April Weather in Portal, United States

Last updated: June 24, 2025

In April, the average temperature in Portal, United States is a mild 19°C (67°F). However, temperatures can range from a cool 1°C (34°F) to a scorching 36°C (98°F). Expect 92 mm (3.6 in) of precipitation spread across about 8 days, with humidity levels around a comfortable 79%. Enjoy the diverse climate!

April Temperature in Portal

In April in Portal, the average temperature is 19°C (67°F). Maximum temperatures can reach 36°C (98°F), while minimum temperatures can drop as low as 1°C (34°F). Be prepared for warm days and cool nights when traveling to Portal during this time.

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

The chart illustrates April temperature patterns in Portal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portal, April typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (98°F) and lows dropping to around 1°C (34°F).

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

April Precipitation in Portal

In Portal in April, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

April Precipitation Trends in Portal

The chart displays monthly precipitation patterns in Portal, 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 Portal, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 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 Portal

In Portal in April, humidity is 79%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as the air is thick and can leave you feeling sluggish during outdoor adventures.

April Average Humidity in Portal

This chart illustrates the average monthly humidity levels in Portal, 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 Portal is approximately 79%, 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 Portal

In Portal in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Portal.

Maximum UV Index Levels in Portal for April

The chart shows the monthly maximum UV Index (UVI) for Portal 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 Portal typically reaches 10, which falls under the very high exposure category.

Data source: Portal 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 Portal Compares to Other Months

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

This table compares monthly weather conditions in Portal, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	81 mm (3.2 inches)	86%	moderate
February Weather	14°C (57°F)	97 mm (3.8 inches)	81%	high
March Weather	16°C (61°F)	68 mm (2.7 inches)	81%	very high
April Weather	19°C (67°F)	92 mm (3.6 inches)	79%	very high
May Weather	24°C (76°F)	78 mm (3.1 inches)	75%	extreme
June Weather	27°C (80°F)	112 mm (4.4 inches)	75%	extreme
July Weather	28°C (83°F)	127 mm (5.0 inches)	80%	extreme
August Weather	28°C (82°F)	119 mm (4.7 inches)	81%	extreme
September Weather	26°C (79°F)	87 mm (3.4 inches)	83%	very high
October Weather	22°C (72°F)	76 mm (3.0 inches)	78%	very high
November Weather	14°C (58°F)	61 mm (2.4 inches)	85%	high
December Weather	12°C (54°F)	121 mm (4.8 inches)	87%	moderate