Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Bayan features a cold semi-arid climate (BSk).Temperatures typically range between -19 °C (-3 °F) and 21 °C (71 °F) through the year, but rarely can drop to -36 °C (-32 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 316 mm (12.4 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually.Bayan enjoys an average of 3601 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.
The warmest months in Bayan are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-3 - 3 °F) throughout the day. On average each year, Bayan experiences 48 days above 25 °C (77.0 °F) and 187 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 1°C (34°F) | 5°C (41°F) | 22°C (71°F) | 31°C (87°F) | 35°C (95°F) | 36°C (98°F) | 37°C (98°F) | 34°C (93°F) | 32°C (90°F) | 25°C (77°F) | 12°C (53°F) | 3°C (37°F) |
Mean maximum | -5°C (23°F) | 1°C (33°F) | 16°C (60°F) | 26°C (79°F) | 32°C (90°F) | 32°C (90°F) | 34°C (94°F) | 30°C (87°F) | 27°C (81°F) | 20°C (68°F) | 10°C (51°F) | -2°C (28°F) |
Average high | -14°C (8°F) | -9°C (16°F) | 2°C (37°F) | 12°C (54°F) | 19°C (67°F) | 25°C (77°F) | 27°C (81°F) | 23°C (73°F) | 19°C (67°F) | 9°C (49°F) | -3°C (28°F) | -12°C (11°F) |
Daily mean | -19°C (-3°F) | -16°C (3°F) | -5°C (24°F) | 5°C (41°F) | 13°C (55°F) | 19°C (66°F) | 21°C (71°F) | 18°C (64°F) | 13°C (55°F) | 2°C (37°F) | -8°C (17°F) | -17°C (2°F) |
Average low | -24°C (-11°F) | -22°C (-7°F) | -11°C (12°F) | -2°C (28°F) | 5°C (42°F) | 12°C (54°F) | 16°C (60°F) | 13°C (55°F) | 6°C (44°F) | -3°C (27°F) | -13°C (9°F) | -21°C (-5°F) |
Mean minimum | -31°C (-24°F) | -32°C (-25°F) | -20°C (-4°F) | -9°C (16°F) | -3°C (27°F) | 5°C (42°F) | 10°C (51°F) | 6°C (43°F) | -1°C (31°F) | -9°C (16°F) | -23°C (-10°F) | -30°C (-21°F) |
Minimum | -35°C (-31°F) | -35°C (-31°F) | -24°C (-11°F) | -11°C (13°F) | -5°C (24°F) | 3°C (37°F) | 8°C (47°F) | -1°C (30°F) | -5°C (24°F) | -11°C (12°F) | -31°C (-23°F) | -36°C (-32°F) |
Compare temperature, precipitation, sunshine, UV index in Bayan, East Aimak, Mongolia with other places around the world.
Bayan usually has the most precipitation in June, July and August, with an average of 10 rainy days and 65 mm (2.6 inches) of precipitation per month.The driest months in Bayan are January, February and December. On average, 4 mm (0.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 2 (0.1) | 5 (0.2) | 6 (0.2) | 11 (0.4) | 25 (1.0) | 41 (1.6) | 74 (2.9) | 80 (3.1) | 39 (1.6) | 21 (0.8) | 8 (0.3) | 4 (0.1) |
Average precipitation days (≥ 1 mm) | 0 | 1 | 1 | 2 | 6 | 6 | 12 | 12 | 7 | 3 | 2 | 1 |
The sunniest months in Bayan are May, June and July, when the sun shines an average of 11 hours 45 minutes a day.Least sunny months in Bayan: January, November and December receive an average of 7 hours 40 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 203 | 263 | 316 | 324 | 354 | 360 | 366 | 324 | 301 | 283 | 253 | 249 |
Mean daily daylight hours | 8h 51m | 10h 12m | 11h 54m | 13h 39m | 15h 9m | 15h 56m | 15h 32m | 14h 12m | 12h 32m | 10h 48m | 9h 15m | 8h 26m |
Bayan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Bayan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 9 | 6 | 4 | 2 | 2 |