August weather forecastPortland, ND
August
Weather in August
The last month of the summer, August, is another warm month in Portland, North Dakota, with an average temperature ranging between min 59.4°F (15.2°C) and max 80.4°F (26.9°C).Temperature
The warmest period is usually observed in July and August, with the average high-temperature peaking at 80.4°F (26.9°C).Humidity
With an average relative humidity of 61%, August is the least humid month in Portland, North Dakota.Rainfall
In August, in Portland, the rain falls for 9.8 days. Throughout August, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 101.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
In Portland, snow does not fall in June through September.Daylight
In August, the average length of the day is 14h and 12min.On the first day of the month, sunrise is at 6:08 am and sunset at 9:03 pm. On the last day of August, sunrise is at 6:47 am and sunset at 8:11 pm CDT.
Sunshine
In August, the average sunshine is 10.6h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Portland, ND
- Average high temperature in August: 80.4°F
The warmest months (with the highest average high temperature) are July and August (80.4°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in August
Portland, ND
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Portland, ND
- Average wind speed in August: 8.3mph
The windiest month (with the highest average wind speed) is October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in August
Portland, ND
- Average humidity in August: 61%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall in August
Portland, ND
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in August
Portland, ND
- Average rainfall days in August: 9.8 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Portland, ND
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portland, ND
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portland, ND
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Portland, ND
- Average sunshine days in August: 19.7 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Portland, ND
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in August
Portland, ND
- Average cloud cover in August: 25
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Portland, ND
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
