Photo: Alireza Javaheri · CC BY 3.0 · Wikimedia Commons
HamadanReport this photo · linked, not stored
HamadanReport this photo · linked, not stored
Climate guideThirty-year normals for Hamadan
Hamadan climate by month
Hot, dry-summer continental · DsaBest May · Sep–Oct
Annual mean12°day and night
Seasonal swing29°warmest vs coolest
Precipitation385 mm46 wet days a year
34.80° N, 48.51° EElevation 1,820 mUTC+3:30 · Iran Standard Time
When to goHamadan · weather score
Best timeMay · Sep–Oct
October: high / low21° / 8°
iSummary
What the weather is like
Hamadan has a hot, dry-summer continental climate (Köppen Dsa): dry summers and cold winters.
The warmest month is July, when afternoons average 33° and nights 19°. January is the coolest month, with highs of 2° and lows of -7°. The difference between the warmest and the coolest month is about 29°, a large swing typical of continental interiors.
About 385 mm of precipitation falls in an average year. March is the wettest month (67 mm, 8 wet days) and July the driest (3 mm, 0 wet days). Cloud cover ranges from 3% in September to 29% in January.
Compared with Tehran, the capital, Hamadan is 1.9° cooler on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 33° · July
- Coldest nights
- -7° · January
- Wettest month
- March
- Driest month
- July
- Clearest skies
- September · 3% cloud
- Longest day
- 14 h 29 min
- Shortest day
- 9 h 50 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 2° | 3° | 9° | 16° | 22° | 29° | 33° | 33° | 28° | 21° | 12° | 5° |
| Average low | -7° | -6° | -2° | 4° | 9° | 15° | 19° | 18° | 14° | 8° | 2° | -4° |
| Precipitation | 44 mm | 54 mm | 67 mm | 58 mm | 31 mm | 4 mm | 3 mm | 1 mm | 1 mm | 28 mm | 48 mm | 46 mm |
| Wet days (≥1 mm) | 5 | 7 | 8.3 | 6.5 | 4.8 | 0.7 | 0 | 0 | 0.3 | 1 | 7.2 | 5.5 |
| Cloud cover | 29% | 27% | 28% | 26% | 19% | 5% | 6% | 7% | 3% | 14% | 23% | 28% |
| Daylight | 10h 04 | 10h 56 | 11h 56 | 13h 03 | 13h 58 | 14h 29 | 14h 17 | 13h 29 | 12h 26 | 11h 21 | 10h 22 | 9h 50 |
| Month score | 46 | 42 | 38 | 76 | 89 | 80 | 65 | 67 | 87 | 98 | 52 | 45 |
ivMonth by month
Hamadan in every month
January46
2° / -7°
44 mm · 5 wet days
February42
3° / -6°
54 mm · 7 wet days
March38
9° / -2°
67 mm · 8.3 wet days
April76
16° / 4°
58 mm · 6.5 wet days
May89
22° / 9°
31 mm · 4.8 wet days
June80
29° / 15°
4 mm · 0.7 wet day
July65
33° / 19°
3 mm · 0 wet days
August67
33° / 18°
1 mm · 0 wet days
September87
28° / 14°
1 mm · 0.3 wet days
October98
21° / 8°
28 mm · 1 wet day
November52
12° / 2°
48 mm · 7.2 wet days
December45
5° / -4°
46 mm · 5.5 wet days