Climate averages 1991–2020
Orūmīyeh weather
in December.
A cold, moderately wet month: the 10th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Orūmīyeh: daytime highs average 4.9°C and nights cool to about -3.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 40 mm of rain on roughly 7 days, which makes December a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 38 min on an average December day.
The nearest other city in this atlas is Yüksekova (70 km away). In December its highs average 1.4°C, 3.5°C cooler than Orūmīyeh, with 110 mm of precipitation.
Among the 128 cities listed in Iran, Orūmīyeh ranks joint 122nd of 128 for the warmest December highs and joint 69th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Orūmīyeh is 6.0°C cooler than that mean.
From December to January, average highs fall by 2.5°C to 2.4°C, and monthly rainfall rises from 40 mm to 41 mm.
The annual picture
December 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
Orūmīyeh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.4°C-5.6°C | -5.6°C | 41 | 6.6 | 9.910 h |
| February | 4.1°C-4.5°C | -4.5°C | 43 | 6.9 | 10.811 h |
| March | 9.3°C-0.6°C | -0.6°C | 59 | 8.9 | 11.912 h |
| April | 15.7°C4.6°C | 4.6°C | 47 | 8.2 | 13.113 h |
| May | 21.3°C9.9°C | 9.9°C | 41 | 8.4 | 14.214 h |
| June | 27.1°C15.2°C | 15.2°C | 13 | 2.7 | 14.715 h |
| July | 30.3°C19.2°C | 19.2°C | 5.9 | 1.4 | 14.514 h |
| August | 30.2°C19.1°C | 19.1°C | 4.7 | 1.4 | 13.614 h |
| September | 25.8°C14.7°C | 14.7°C | 9.0 | 2.2 | 12.512 h |
| October | 19.0°C9.2°C | 9.2°C | 26 | 4.9 | 11.311 h |
| November | 10.7°C2.2°C | 2.2°C | 41 | 6.9 | 10.210 h |
| December, selected | 4.9°C-3.0°C | -3.0°C | 40 | 7.0 | 9.610 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
December in nearby cities
- Yüksekova in DecemberTurkey · 70 kmHigh 1.4°C · Low -7.5°C · 110 mm precipitation
- Naqadeh in DecemberIran · 72 kmHigh 5.8°C · Low -3.9°C · 37 mm rain
- Salmās in DecemberIran · 77 kmHigh 4.3°C · Low -6.1°C · 27 mm rain
- Bonāb in DecemberIran · 90 kmHigh 6.6°C · Low -3.0°C · 27 mm rain
- Piranshahr in DecemberIran · 95 kmHigh 4.6°C · Low -2.6°C · 78 mm rain
- Sahand in DecemberIran · 101 kmHigh 4.1°C · Low -5.4°C · 25 mm rain
- Marāgheh (East Azerbaijan), Iran in DecemberIran · 104 kmHigh 5.2°C · Low -3.7°C · 47 mm rain
- Mahābād in DecemberIran · 105 kmHigh 6.9°C · Low -2.7°C · 41 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 Orūmīyeh) is explained once on the Orūmīyeh year overview and on the Sources, method and limits page.