May weather forecast
Altai, Mongolia

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Weather in May

May is the doorstep to Altai's summer, highlighted by milder temperatures ideal for sightseeing and nature walks. With the highest temperature climbing to 14°C (57.2°F) and daylight hours further extending to 15 hours, May clearly signals the onset of summer. The weather patterns change significantly, offering relief from Mongolia's long, icy winter. May also sees an uptick in rainfall levels, resulting in greener landscapes. As the month progresses, the weather becomes increasingly hospitable, making it a prime time for outdoor pursuits.

Temperature

As May arrives, Altai's weather displays a notable increase in high-temperatures, climbing from April's frosty 6°C (42.8°F) to a moderate 14°C (57.2°F). Altai, in May, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 1°C (33.8°F).

Rainfall

In May, in Altai, the rain falls for 7 days. Throughout May, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 74 rainfall days, and 153mm (6.02") of precipitation is accumulated.

Daylight

In Altai, the average length of the day in May is 15h and 0min.
On the first day of May, sunrise is at 06:20 and sunset at 20:43. On the last day of the month, sunrise is at 05:46 and sunset at 21:18 +08.

Sunshine

The months with the most sunshine in Altai, Mongolia, are May through August, with an average of 10h of sunshine.

UV index

The average daily maximum UV index in May in Altai is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Fend off overexposure. Sun protection is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the usual temperature for Altai in May?

In May, the average high-temperature and low-temperature in Altai, Mongolia, are 14°C (57.2°F) and 1°C (33.8°F) respectively.

How much does it rain in Altai in May?

In Altai, Mongolia, in May, during 7 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

What is the average length of the day in May in Altai?

In Altai, the average day length in May is 15h and 0min.

When is the sunrise / sunset in May in Altai?

In May, on the first day of the month, sunrise is at 06:20 and sunset at 20:43. On the last day of the month, in Altai, Mongolia, sunrise is at 05:46 and sunset at 21:18 +08.

What are the months with the most sunshine in Altai?

The months with the most sunshine are May through August, with an average of 10h of sunshine.

How long on average sun shines in May in Altai?

In Altai, the average sunshine duration in May is 10h.

How high is the UV index in May in Altai?

In May, the average daily maximum UV index in Altai, Mongolia, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Altai, Mongolia

Average temperature in May - Altai, Mongolia
  • Average high temperature in May: 14°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-10°C).

  • Average low temperature in May: 1°C

The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is January (-25°C).

Average rainfall in May
Altai, Mongolia

Average rainfall in May - Altai, Mongolia
  • Average rainfall in May: 11mm

The wettest month (with the highest rainfall) is July (44mm).
The driest months (with the least rainfall) are January and February (1mm).

Average rainfall days in May
Altai, Mongolia

Average rainfall days in May - Altai, Mongolia
  • Average rainfall days in May: 7 days

The month with the highest number of rainy days is July (12 days).
The months with the least rainy days are January, February and December (3 days).

Average daylight in May /
Average sunshine in May
Altai, Mongolia

Average daylight in May / Average sunshine in May - Altai, Mongolia
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 10h

The months with the most sunshine are May, June, July and August (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 6h).

Average UV index in May
Altai, Mongolia

Average UV index in May - Altai, Mongolia
  • Average UV index in May: 7

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January, November and December (UV index 1).

Altai, Mongolia

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