December Weather Forecast and Climate Characteristics
Ararat and Armavir Regions - foothills of Aragatsotn and Kotayk
The average monthly temperature is forecasted to be between 0°C and -10°C, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +10°C to +13°C, while a decrease in temperature is expected during the third decade at night, dropping to -10°C to -13°C (historical minimum observed is -27°C to -32°C, maximum is +18°C to +22°C). Monthly precipitation is expected to be above normal (the norm is 15-26 mm). Fog may be observed on certain days.
Shirak, Gegharkunik Regions, and mountainous areas of Aragatsotn and Kotayk
The average monthly temperature is forecasted to be between -5°C and -7°C, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +2°C to +7°C, while a decrease in temperature is expected during the third decade at night, dropping to -20°C to -25°C (historical minimum observed is -31°C to -36°C, maximum is +15°C to +18°C). Monthly precipitation is expected to be above normal (the norm is 18-55 mm). Fog may be observed on certain days.
Lori Region
The average monthly temperature is forecasted to be between -1°C and -3°C, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +5°C to +10°C, while a decrease in temperature during the third decade at night is expected to drop to -18°C to -22°C (historical minimum observed is -26°C to -31°C, maximum is +19°C to +21°C). Monthly precipitation is expected to be above normal (the norm is 19-20 mm).
Tavush Region
The average monthly temperature is forecasted to be between 0°C and +2°C, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +10°C to +15°C, while a decrease in temperature during the third decade at night is expected to drop to -10°C to -13°C (historical minimum observed is -15°C to -20°C, maximum is +22°C to +26°C). Monthly precipitation is expected to be above normal (the norm is 21-23 mm).
Vayots Dzor Region
The average monthly temperature is forecasted to be between 0°C and -1°C in the foothill areas and between -5°C and -7°C in the mountainous areas, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +10°C to +13°C in the foothills and 0°C to +5°C in the mountains; during the third decade, the temperature is expected to drop at night to -10°C to -12°C in the foothills and -18°C to -20°C in the mountains (historical minimum observed in foothills is -22°C to -23°C, maximum is +18°C to +19°C, minimum in the mountains is -25°C to -26°C, maximum is +14°C to +15°C). Monthly precipitation is expected to be above normal (the norm is 28-35 mm in foothill areas and 70-75 mm in mountainous areas).
Syunik Region
The average monthly temperature is forecasted to be between +1°C and +4°C in the valley areas and between -3°C and -5°C in the foothill regions, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +12°C to +15°C in the valleys and +7°C to +10°C in the foothills; during the third decade, nighttime temperatures are expected to drop to -10°C to -12°C in the valleys and -15°C to -18°C in the foothills (historical minimum observed in valleys is -14°C to -18°C, maximum is +25°C to +26°C, minimum in foothills is -25°C to -30°C, maximum is +20°C to +23°C). Monthly precipitation is expected to be above normal (the norm is 15-27 mm in valley areas and 19-54 mm in foothill regions).
Yerevan City
The average monthly temperature is forecasted to be between -1°C and +1°C, which is close to the multi-year average. During the first decade of the month, daytime temperatures may rise to +10°C to +12°C; during the third decade, nighttime temperatures are expected to drop to -10°C to -12°C (historical minimum observed is -29.8°C, maximum is +22°C). Monthly precipitation is expected to be above normal (the norm is 25-30 mm). Fog may be observed on certain days.