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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Portland, Michigan, with an average temperature varying between 27.1°F (-2.7°C) and 17.1°F (-8.3°C). January stands out as Portland's coldest month, with temperatures ranging between an average high of 27.1°F (-2.7°C) and a low of 17.1°F (-8.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Portland, Michigan, with an average temperature varying between 30.4°F (-0.9°C) and 18°F (-7.8°C). The transition into February shows a subtle variation to a still subzero cold 30.4°F (-0.9°C) from January's 27.1°F (-2.7°C) in the average high-temperature. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Portland, Michigan, with an average temperature ranging between min 27.3°F (-2.6°C) and max 41.7°F (5.4°C). March brings a temperature change, with average high-temperatures moving from February's subzero cold 30.4°F (-0.9°C) to a cold 41.7°F (5.4°C). Weather in March »
Weather in April
April is a fresh spring month in Portland, Michigan, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37°F (2.8°C). The arrival of April sees a shift in the average high-temperature, moving from a wintry 41.7°F (5.4°C) in March to a fresh 53.8°F (12.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Portland, Michigan, with an average temperature ranging between min 48.6°F (9.2°C) and max 66.6°F (19.2°C). As Portland transitions into May, the average high-temperature is observed to rise from a fresh 53.8°F (12.1°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Portland, Michigan, with an average temperature varying between 56.3°F (13.5°C) and 74.3°F (23.5°C). The arrival of June signals a slight increase in the average high-temperature, moving from an enjoyable 66.6°F (19.2°C) in May to a warm 74.3°F (23.5°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Portland, Michigan, with an average temperature ranging between max 79.2°F (26.2°C) and min 60.8°F (16°C). Portland's temperatures peak on average in July, reaching 79.2°F (26.2°C) at their highest and 60.8°F (16°C) at their lowest. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Portland, Michigan, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 59.5°F (15.3°C). Portland experiences a transition to a still warm 77.9°F (25.5°C) in average high-temperatures with the arrival of August, not greatly differing from July's 79.2°F (26.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Portland, is still a pleasant month, with an average temperature varying between 52.5°F (11.4°C) and 72°F (22.2°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 77.9°F (25.5°C) in August to an agreeable 72°F (22.2°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Portland, Michigan, with an average temperature fluctuating between 43.3°F (6.3°C) and 58.1°F (14.5°C). A decrease in the average high-temperature is observed during October, shifting from a pleasant 72°F (22.2°C) in September to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Portland, Michigan, with an average temperature fluctuating between 44.4°F (6.9°C) and 32.5°F (0.3°C). November weather is marked by a drop in the average high-temperature, falling from a refreshing 58.1°F (14.5°C) in October to a frosty 44.4°F (6.9°C). Weather in November »
Weather in December
December, the first month of the winter in Portland, is still a cold month, with an average temperature varying between 25°F (-3.9°C) and 33.3°F (0.7°C). As December commences, the average high-temperature shows a reduction, transitioning from a frosty 44.4°F (6.9°C) in November to an icy 33.3°F (0.7°C). Weather in December »
Updated: Feb 12, 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
What is the coldest month in Portland?
January is the month when Portland sees the average lowest temperatures, with a high of 27.1°F (-2.7°C) and a low of 17.1°F (-8.3°C).
What is the most humid month in Portland?
With an average relative humidity of 88%, January is the most humid month in Portland, Michigan.
How many days does it rain in Portland?
Throughout the year, in Portland, Michigan, there are 121.9 rainfall days, and 12.01" (305mm) of precipitation is accumulated.
When does it snow in Portland?
January through May, October through December are months with snowfall.
How much does it snow in Portland?
In Portland, during the entire year, snow falls for 54.5 days and aggregates up to 7.8" (198mm) of snow.
What is the month with the least sunshine in Portland?
With an average of 2.7h of sunshine, January has the least sunshine of the year in Portland, Michigan.
When is the lowest UV index in Portland?
The months with the lowest UV index in Portland are January, November and December, with an average maximum UV index of 1.
What is the driest month in Portland?
February and November are months with the least rain in Portland, Michigan, when the rain falls for 4.6 days and typically aggregates up to 0.63" (16mm) of rain.
When is Daylight Saving Time (DST) in Portland?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Portland, Michigan, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Portland?
The least humid month is April, with an average relative humidity of 76%.
What is the rainiest month in Portland?
May is the month with the most rainfall. Rain falls for 14.5 days and accumulates 1.77" (45mm) of precipitation.
What is the month with the highest UV index in Portland?
The months with the highest UV index in Portland are May through August, with an average maximum UV index of 5.
When it does not snow in Portland?
June through September are months without snowfall in Portland.
When are the longest days in Portland?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What is the warmest month in Portland?
During the warmest month in Portland, July, temperatures average a high of 79.2°F (26.2°C) and a low of 60.8°F (16°C).
What month has the most sunshine in Portland?
July has the most sunshine of the year in Portland, with an average of 10.3h of sunshine.
What is the snowiest month in Portland?
The month with the most snowfall is December, when snow falls for 12.5 days and typically aggregates up to 2.05" (52mm) of snow.
What is the month with the shortest days in Portland?
With an average of 9h and 6min of daylight, December has the shortest days of the year in Portland, Michigan.
Average temperature
Portland, MI
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.1°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Portland, MI
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Portland, MI
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Portland, MI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Portland, MI
- Average rainfall in January:
0.79" - Average rainfall in February:
0.63" - Average rainfall in March:
0.79" - Average rainfall in April:
1.14" - Average rainfall in May:
1.77" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.02" - Average rainfall in August:
1.14" - Average rainfall in September:
0.79" - Average rainfall in October:
1.3" - Average rainfall in November:
0.63" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days
Portland, MI
- Average rainfall days in January:
6 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
10 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Portland, MI
- Average snowfall in January:
1.73" - Average snowfall in February:
1.81" - Average snowfall in March:
0.79" - Average snowfall in April:
0.63" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Portland, MI
- Average snowfall days in January:
15.2 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.3 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:
0.3 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Portland, MI
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days
Portland, MI
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
15 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is February (13.2 days).
Average UV index
Portland, MI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Portland, MI
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Portland, MI
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Portland, Michigan, USA
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