April Weather in Portola

Last updated: March 2, 2024

The weather in Portola, United States, during April is characterized by an average temperature of 5°C (41°F). Highs can soar to 21°C (71°F), while lows may dip to -9°C (16°F). Typically, the humidity level in Portola throughout April hovers around 81%.

-9°C (16°F)

Minimum temperature

5°C (41°F)

Average temperature

21°C (71°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In April, Portola averages 72 mm (2.8 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 13 hours 17 minutes of daylight, with the sun shining for approximately 10 hours 14 minutes each day. Additionally, there is a 70% probability of sunny days during this period.

72 mm (2.8 inches)

Precipitation

8 rainy days

Rainy days

10 hours 14 minutes

Sunshine hours

70%

Chance of sun

UV Index

In April, the UV Index in Portola reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	3	6	8	10	10	10	8	5	3	1	1
Exposure	Low		Moderate	High	VeryHigh					Moderate		Low
Time to burn	45 min		30 min	25 min	15 min					30 min		45 min