April Weather in Altan, Mongolia

Last updated: August 28, 2025

In Altan, Mongolia, the average temperature in April hovers around 4°C (40°F). Expect a frigid minimum of -16°C (3°F), while you might also experience a surprising maximum of 25°C (77°F). This month sees 11 mm (0.4 in) of precipitation spread over just 2 days, and the air tends to be quite humid, with an average humidity level of 74%.

April Temperature in Altan

In April in Altan, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F), and minimums can be as low as -16°C (3°F). This wide temperature range means travelers should be prepared for both warm and cold weather conditions.

April Weather in Altan: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Altan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altan, April typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Altan generated using information from the Copernicus Climate Change Service.

April Precipitation in Altan

In Altan in April, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

April Precipitation Trends in Altan

The chart displays monthly precipitation patterns in Altan, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Altan, April typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Altan

In Altan in April humidity is 74%. With an average temperature of 4°C (40°F), this humidity feels like a chilly embrace that makes every breath a little heavier, which can be quite uncomfortable for traveling.

April Average Humidity in Altan

This chart illustrates the average monthly humidity levels in Altan, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Altan is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Altan

In Altan in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Altan.

Maximum UV Index Levels in Altan for April

The chart shows the monthly maximum UV Index (UVI) for Altan in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Altan typically reaches 7, which falls under the high exposure category.

Data source: Altan April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Altan Compares to Other Months

Weather in Altan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Altan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Altan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-6°F)	2 mm (0.1 inches)	98%	low
February Weather	-18°C (1°F)	5 mm (0.2 inches)	94%	moderate
March Weather	-7°C (20°F)	6 mm (0.2 inches)	88%	moderate
April Weather	4°C (40°F)	11 mm (0.4 inches)	74%	high
May Weather	11°C (52°F)	12 mm (0.5 inches)	50%	very high
June Weather	17°C (63°F)	21 mm (0.8 inches)	48%	very high
July Weather	19°C (66°F)	48 mm (1.9 inches)	49%	very high
August Weather	16°C (61°F)	43 mm (1.7 inches)	54%	very high
September Weather	10°C (50°F)	15 mm (0.6 inches)	59%	high
October Weather	0°C (32°F)	12 mm (0.5 inches)	67%	moderate
November Weather	-10°C (14°F)	6 mm (0.2 inches)	86%	low
December Weather	-20°C (-4°F)	4 mm (0.1 inches)	96%	low