Climate guideThirty-year normals for Sirjan
Sirjan climate by month
Cold semi-arid · BSkBest Apr · Oct–Nov
Annual mean17°day and night
Seasonal swing23°warmest vs coolest
Precipitation189 mm28 wet days a year
29.45° N, 55.68° EElevation 1,744 mUTC+3:30 · Iran Standard Time
When to goSirjan · weather score
Best timeApr · Oct–Nov
October: high / low25° / 12°
iSummary
What the weather is like
Sirjan has a cold semi-arid climate (Köppen BSk): little rain, large day–night swings and strong sunshine.
The warmest month is July, when afternoons average 36° and nights 21°. January is the coolest month, with highs of 11° and lows of -1°. The difference between the warmest and the coolest month is about 23°, a large swing typical of continental interiors.
About 189 mm of precipitation falls in an average year. March is the wettest month (44 mm, 5 wet days) and June the driest (1 mm, 0 wet days). Cloud cover ranges from 2% in September to 24% in March.
Compared with Tehran, the capital, Sirjan is 0.4° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 36° · July
- Coldest nights
- -1° · January
- Wettest month
- March
- Driest month
- June
- Clearest skies
- September · 2% cloud
- Longest day
- 14 h 01 min
- Shortest day
- 10 h 16 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 | 11° | 14° | 18° | 24° | 30° | 35° | 36° | 35° | 31° | 25° | 19° | 13° |
| Average low | -1° | 1° | 5° | 10° | 16° | 20° | 21° | 20° | 17° | 12° | 6° | 2° |
| Precipitation | 41 mm | 33 mm | 44 mm | 16 mm | 7 mm | 1 mm | 1 mm | 1 mm | 0 mm | 2 mm | 8 mm | 35 mm |
| Wet days (≥1 mm) | 4 | 2.7 | 5.3 | 4.7 | 2.2 | 0.2 | 1.8 | 1.8 | 0.2 | 0.3 | 1.8 | 3.2 |
| Cloud cover | 23% | 20% | 24% | 23% | 12% | 5% | 6% | 4% | 2% | 5% | 15% | 21% |
| Daylight | 10h 27 | 11h 09 | 11h 57 | 12h 52 | 13h 37 | 14h 01 | 13h 52 | 13h 13 | 12h 22 | 11h 30 | 10h 42 | 10h 16 |
| Month score | 53 | 71 | 86 | 89 | 74 | 60 | 54 | 56 | 75 | 99 | 96 | 67 |
ivMonth by month
Sirjan in every month
January53
11° / -1°
41 mm · 4 wet days
February71
14° / 1°
33 mm · 2.7 wet days
March86
18° / 5°
44 mm · 5.3 wet days
April89
24° / 10°
16 mm · 4.7 wet days
May74
30° / 16°
7 mm · 2.2 wet days
June60
35° / 20°
1 mm · 0.2 wet days
July54
36° / 21°
1 mm · 1.8 wet days
August56
35° / 20°
1 mm · 1.8 wet days
September75
31° / 17°
0 mm · 0.2 wet days
October99
25° / 12°
2 mm · 0.3 wet days
November96
19° / 6°
8 mm · 1.8 wet days
December67
13° / 2°
35 mm · 3.2 wet days