Climate averages 1991–2020
Fasā weather
in January.
A cool, moderately 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 Fasā: daytime highs average 12.8°C and nights cool to about 2.7°C. By daytime temperature it is the coolest month of the year.
Expect about 51 mm of rain on roughly 6 days, which makes January a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 31 min on an average January day.
The nearest other city in this atlas is Jahrom (49 km away). In January its highs average 15.6°C, 2.8°C warmer than Fasā, with 65 mm of rain.
Among the 128 cities listed in Iran, Fasā ranks 26th of 128 for the warmest January highs and 82nd of 128 for the driest January (rainfall, lowest first). The mean January high of those 128 cities is 8.6°C; Fasā is 4.2°C warmer than that mean.
From January to February, average highs rise by 2.3°C to 15.1°C, and monthly rainfall falls from 51 mm to 45 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
Fasā climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 12.8°C2.7°C | 2.7°C | 51 | 5.7 | 10.511 h |
| February | 15.1°C4.4°C | 4.4°C | 45 | 5.2 | 11.211 h |
| March | 19.4°C7.6°C | 7.6°C | 47 | 5.8 | 12.012 h |
| April | 25.5°C12.5°C | 12.5°C | 15 | 3.2 | 12.813 h |
| May | 32.3°C17.7°C | 17.7°C | 3.0 | 0.8 | 13.614 h |
| June | 36.9°C21.7°C | 21.7°C | 0.3 | 0.1 | 14.014 h |
| July | 38.2°C24.2°C | 24.2°C | 1.3 | 0.3 | 13.814 h |
| August | 37.2°C23.0°C | 23.0°C | 1.9 | 0.5 | 13.213 h |
| September | 33.7°C19.2°C | 19.2°C | 0.3 | 0.1 | 12.412 h |
| October | 28.0°C14.2°C | 14.2°C | 1.0 | 0.3 | 11.511 h |
| November | 20.3°C8.5°C | 8.5°C | 13 | 2.2 | 10.711 h |
| December | 15.5°C4.4°C | 4.4°C | 36 | 3.5 | 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
- Jahrom in JanuaryIran · 49 kmHigh 15.6°C · Low 5.7°C · 65 mm rain
- Dārāb in JanuaryIran · 89 kmHigh 14.0°C · Low 3.8°C · 60 mm rain
- Shiraz in JanuaryIran · 132 kmHigh 10.7°C · Low 1.0°C · 98 mm rain
- Marvdasht in JanuaryIran · 132 kmHigh 10.3°C · Low -2.0°C · 63 mm rain
- Shahr-e Ṣadrā in JanuaryIran · 147 kmHigh 8.6°C · Low -2.1°C · 82 mm rain
- Sirjan in JanuaryIran · 205 kmHigh 10.8°C · Low -0.6°C · 37 mm rain
- Kāzerūn in JanuaryIran · 208 kmHigh 14.3°C · Low 5.2°C · 112 mm rain
- Borāzjān in JanuaryIran · 239 kmHigh 19.0°C · Low 9.0°C · 73 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 Fasā) is explained once on the Fasā year overview and on the Sources, method and limits page.