April weather forecast
Ulaanbaatar, Mongolia

Transitioning from frigid temperatures, April ushers in springtime with noticeable warmth in Ulaanbaatar. A discernible rise in temperatures imbues the city with a relatively warmer atmosphere, making outdoor pursuits more enjoyable. A significant change occurs with temperatures now revolving between -4.3°C (24.3°F) and 9.7°C (49.5°F), a jump from the preceding months. A surge in rainfall to 10mm (0.39") reflects the beginning of Ulaanbaatar's slightly wetter season. Embarking on outdoor adventures warrants a windbreaker and sturdy boots during this period.

Temperature

As April arrives, Ulaanbaatar's weather displays a notable increase in high-temperatures, climbing from March's freezing cold -0.7°C (30.7°F) to a frosty 9.7°C (49.5°F). Nightly average temperatures in April reveal a significant dip from daytime highs, registering a consistent a subzero cold -4.3°C (24.3°F).

Humidity

In Ulaanbaatar, the average relative humidity in April is 48%.

Rainfall

In Ulaanbaatar, Mongolia, during April, the rain falls for 2 days and regularly aggregates up to 10mm (0.39") of 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 Ulaanbaatar, during April, snow falls for 7 days. Throughout the year, in Ulaanbaatar, there are 58.9 snowfall days.

Daylight

The average length of the day in April in Ulaanbaatar, Mongolia, is 13h and 40min.
On the first day of the month, sunrise is at 06:30 and sunset at 19:22. On the last day of April, sunrise is at 05:35 and sunset at 20:03 +08.

Sunshine

The average sunshine in April in Ulaanbaatar, Mongolia, is 8.8h.

UV index

In Ulaanbaatar, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 during April leads to these advisories:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.