Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
Portland records an average high-temperature of a still comfortable 17.8°C (64°F) in April, closely mirroring the climate of the previous month. A mean low-temperature of 13.5°C (56.3°F) is anticipated during the month of April in Portland, a slight step down from the daytime high.Humidity
In April, the average relative humidity in Portland is 74%.Rainfall
In Portland, during April, the rain falls for 15.1 days and regularly aggregates up to 37mm (1.46") of precipitation. In Portland, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Sea temperature
In Portland, the average seawater temperature in April is 16.6°C (61.9°F).Note: When the surface water temperature is 16.6°C (61.9°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).
Daylight
The average length of the day in April in Portland is 11h and 6min.On the first day of April in Portland, sunrise is at 7:47 am and sunset at 7:26 pm AEDT. On the last day of the month, sunrise is at 7:14 am and sunset at 5:46 pm AEST.
Note: On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends, and the time zone changes from AEDT to AEST. Daylight Saving Time starts again on Sunday, 06. October 2024, at 2:00 am; consequently, the time zone reverts from AEST to AEDT.
Sunshine
In April, the average sunshine is 6.8h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portland in April?
What is the average humidity in April in Portland?
How much does it rain in Portland in April?
How cold is the water in April in Portland?
What is the average length of the day in April in Portland?
What time are sunrise and sunset in April in Portland?
When does Daylight Saving Time (DST) end in April in Portland?
How long on average sun shines in April in Portland?
What is the UV index reading in April in Portland?
Average temperature in April
Portland, Australia
- Average high temperature in April: 17.8°C
The warmest month (with the highest average high temperature) is February (20.8°C).
The month with the lowest average high temperature is July (13.1°C).
- Average low temperature in April: 13.5°C
The month with the highest average low temperature is February (15.8°C).
The coldest month (with the lowest average low temperature) is August (9.6°C).
Average pressure in April
Portland, Australia
- Average pressure in April: 1019.3mbar
The month with the highest atmospheric pressure is June (1020.7mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in April
Portland, Australia
- Average wind speed in April: 17.6km/h
The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is April (17.6km/h).
Average humidity in April
Portland, Australia
- Average humidity in April: 74%
The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in April
Portland, Australia
- Average rainfall in April: 37mm
The wettest month (with the highest rainfall) is August (74mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in April
Portland, Australia
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is August (21.2 days).
The month with the least rainy days is February (8.8 days).
Average sea temperature in April
Portland, Australia
- Average sea temperature in April: 16.6°C
The best months for swimming (with the highest average sea temperature) are January and February (17.3°C).
The coldest month (with the lowest average sea temperature) is September (14.2°C).
Average daylight in April /
Average sunshine in April
Portland, Australia
- Average daylight in April: 11h and 1min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 54min).
Average sunshine days in April
Portland, Australia
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (6.9 days).
Average UV index in April
Portland, Australia
- Average UV index in April: 4
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in April
Portland, Australia
- Average cloud cover in April: 48
The months with the most cloud cover are May and August (Cloud cover 54).
The month with the least cloud cover is January (Cloud cover 34).
Average visibility in April
Portland, Australia
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
