December Weather Forecast
In the Ararat and Armavir regions, as well as the foothills of Aragatsotn and Kotayk, the average monthly temperature is expected to range from 0 to +10°C, which is 1-2 degrees higher than the long-term average. During the first ten days of the month, daytime temperatures may rise to +10 to +12°C, while a decline in temperature is anticipated in the third ten-day period, with nighttime temperatures dropping to -10 to -12°C (historically recorded minimums range from -27 to -32°C, and maximums from +18 to +22°C). Monthly precipitation is forecasted to be above normal (norm: 15-26 mm). Some days will experience fog.
In Shirak and Gegharkunik regions, as well as the mountainous areas of Aragatsotn and Kotayk, the average monthly temperature is expected to be between -4 and -6°C, which is also 1-2 degrees higher than the long-term average. The first ten days may see daytime temperatures rise to +5 to +8°C, with a decrease expected in the third ten days, bringing nighttime temperatures down to -20 to -25°C (historical minimums of -31 to -36°C and maximums of +15 to +18°C). Monthly rainfall is anticipated to exceed normal levels (norm: 18-55 mm). Fog may appear on certain days.
In Lori province, the average monthly temperature is forecasted to be between 0 and -2°C, also higher by 1-2 degrees than the long-term average. Daytime temperatures may rise to +10 to +14°C during the first decade, while declines are expected by the third decade, with nighttime temperatures falling to -17 to -20°C (historical minimums from -26 to -31°C and maximums from +19 to +21°C). Monthly precipitation is predicted to be higher than normal (norm: 19-20 mm).
In Tavush province, the average monthly temperature is projected to range from +1 to +3°C, exceeding the long-term average by 1-2 degrees. Daytime highs may reach +12 to +16°C in the first decade, while the third decade could bring nighttime lows of -5 to -10°C (historically, minimums of -15 to -20°C and maximums of +22 to +26°C). Monthly rainfall is expected to surpass normal levels (norm: 21-23 mm).
In Vayots Dzor province, the average monthly temperature is expected to be between 0 and +10°C in the foothill areas and from -4 to -6°C in mountainous areas, again being 1-2 degrees higher than the long-term average. Daytime temperatures in the first decade could rise to +10 to +13°C in the foothills and +4 to +7°C in the mountains, with nighttime temperatures in the third decade dropping to -10 to -12°C in the foothills and -17 to -20°C in the mountains (historical extremes: foothills between -22 to -23°C and mountain areas between -25 to -26°C). Monthly precipitation is predicted to be above normal (norm: 28-35 mm in foothills, 70-75 mm in mountainous regions).
In Syunik province, the average monthly temperature is anticipated to be +2 to +5°C in the valley areas and -1 to -3°C in the foothills, which is again 1-2 degrees above the long-term average. Daytime highs may reach +14 to +18°C in the valleys and +10 to +14°C in the foothills in the first ten days, while nighttime lows in the third ten days could range from -5 to -10°C in valleys and -15 to -18°C in foothills (historical extremes recorded are -14 to -18°C in valleys and -25 to -30°C in foothills). Monthly rainfall is expected to be above normal (norm: 15-27 mm in valleys, 19-54 mm in foothills).
In Yerevan, the average monthly temperature is projected to be +1 to +2°C, which is 1-2 degrees higher than the long-term average. The first ten days may experience daytime highs of +10 to +12°C, while nighttime lows in the third decade could drop to -11 to -13°C (historical minimums of -29.8°C and maximums of +22°C). Monthly precipitation is forecasted to be above normal (norm: 25-30 mm). Fog is likely to appear on certain days.