Weather in Karaj

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Karaj experiences discomfort temperatures in January, February, November, and December, with minimum temperatures dropping below freezing in January and February.

• Comfortable temperatures are observed from April to October.

• July and August are the hottest months, with maximum temperatures exceeding 30°C.

• The temperature range is widest in July, with a difference of 12°C between the minimum and maximum.

Conditions

• In Karaj, there is a notable increase in sun hours leading into the summer months, peaking at 13.9 hours in June, while precipitation levels significantly decrease, particularly in July and August with mere 0.06mm and 0.04mm, respectively.

• Conversely, the winter months, such as January and December, exhibit lower sun hours (around 6.1-6.3 hours) along with higher precipitation levels, suggesting a wetter and cloudier season compared to the summer months. Overall, Karaj experiences a distinct seasonal variation with long, sunny summers and shorter, wetter winters.

Astronomy

• In Karaj, the earliest sunrise occurs in June at 05:50, while the latest sunrise is at 07:14 in January, indicating a significant variation in morning light throughout the year.

• The latest sunset takes place in June at 20:22, contrasting sharply with the earliest sunset at 16:54 in December, which results in the shortest day length of 9 hours and 46 minutes during winter.

• In June, the longest day stretches to 14 hours and 32 minutes, showcasing the extensive daylight hours experienced in summer compared to the starkly shorter winter days.