 days |
| Sea temperature | 23.9°C 75°F |
| Humidity | 42% |
| Windspeed | 7.2kph 5 mph |
On average October is the 6th wettest month of the year in Karaj with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 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 Karaj in October 2025.
Best places to visit in October
| Hottest month: | July | 33.2°C 91.8°F |
|---|---|---|
| Driest month: | July | 8mm 0.3ins |
| Sunniest month: | September | 10.2hrs |
| Coldest month: | January | 3.9°C 39°F |
| Wettest month: | March | 48mm 1.9ins |