Temperature
Cool by day, freezing at night.
53°Ftypical December high
Typical range
Cool days and plenty of sun.
Cool by day, freezing at night.
Rain is infrequent in December.
Plenty of sun this month.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 46° and nights feel near 28°.
Mostly clear skies this month.
Calm winds are typical in December.
December late afternoons are around 53°F, easing to about 45°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 50 | 28 | 0.6 | 3 | 9.1 | 52 |
| Feb | 57 | 32 | 0.5 | 3 | 10.1 | 43 |
| Mar | 66 | 40 | 0.6 | 4 | 10.7 | 36 |
| Apr | 76 | 50 | 0.4 | 3 | 11.7 | 32 |
| May | 86 | 59 | 0.2 | 2 | 12.4 | 26 |
| Jun | 96 | 67 | 0.0 | 0 | 12.9 | 17 |
| Jul | 100 | 72 | 0.0 | 0 | 12.9 | 17 |
| Aug | 98 | 68 | 0.0 | 0 | 12.9 | 18 |
| Sep | 91 | 60 | 0.0 | 0 | 11.5 | 20 |
| Oct | 79 | 50 | 0.1 | 1 | 10.6 | 29 |
| Nov | 63 | 38 | 0.6 | 3 | 9.3 | 47 |
| Dec | 53 | 31 | 0.5 | 3 | 8.6 | 55 |
Similar climates
Want a side-by-side climate view? Compare Isfahan with Shiraz.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology