Karaj weather in December
In December, Karaj sees average daytime highs of 8°C and overnight lows near -1°C, with 37 mm of precipitation across 7 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 9°C in the first days to 7°C by the end. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Karaj's 10th-clearest and 12th-windiest month. For the whole year in context, see Karaj's year-round climate.
- Daytime high
- 8°
- 10th warmest
- Overnight low
- -1°
- 3rd coldest
- Precipitation
- 37 mm
- 7 wet days
- Daylight
- 9 h 36 min
- 7:15 AM – 4:50 PM
- Cloud cover
- 40%
- 10th clearest
- Wind
- 6 km/h
- 12th windiest
- Solar energy
- 2.74 kWh/m²
- Travel score
- 1.3
- out of 10
Karaj is city in Alborz Province, Iran.
- Air quality
- High
- PM2.5 26.4 µg/m³ · 2020
- Density
- 8,939/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 9°C in the first days to 7°C by the end.
A typical December day in Karaj reaches about 8°C in the afternoon and slips back to -1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg low (°C) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -3 | -3 | -3 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 9 | 0 |
| 2 | 9 | 0 |
| 3 | 9 | 0 |
| 4 | 9 | 0 |
| 5 | 9 | 0 |
| 6 | 8 | 0 |
| 7 | 8 | 0 |
| 8 | 8 | -1 |
| 9 | 8 | -1 |
| 10 | 8 | -1 |
| 11 | 8 | -1 |
| 12 | 8 | -1 |
| 13 | 8 | -1 |
| 14 | 8 | -1 |
| 15 | 7 | -1 |
| 16 | 7 | -2 |
| 17 | 7 | -2 |
| 18 | 7 | -2 |
| 19 | 7 | -2 |
| 20 | 7 | -2 |
| 21 | 7 | -2 |
| 22 | 7 | -2 |
| 23 | 7 | -2 |
| 24 | 7 | -2 |
| 25 | 7 | -2 |
| 26 | 7 | -2 |
| 27 | 7 | -2 |
| 28 | 7 | -2 |
| 29 | 7 | -3 |
| 30 | 7 | -3 |
| 31 | 7 | -3 |
How December really feels in Karaj
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is cold — wind chill drags the overnight "feels like" below the raw low.
Karaj weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 5° / -4° | 37 | 7.1 | 4.3 | 9.8 | 0.2 |
| Feb | 7° / -2° | 39 | 7.7 | 3.5 | 10.6 | 1.2 |
| Mar | 13° / 3° | 48 | 9 | 1.3 | 11.7 | 3.7 |
| Apr | 19° / 8° | 42 | 7.6 | 0.3 | 12.9 | 6.5 |
| May | 26° / 14° | 15 | 3.5 | 0 | 13.9 | 7.9 |
| Jun | 32° / 19° | 3 | 0.7 | 0 | 14.4 | 5.3 |
| Jul | 35° / 22° | 1 | 0.3 | 0 | 14.2 | 3.4 |
| Aug | 34° / 21° | 2 | 0.2 | 0 | 13.4 | 4.2 |
| Sep | 29° / 16° | 2 | 0.4 | 0 | 12.2 | 7.3 |
| Oct | 22° / 10° | 14 | 2.8 | 0 | 11.1 | 8.4 |
| Nov | 13° / 4° | 35 | 6.1 | 0.7 | 10.1 | 4.2 |
| Dec | 8° / -1° | 37 | 7 | 2.6 | 9.6 | 1.3 |
Cloud cover in December
The sky is clear or mostly clear about 54% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 32%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 66 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 64 | 64 | 64 | 64 | 66 | 66 | 66 | 67 | 68 | 68 | 69 | 70 | 70 | 70 | 71 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 |
| Cloudier (%) | 34 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 36 | 36 | 36 | 36 | 34 | 34 | 34 | 33 | 32 | 32 | 31 | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 65 | 35 |
| 3 | 65 | 35 |
| 4 | 64 | 36 |
| 5 | 64 | 36 |
| 6 | 64 | 36 |
| 7 | 63 | 37 |
| 8 | 63 | 37 |
| 9 | 64 | 36 |
| 10 | 64 | 36 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 66 | 34 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 67 | 33 |
| 17 | 68 | 32 |
| 18 | 68 | 32 |
| 19 | 69 | 31 |
| 20 | 70 | 30 |
| 21 | 70 | 30 |
| 22 | 70 | 30 |
| 23 | 71 | 29 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 72 | 28 |
| 27 | 71 | 29 |
| 28 | 71 | 29 |
| 29 | 71 | 29 |
| 30 | 71 | 29 |
| 31 | 71 | 29 |
Chance of precipitation in December
Karaj gets around 37 mm of rain and snow over 7 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 22% and peaks near 25% on the wettest days, and about 3 days bring snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 |
| Snow chance (%) | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 23 | 5 |
| 2 | 24 | 6 |
| 3 | 24 | 6 |
| 4 | 24 | 6 |
| 5 | 24 | 7 |
| 6 | 25 | 7 |
| 7 | 25 | 8 |
| 8 | 25 | 8 |
| 9 | 25 | 8 |
| 10 | 25 | 9 |
| 11 | 25 | 9 |
| 12 | 25 | 9 |
| 13 | 25 | 9 |
| 14 | 24 | 9 |
| 15 | 24 | 9 |
| 16 | 24 | 9 |
| 17 | 23 | 9 |
| 18 | 23 | 9 |
| 19 | 22 | 9 |
| 20 | 22 | 9 |
| 21 | 21 | 9 |
| 22 | 21 | 9 |
| 23 | 20 | 9 |
| 24 | 20 | 9 |
| 25 | 19 | 9 |
| 26 | 19 | 9 |
| 27 | 19 | 9 |
| 28 | 19 | 9 |
| 29 | 19 | 9 |
| 30 | 19 | 10 |
| 31 | 20 | 10 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in December
Winds average 6 km/h in December, the calmest month.
Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in December
Daylight runs from about 9 h 42 min at the start of December to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:03 AM to 7:21 AM, and sunset from 4:48 PM to 4:57 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 |
| Sunrise (AM) | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:08 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:13 | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 | 7:17 | 7:18 | 7:18 | 7:18 | 7:19 | 7:19 | 7:20 | 7:20 | 7:20 | 7:21 | 7:21 | 7:21 |
| Sunset (PM) | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:48 | 4:49 | 4:49 | 4:49 | 4:49 | 4:50 | 4:50 | 4:50 | 4:51 | 4:51 | 4:52 | 4:52 | 4:53 | 4:53 | 4:54 | 4:54 | 4:55 | 4:55 | 4:56 | 4:57 | 4:57 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.7 | 7:03 | 4:48 |
| 2 | 9.7 | 7:04 | 4:48 |
| 3 | 9.7 | 7:05 | 4:48 |
| 4 | 9.7 | 7:06 | 4:48 |
| 5 | 9.7 | 7:07 | 4:48 |
| 6 | 9.7 | 7:08 | 4:48 |
| 7 | 9.7 | 7:08 | 4:48 |
| 8 | 9.6 | 7:09 | 4:48 |
| 9 | 9.6 | 7:10 | 4:48 |
| 10 | 9.6 | 7:11 | 4:48 |
| 11 | 9.6 | 7:11 | 4:48 |
| 12 | 9.6 | 7:12 | 4:49 |
| 13 | 9.6 | 7:13 | 4:49 |
| 14 | 9.6 | 7:13 | 4:49 |
| 15 | 9.6 | 7:14 | 4:49 |
| 16 | 9.6 | 7:15 | 4:50 |
| 17 | 9.6 | 7:15 | 4:50 |
| 18 | 9.6 | 7:16 | 4:50 |
| 19 | 9.6 | 7:16 | 4:51 |
| 20 | 9.6 | 7:17 | 4:51 |
| 21 | 9.6 | 7:18 | 4:52 |
| 22 | 9.6 | 7:18 | 4:52 |
| 23 | 9.6 | 7:18 | 4:53 |
| 24 | 9.6 | 7:19 | 4:53 |
| 25 | 9.6 | 7:19 | 4:54 |
| 26 | 9.6 | 7:20 | 4:54 |
| 27 | 9.6 | 7:20 | 4:55 |
| 28 | 9.6 | 7:20 | 4:55 |
| 29 | 9.6 | 7:21 | 4:56 |
| 30 | 9.6 | 7:21 | 4:57 |
| 31 | 9.6 | 7:21 | 4:57 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.74 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 7.89 kWh/m² in June across the year — December's 2.74 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.8 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.9 | 2.9 | 2.9 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.8 | Moderate |
| 2 | 2.8 | Moderate |
| 3 | 2.8 | Moderate |
| 4 | 2.8 | Moderate |
| 5 | 2.7 | Moderate |
| 6 | 2.7 | Moderate |
| 7 | 2.7 | Moderate |
| 8 | 2.7 | Moderate |
| 9 | 2.7 | Moderate |
| 10 | 2.7 | Moderate |
| 11 | 2.7 | Moderate |
| 12 | 2.7 | Moderate |
| 13 | 2.7 | Moderate |
| 14 | 2.7 | Moderate |
| 15 | 2.7 | Moderate |
| 16 | 2.7 | Moderate |
| 17 | 2.7 | Moderate |
| 18 | 2.7 | Moderate |
| 19 | 2.8 | Moderate |
| 20 | 2.8 | Moderate |
| 21 | 2.8 | Moderate |
| 22 | 2.8 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Is December a good time to visit Karaj?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Karaj.
What to pack for Karaj in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Karaj sees daytime highs around 8°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.
UV index in Karaj in December
Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Karaj peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 7 | 10 | 10 | 11 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Karaj in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Karaj is worst in December — around 42 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (July, 13 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Karaj's WHO annual average of 26.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 42 | 37 | 29 | 26 | 21 | 15 | 13 | 14 | 18 | 25 | 33 | 42 |
| Level | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 37 | Poor |
| Mar | 29 | Moderate |
| Apr | 26 | Moderate |
| May | 21 | Moderate |
| Jun | 15 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 18 | Moderate |
| Oct | 25 | Moderate |
| Nov | 33 | Moderate |
| Dec | 42 | Poor |
Where is Karaj?
Karaj sits at 35.8°N, 51.0°E, 1,341 m above sea level, in Iran. The nearest listed city is Shahrak-e Mohandesī-ye Zerā‘ī, 7.0 km away.
Topography around Karaj
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Karaj.
Within 3 km, the terrain around Karaj has large variations in elevation — a maximum elevation change of 618 m around an average of 1,389 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,084 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,367 m.
The land around Karaj is covered by artificial surfaces (80%) within 3 km, grassland (34%), artificial surfaces (26%) and bare terrain (25%) within 16 km, and grassland (38%) and bare terrain (32%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Karaj (35.8327°, 50.9915°, elevation 1,341 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).