Monthly climate guide
Karaj weather in July
July in Karaj is typically warm, with average daytime highs around 27°C (80°F) and night-time lows near 14°C (58°F). The month usually brings about 27 mm of rain (fairly dry) and is mostly sunny. Daytime highs are 3°C warmer than June and about the same as August.
What stands out in July
- Afternoons and nights feel like different seasons, roughly 13°C apart.
- Karaj is usually about 11°C cooler than Tehran, 40 km away, in July.
- Seasonally, July counts as mid-summer in Karaj.
- It's one of the drier months, with about 49% less rain than Karaj's average.
July is typically Karaj's warmest month.
Avg high
27°C
80°F
Avg low
14°C
58°F
Rainfall
27 mm
fairly dry
Humidity
42%
relative
Sky
32%
cloud · mostly sunny
Karaj weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -1°C / 30°F | -10°C / 14°F | 54 mm | 78% | 48% |
| February | 0°C / 32°F | -9°C / 15°F | 61 mm | 77% | 50% |
| March | 5°C / 41°F | -4°C / 24°F | 58 mm | 71% | 56% |
| April | 11°C / 52°F | 1°C / 33°F | 45 mm | 66% | 54% |
| May | 18°C / 64°F | 6°C / 43°F | 16 mm | 57% | 44% |
| June | 24°C / 76°F | 11°C / 52°F | 13 mm | 44% | 26% |
| July | 27°C / 80°F | 14°C / 58°F | 27 mm | 42% | 32% |
| August | 26°C / 79°F | 14°C / 56°F | 27 mm | 42% | 20% |
| September | 22°C / 71°F | 10°C / 49°F | 56 mm | 46% | 21% |
| October | 14°C / 57°F | 4°C / 39°F | 110 mm | 61% | 34% |
| November | 5°C / 41°F | -4°C / 26°F | 105 mm | 75% | 50% |
| December | 1°C / 34°F | -8°C / 18°F | 59 mm | 76% | 43% |
What to pack for July
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is July a good time to visit Karaj?
Compare the months in the chart above to find your ideal window.
Best time to visit Karaj →Other Iran cities in July
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Karaj weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/iran/karaj/july
<a href="https://weathercompare.eu/weather/iran/karaj/july">Karaj weather in July</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/iran/karaj" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Karaj weather in July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/iran/karaj/july">Karaj weather in July</a> – WeatherCompare</p>
Karaj in July: quick answers
Is July a good time to visit Karaj?
Yes. July is one of the best months for Karaj, with highs around 27°C and about 27 mm of rain.
How warm is Karaj in July?
Average highs are about 27°C (80°F) and average lows about 14°C (58°F), based on 10 years of daily data.
Does it rain a lot in Karaj in July?
Karaj typically gets around 27 mm of rain in July — fairly dry.
Figures are long-term averages for the area around Karaj (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.