When is the best time to go to Onon
The chart above shows the best time of year to visit Onon, Mongolia. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Onon
Onon weather by month
Please note our recommendations for when to visit Onon are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -14°C | 2mm | 6.4hrs | 10hrs |
The climate in Onon during January can be summarized as very cold and very dry.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Onon and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -16°C (4°F), whilst at night -30°C (-21°F) is normal.
On average January is the driest month of the year in Onon with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -10°C | 2mm | 8.1hrs | 11.3hrs |
February in Onon is generally very dry with the temperature being very cold.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Onon and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -12°C (11°F), whilst at night -28°C (-19°F) is normal.
On average February is the 2nd driest month of the year in Onon with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 4mm | 9.2hrs | 12.8hrs |
The weather in March in Onon is characteristically very cold and very dry.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Onon and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -19°C (-2°F) is normal.
On average March is the 3rd driest month of the year in Onon with around 4mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 11mm | 9.6hrs | 14.7hrs |
Onon's weather in April is typically cold and dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Onon.
April is in the spring in Onon and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing 8°C (46°F), whilst at night -9°C (16°F) is normal.
On average April is the 4th driest month of the year in Onon with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 25mm | 10.4hrs | 16.4hrs |
May is a dry month in Onon and the temperature is generally cool.
It is perhaps the perfect month to visit Onon, with some inordinately good weather at this time of year.
May is in the spring in Onon and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night -1°C (30°F) is normal.
On average May is the 5th driest month of the year in Onon with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.4 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 65mm | 10.5hrs | 10hrs |
The climate in Onon during June can be summarized as mild and reasonably dry.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Onon.
June is in the summer in Onon and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 6°C (42°F) is normal.
On average June is the 6th driest month of the year in Onon with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.5 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 93mm | 9.5hrs | 11.3hrs |
July in Onon is generally a little damp with the temperature being mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Onon.
July is in the summer in Onon and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 9°C (48°F) is normal.
On average July is the 6th wettest month of the year in Onon with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 86mm | 9.2hrs | 12.8hrs |
The weather in August in Onon is characteristically mild and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Onon and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (44°F) is normal.
On average August is the 5th wettest month of the year in Onon with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 37mm | 9hrs | 14.7hrs |
Onon's weather in September is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Onon.
September is in the fall / autumn in Onon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night -1°C (30°F) is normal.
On average September is the 4th wettest month of the year in Onon with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 10mm | 8.2hrs | 16.4hrs |
October is a very dry month in Onon and the temperature is generally cold.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Onon.
October is in the fall / autumn in Onon and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a freezing 6°C (42°F), whilst at night -10°C (15°F) is normal.
On average October is the 3rd wettest month of the year in Onon with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -6°C | 5mm | 6.8hrs | 10hrs |
November in Onon is generally very dry with the temperature being very cold.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Onon and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a freezing -7°C (20°F), whilst at night -21°C (-5°F) is normal.
On average November is the 2nd wettest month of the year in Onon with around 5mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -13°C | 3mm | 6hrs | 11.3hrs |
December in Onon is generally very dry with the temperature being very cold.
Based on weather alone, this is probably a time of year to avoid going to Onon for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Onon and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing -14°C (6°F), whilst at night -27°C (-17°F) is normal.
On average December is the wettest month of the year in Onon with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
Other monthly averages
Onon weather stats
| Hottest month: | July | 21.8°C 71.2°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | February | 8.1hrs |
| Coldest month: | January | -16°C 3.2°F |
| Wettest month: | July | 93mm 3.7ins |
| Warmest sea: | August | 15°C 59°F |
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