Climate and monthly weather forecastPortland, ND
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Portland, North Dakota, with an average temperature fluctuating between 15.6°F (-9.1°C) and 1.8°F (-16.8°C). January is the coldest month, exhibiting average temperatures of 15.6°F (-9.1°C) at the peak and 1.8°F (-16.8°C) at the base. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Portland, North Dakota, with an average temperature varying between 4.3°F (-15.4°C) and 18.3°F (-7.6°C). February's onset sees an average high-temperature of a still freezing cold 18.3°F (-7.6°C), exhibiting a slight fluctuation from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Portland, North Dakota, with an average temperature ranging between min 20.7°F (-6.3°C) and max 34.2°F (1.2°C). March is marked by a significant increase, with the average high-temperature advancing from a freezing cold 18.3°F (-7.6°C) in February to a cold 34.2°F (1.2°C). Weather in March »Weather in April
April is a cool spring month in Portland, North Dakota, with an average temperature varying between 35.1°F (1.7°C) and 50.2°F (10.1°C). The transition from March to April brings a clear temperature rise, with average high-temperatures increasing from a cold 34.2°F (1.2°C) to a fresh 50.2°F (10.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Portland, North Dakota, with an average temperature ranging between min 48.2°F (9°C) and max 64.9°F (18.3°C). May witnesses a clear temperature increase, soaring from a fresh 50.2°F (10.1°C) in April to an enjoyable 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Portland, North Dakota, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 73.4°F (23°C). With the onset of June, Portland observes a minor temperature ascent, with the average high-temperature adjusting from May's refreshing 64.9°F (18.3°C) to a moderately hot 73.4°F (23°C). Weather in June »Weather in July
July, like June, in Portland, North Dakota, is a moderately hot summer month, with an average temperature varying between 60.3°F (15.7°C) and 80.4°F (26.9°C). The yearly peak temperatures occur in July and August, averaging a high-temperature of 80.4°F (26.9°C). Weather in July »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). The warmest period is usually observed in July and August, with the average high-temperature peaking at 80.4°F (26.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Portland, North Dakota, with an average temperature ranging between min 52°F (11.1°C) and max 70.7°F (21.5°C). Portland's weather in September involves a decrease in the average high-temperature, moving down from August's warm 80.4°F (26.9°C) to an agreeable 70.7°F (21.5°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Portland, North Dakota, with an average temperature ranging between max 53.4°F (11.9°C) and min 39.6°F (4.2°C). A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from an agreeable 70.7°F (21.5°C) in September to a cool 53.4°F (11.9°C). Weather in October »Weather in November
November, the last month of the autumn in Portland, is also a wintry month, with an average temperature varying between 24.4°F (-4.2°C) and 36°F (2.2°C). With the transition into November, Portland experiences a significant decrease in average high-temperatures, moving down from a fresh 53.4°F (11.9°C) in October to a cold 36°F (2.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Portland, North Dakota, with an average temperature fluctuating between 19.8°F (-6.8°C) and 8.6°F (-13°C). The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from a wintry 36°F (2.2°C) to a freezing cold 19.8°F (-6.8°C). Weather in December »Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The lowest temperatures in Portland are recorded in January, with averages reaching a high of 15.6°F (-9.1°C) and a low of 1.8°F (-16.8°C).
The most humid month in Portland is January, with an average relative humidity of 91%.
January and February are months with the least rain in Portland when the rain falls for 2.7 days and typically aggregates up to 0.55" (14mm) of rain.
Throughout the year, there are 101.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Portland.
Throughout the year, there are 66.9 snowfall days, and 20.43" (519mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.3h of sunshine.
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The month with the most rainfall in Portland is June, when the rain falls for 16.9 days and typically aggregates up to 3.5" (89mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year in Portland, North Dakota, with an average of 15h and 54min of daylight.
The months with the highest UV index in Portland, North Dakota, are June and July, with an average maximum UV index of 6.
July and August are known as Portland's warmest months, with an average high-temperature of 80.4°F (26.9°C).
With an average of 10.7h of sunshine, July has the most sunshine of the year in Portland.
The least humid month in Portland, North Dakota, is August, with an average relative humidity of 61%.
December is the month with the most snowfall. Snow falls for 14 days and accumulates 4.25" (108mm) of snow.
The month with the shortest days in Portland is December, with an average of 8h and 30min of daylight.
Average temperature
Portland, ND
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).
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
Portland, ND
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.13"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
Portland, ND
- Average wind speed in January:
10.4mph - Average wind speed in February:
10mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9.9mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
8.3mph - Average wind speed in September:
10mph - Average wind speed in October:
10.9mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10mph
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
Portland, ND
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall
Portland, ND
- Average rainfall in January:
0.55" - Average rainfall in February:
0.55" - Average rainfall in March:
0.98" - Average rainfall in April:
1.5" - Average rainfall in May:
2.28" - Average rainfall in June:
3.5"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.57" - Average rainfall in September:
1.77" - Average rainfall in October:
2.01" - Average rainfall in November:
0.63" - Average rainfall in December:
0.79"
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
Portland, ND
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
7.4 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.2 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
Portland, ND
- Average snowfall in January:
3.43" - Average snowfall in February:
3.03" - Average snowfall in March:
3.46" - Average snowfall in April:
2.36" - Average snowfall in May:
0.63" - Average snowfall in June:
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
Portland, ND
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
12.9 days - Average snowfall days in March:
11.1 days - Average snowfall days in April:
5.3 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2.2 days - Average snowfall days in November:
7.4 days - Average snowfall days in December:
14 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 / Average sunshine
Portland, ND
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
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 January:
3h and 18min - Average sunshine in February:
3h and 36min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 24min
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
Portland, ND
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
15.6 days - Average sunshine days in August:
19.7 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
16.5 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
Portland, ND
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
Portland, ND
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
Portland, ND
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).
