Climate and monthly weather forecast
Onon, Mongolia

Onon is situated in Mongolia and is categorized under the Dwc climate classification as per the Köppen climate classification. This translates to a Subarctic climate which experiences a dry winter and a somewhat cool summer. Precipitation sees a significant variation throughout the year while the daylight hours also show noticeable change.

Weather parameters fluctuate monthly. January is the coldest month with an average high of -14°C (6.8°F) and a low of -26°C (-14.8°F). In contrast, temperatures peak between June and August with averages of 22°C (71.6°F). The lowest temperatures are witnessed between January and February, ranging from a high of -14°C (6.8°F) to a low of -26°C (-14.8°F).

Rainfall records the lightest amount at the beginning and end of the year, with 5mm (0.2") in January and December. Between June and August, rainfall is highest, reaching up to 99mm (3.9"). Meanwhile, daylight hours gradually increase from 8.4 hours in December to a maximum of 16.1 hours in June, before reducing again.

For travelers planning a visit to Onon, the months of June, July, and August might be most agreeable. Summer arrives with warmer temperatures, recording averages of 22°C (71.6°F) and increased daylight hours, boasting up to 16 hours of sunlight. This time period might also hold interest for those seeking more precipitation, as rainfall peaks at 99mm (3.9") during these months.

Onon could pose a challenge for visitors in the extreme winter months of January and February. Lowest temperatures fall between -26°C (-14.8°F) to -14°C (6.8°F) respectively. Additionally, with daylight dwindling to less than 10 hours, sightseeing can be much limited during these months.

Spring in Onon is observed from March to May where temperatures recover from lows of -16°C (3.2°F) to a high of 17°C (62.6°F). Precipitation during this period noticeably increases, showcasing from 0mm (0") to 8mm (0.31") of rainfall. Daylight hours also increase substantially, averaging from 11.9 to 15.3 hours, providing more opportunities to engage with the outdoors.

Summer covers June through August, with temperatures ranging from a high of 22°C (71.6°F) to a low of 9°C (48.2°F). There is a considerable rise in rainfall with the maximum precipitation being recorded at 99mm (3.9"). Additionally, daylight hours peak at 16.1 hours, extending possibilities for recreational activities.

Autumn in Onon can be observed from September to November where temperatures drop from a high of 16°C (60.8°F) to a frigidlow of -5°C (23°F). Rainfall amounts lessen during this period, from 38mm (1.5") to 8mm (0.31"). Daylight hours equivalently decrease, ranging from 12.6 hours in September to only 9.2 hours in November.

Winter season in Onon, beginning from December and lasting until February, experiences the coldest temperatures, ranging from -26°C (-14.8°F) to -8°C (17.6°F). Rainfall is at its lowest during this time; December and January see only 5mm (0.2"). Additionally, daylight hours are shortest, dwindling to a mere 8.8 hours in December.

January in Onon, Mongolia distinguishes itself as the coldest month, particularly with temperatures averaging from -26°C (-14.8°F) to -14°C (6.8°F) throughout the month. Onon is a place where the stark beauty of winter can be seen in its full effect. Weather in January »

February is similar to January in its cold climate, though it presents a slight increase in temperature, forecasted between -24°C (-11.2°F) and -8°C (17.6°F). As the pace of life in Onon adjusts to the winter, the weather remains dry. Weather in February »

Compared to February, the weather in March shows a noticeable shift from harsh winter to welcoming spring. Warmer temperatures between -16°C (3.2°F) and 0°C (32°F) now reign in Onon, Mongolia. Delightful hints of spring bring about a change in the local flora and fauna as this month records a moderate rainfall of 13mm (0.51"). Weather in March »

With the arrival of April, the winter cold gradually fades away. Temperatures in Onon, Mongolia range between -6°C (21.2°F) and 8°C (46.4°F). April provides the opportunity to experience the complete springtime reawakening of Onon. Weather in April »

May adds a distinct touch to the semi-annual cycle of seasons in Onon, Mongolia. The weather becomes more comfortable, with temperatures oscillating from 1°C (33.8°F) to 17°C (62.6°F). Occasional rains bring joy and balance to human and wildlife, with a total precipitation of 8mm (0.31"). Weather in May »

June marks the beginning of summer in Onon, Mongolia. The month sees a significant rise in temperatures, from 7°C (44.6°F) to 22°C (71.6°F). June brings a multitude of colors and vibrancy to the area, intensifying with increased precipitation. Weather in June »

July continues the summer spell that began with June in Onon, Mongolia. Maintaining temperatures between 11°C (51.8°F) and 22°C (71.6°F), the high summer heat persists. This month records the year's maximum rainfall; 99mm (3.9") of rain provides a sense of renewal and refreshment. Weather in July »

August in Onon, Mongolia bears similarities to July with temperatures forecasted between 9°C (48.2°F) and 22°C (71.6°F). The prevalence of rain mirrors July, maintaining the same volume of 99mm (3.9") of rainfall. The landscapes continue to radiate life and color under the ample 14.3 hours of daylight. Weather in August »

September introduces the transition from summer to autumn in Onon, Mongolia. The temperatures range from 2°C (35.6°F) to 16°C (60.8°F), bringing cooler nights. The rainfall decreases from the summer peak to 38mm (1.5"). However, the landscape remains vibrant, boasting a mixture of sun and rain. Weather in September »

October brings chillier winds and the onset of frosty conditions in Onon, Mongolia. Temperatures fall between -8°C (17.6°F) and 7°C (44.6°F). As rainfall reduces to 10mm (0.39"), the weather conditions suit those who prefer colder climates. Weather in October »

In November, Onon, Mongolia faces colder temperatures between -19°C (-2.2°F) and -5°C (23°F). The falling snow begins to settle, transforming the landscapes into mesmerizing wintry scenes. Fewer clouds lead to a decrease in precipitation to 8mm (0.31"). Weather in November »

December embodies the true essence of winter for Onon, Mongolia. Freezing temperatures roll in, averaging from -26°C (-14.8°F) to -12°C (10.4°F). It records similarities with January, retaining modest precipitation of 5mm (0.2"). Weather in December »