Climate averages 1991–2020
Shiraz weather
in January.
A cool, wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Shiraz: daytime highs average 10.7°C and nights cool to about 1.0°C. By daytime temperature it is the coolest month of the year.
Expect about 98 mm of rain on roughly 8 days, which makes January a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 28 min on an average January day.
The nearest other city in this atlas is Shahr-e Ṣadrā (21 km away). In January its highs average 8.6°C, 2.1°C cooler than Shiraz, with 82 mm of rain.
Among the 128 cities listed in Iran, Shiraz ranks 38th of 128 for the warmest January highs and 111th of 128 for the driest January (rainfall, lowest first). The mean January high of those 128 cities is 8.6°C; Shiraz is 2.1°C warmer than that mean.
From January to February, average highs rise by 2.5°C to 13.2°C, and monthly rainfall falls from 98 mm to 71 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Shiraz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 10.7°C1.0°C | 1.0°C | 98 | 7.5 | 10.510 h |
| February | 13.2°C2.7°C | 2.7°C | 71 | 6.9 | 11.111 h |
| March | 17.4°C6.0°C | 6.0°C | 75 | 7.6 | 12.012 h |
| April | 23.1°C11.1°C | 11.1°C | 36 | 5.7 | 12.913 h |
| May | 30.0°C16.8°C | 16.8°C | 7.6 | 2.2 | 13.614 h |
| June | 35.4°C21.4°C | 21.4°C | 0.4 | 0.1 | 14.014 h |
| July | 37.2°C23.8°C | 23.8°C | 0.7 | 0.2 | 13.814 h |
| August | 36.1°C23.4°C | 23.4°C | 0.8 | 0.2 | 13.213 h |
| September | 32.4°C20.0°C | 20.0°C | 0.5 | 0.2 | 12.412 h |
| October | 26.5°C15.2°C | 15.2°C | 3.3 | 1.0 | 11.511 h |
| November | 18.8°C8.8°C | 8.8°C | 34 | 4.1 | 10.711 h |
| December | 13.7°C4.1°C | 4.1°C | 69 | 5.2 | 10.310 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Shahr-e Ṣadrā in JanuaryIran · 21 kmHigh 8.6°C · Low -2.1°C · 82 mm rain
- Marvdasht in JanuaryIran · 39 kmHigh 10.3°C · Low -2.0°C · 63 mm rain
- Kāzerūn in JanuaryIran · 85 kmHigh 14.3°C · Low 5.2°C · 112 mm rain
- Fasā in JanuaryIran · 132 kmHigh 12.8°C · Low 2.7°C · 51 mm rain
- Borāzjān in JanuaryIran · 133 kmHigh 19.0°C · Low 9.0°C · 73 mm rain
- Yasuj in JanuaryIran · 149 kmHigh 6.2°C · Low -4.4°C · 170 mm rain
- Jahrom in JanuaryIran · 159 kmHigh 15.6°C · Low 5.7°C · 65 mm rain
- Bushehr in JanuaryIran · 179 kmHigh 18.1°C · Low 13.5°C · 75 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Shiraz) is explained once on the Shiraz year overview and on the Sources, method and limits page.