May weather forecast
Ulaanbaatar, Mongolia

Warm weather takes hold in Ulaanbaatar during May, welcoming the pleasant vibes of late spring. Milder temperatures and extended daylight hours characterise this period, fostering ideal conditions for sightseeing and exploration. Be prepared for a drastic escalation in temperatures, ranging from 3.3°C (37.9°F) to 17.8°C (64°F), which invites the onset of balmy weather. However, the precipitation level witnesses a notable increase to 21mm (0.83"). Comfortable clothing paired with sun protection is advisable for the late spring climate.

Temperature

The shift into May is marked by a noticeable escalation in the average high-temperature, rising from April's chilly 9.7°C (49.5°F) to a refreshing 17.8°C (64°F). May nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 3.3°C (37.9°F).

Humidity

With an average relative humidity of 46%, May is the least humid month.

Rainfall

In Ulaanbaatar, in May, it is raining for 7 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, in Ulaanbaatar, there are 62.7 rainfall days, and 267mm (10.51") of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In May, in Ulaanbaatar, snow falls for 3 days. In Ulaanbaatar, Mongolia, during the entire year, snow falls for 58.9 days.

Daylight

In May, the average length of the day is 15h and 10min.
On the first day of the month, sunrise is at 05:33 and sunset at 20:05. On the last day of May, in Ulaanbaatar, sunrise is at 04:57 and sunset at 20:42 +08.

Sunshine

With an average of 9.7h of sunshine, May has the most sunshine of the year in Ulaanbaatar, Mongolia.

UV index

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.