April Weather in Herlen, Mongolia

Last updated: August 28, 2025

In Herlen, Mongolia, the average temperature during April hovers around 5°C (41°F). Temperatures can vary significantly, dipping to a chilly -11°C (12°F) at the lowest and soaring to a warm 29°C (84°F) at the highest. Expect light rainfall, with a total precipitation of just 8 mm (0.3 in) over 2 days. On average, the humidity stands at a comfortable 54%, making it an interesting time to explore!

April Temperature in Herlen

In April in Herlen, the average temperature is 5°C (41°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop to as low as -11°C (12°F). It's advisable to pack layers and be prepared for a wide range of weather conditions when traveling.

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

The chart illustrates April temperature patterns in Herlen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herlen, April typically has an average temperature of 5°C (41°F), with highs reaching up to 29°C (84°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec-61254154667063543515-2
Data source: Temperature data for Herlen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Herlen

In Herlen in April, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

April Precipitation Trends in Herlen

The chart displays monthly precipitation patterns in Herlen, 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 Herlen, April typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec234919326675281493
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Herlen

In Herlen in April, humidity is 54%. With an average temperature of 5°C (41°F), this humidity feels like a crisp, invigorating chill that can be refreshing for short outdoor excursions but may require extra layers for comfort during longer explorations.

April Average Humidity in Herlen

This chart illustrates the average monthly humidity levels in Herlen, 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 Herlen is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%55%54%52%51%64%67%68%66%63%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Herlen

In Herlen 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 Herlen.

Maximum UV Index Levels in Herlen for April

The chart shows the monthly maximum UV Index (UVI) for Herlen 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 Herlen typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799996421
Data source: Herlen 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 Herlen Compares to Other Months

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

This table compares monthly weather conditions in Herlen, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-6°F)2 mm (0.1 inches)85%low
February Weather-17°C (2°F)3 mm (0.1 inches)75%moderate
March Weather-4°C (25°F)4 mm (0.1 inches)55%moderate
April Weather5°C (41°F)8 mm (0.3 inches)54%high
May Weather12°C (54°F)19 mm (0.7 inches)52%very high
June Weather19°C (66°F)32 mm (1.2 inches)51%very high
July Weather21°C (70°F)66 mm (2.6 inches)64%very high
August Weather17°C (64°F)75 mm (2.9 inches)67%very high
September Weather12°C (54°F)28 mm (1.1 inches)68%high
October Weather2°C (35°F)14 mm (0.5 inches)65%moderate
November Weather-9°C (15°F)9 mm (0.3 inches)63%low
December Weather-19°C (-2°F)3 mm (0.1 inches)80%low

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