Weather in Karaj Today
Current temperature in Karaj: 30°C (86°F). Sunny. Today's high 30°C (86°F), low 16°C (61°F).
Today's Daylight Forecast
Moon & Islamic Calendar
High UV apply sunscreen before heading out. A hat or sun umbrella is recommended during peak hours.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 23°C.
19 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Health & Activity Advice
UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.
Nearby Regional Outlook
Karaj Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Karaj?
The hottest month in Karaj is typically July, with daytime highs averaging around 36°C (97°F), based on 10 years of historical weather data. Overnight lows during this period average near 22°C (72°F). Take extra precautions during this time stay hydrated and avoid strenuous outdoor activity in peak afternoon heat.
What is the coldest month in Karaj?
The coldest month in Karaj is typically January, with overnight lows averaging around -2°C (28°F) and daytime highs near 7.7°C (46°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.
Does Karaj have a rainy season?
Karaj doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. March is the wettest month on average (about 64 mm), while August is the driest (about 0 mm).
What's the best time of year to visit Karaj?
The best time to visit Karaj is typically October, when daytime highs average a comfortable 22.9°C (73°F). Rainfall during this window averages around 20 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.