What’s the climate like in Portland?
The current climate of Portland features average monthly temperatures ranging from highs of 33°C during the day to lows of 13°C. The average yearly temperature is around 25°C. At night, temperatures in the colder months average around 2°C and in the warmer months around 23°C.
The highest temperature recorded in Portland in recent years was 39°C in August 2023. The lowest daytime temperature recorded was -8°C in February 2021.
On average, Portland gets 1862 mm of precipitation each year. Of this, about 7,0 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Portland?
The best time to visit Portland for sunny weather is August through November. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Portland. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Portland
The climate table of Portland shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 13 | 15 | 20 | 24 | 28 | 32 | 33 | 33 | 32 | 26 | 19 | 15 |
| Temp. min (°C) | 3 | 5 | 9 | 13 | 18 | 22 | 24 | 23 | 20 | 14 | 7 | 6 |
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| Precipitation (mm) | 116 | 247 | 273 | 208 | 206 | 168 | 186 | 102 | 33 | 118 | 89 | 116 |
| Snow (cm) | 2,4 | 3,8 | 0,7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 0 |
| UV Index | 4 | 2 | 4 | 5 | 5 | 7 | 8 | 7 | 5 | 3 | 3 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 25°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 13°C in January
- Precipitation*: 1862 mm per year, averaging 155 mm per month
- Snowfall: 7,0 cm per year
- Driest months: 33 mm in September, 89 mm in November and 102 mm in August
- Wettest months: 273 mm in March, 247 mm in February and 208 mm in April
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Portland
This graph shows the average maximum temperatures per month in Portland, Arkansas. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Portland
This graph shows how much precipitation Portland, Arkansas, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Portland
This graph shows how much snow Portland, Arkansas, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Portland
This graph shows the average UV index per month in Portland, Arkansas. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Portland
This graph shows the average yearly temperature in Portland, Arkansas. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Portland
This chart shows the total yearly precipitation in Portland, Arkansas, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Portland
This chart shows the total yearly snowfall in Portland, Arkansas, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Portland
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Average Weather in Portland by Month
Click on a month below to see detailed weather info for Portland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
