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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, the same as December, in Portland, Indiana, is a freezing cold winter month, with an average temperature ranging between min 20.1°F (-6.6°C) and max 31.6°F (-0.2°C). January, with an average high of 31.6°F (-0.2°C) and a low of 20.1°F (-6.6°C), signifies the coldest month of the year. Weather in January »
Weather in February
February, the last month of the winter in Portland, is an icy month, with an average temperature varying between 23.4°F (-4.8°C) and 36.1°F (2.3°C). The transition into February shows a subtle variation to a wintry 36.1°F (2.3°C) from January's 31.6°F (-0.2°C) in the average high-temperature. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Portland, Indiana, with an average temperature fluctuating between 47.5°F (8.6°C) and 33.1°F (0.6°C). March brings a temperature change, with average high-temperatures moving from February's wintry 36.1°F (2.3°C) to a frosty 47.5°F (8.6°C). Weather in March »
Weather in April
April in Portland, Indiana, is a refreshing spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.2°F (6.2°C). April shows a rise in the average high-temperature, moving from March's chilly 47.5°F (8.6°C) to a refreshing 59.5°F (15.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Portland, Indiana, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 54.1°F (12.3°C). May sees a rise in the average high-temperature, climbing from a mild 59.5°F (15.3°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »
Weather in June
June, the first month of the summer in Portland, is a warm month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 78.3°F (25.7°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 70.5°F (21.4°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, like June, in Portland, Indiana, is another warm summer month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64°F (17.8°C). July, characterized by an average high temperature of 81.1°F (27.3°C) and a low temperature of 64°F (17.8°C), is generally the warmest month. July's average heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Portland, is also a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 61.9°F (16.6°C). Portland observes a minor difference in average high-temperatures between July's 81.1°F (27.3°C) and August's 79°F (26.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Portland, is still a warm month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 73.8°F (23.2°C). With the advent of September, Portland experiences an average high-temperature of a still moderately hot 73.8°F (23.2°C), mirroring a close resemblance to the previous month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Portland, Indiana, with an average temperature varying between 46°F (7.8°C) and 61.7°F (16.5°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 73.8°F (23.2°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Portland, Indiana, with an average temperature varying between 48.4°F (9.1°C) and 35.1°F (1.7°C). Start of November brings a shift in the average high-temperature, falling from October's refreshing 61.7°F (16.5°C) to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Portland, Indiana, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 37.6°F (3.1°C). In Portland, entering December brings a temperature decrement, reducing from November's frosty 48.4°F (9.1°C) to a wintry 37.6°F (3.1°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 part of the year is the coldest in Portland?
Portland, Indiana, experiences its average lowest temperatures in January, reaching a peak of 31.6°F (-0.2°C) and a minimum of 20.1°F (-6.6°C).
What is the most humid month in Portland?
January, February and December, with an average relative humidity of 83%, are most humid months in Portland, Indiana.
How many days does it rain in Portland?
Throughout the year, there are 108.6 rainfall days, and 8.74" (222mm) of precipitation is accumulated.
When does it snow in Portland?
Months with snowfall in Portland, Indiana, are January through April, October through December.
How much does it snow in Portland?
In Portland, Indiana, during the entire year, snow falls for 32.7 days and aggregates up to 3.15" (80mm) of snow.
What is the month with the least sunshine in Portland?
The month with the least sunshine is January, with an average of 3.4h of sunshine.
What is the driest month in Portland?
February is the month with the least rainfall in Portland, Indiana. Rain falls for 4.8 days and accumulates 0.47" (12mm) of precipitation.
What is the snowiest month in Portland?
February is the month with the most snowfall in Portland, Indiana. Snow falls for 8.1 days and accumulates 0.75" (19mm) of snow.
When is Daylight Saving Time (DST) in Portland?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Portland, Indiana, 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 rainiest month in Portland?
May is the month with the most rainfall in Portland, Indiana. Rain falls for 13.9 days and accumulates 1.1" (28mm) of precipitation.
When it does not snow in Portland?
May through September are months without snowfall.
When are the longest days in Portland?
The month with the longest days in Portland, Indiana, is June, with an average of 15h and 0min of daylight.
When is the highest UV index in Portland?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Portland.
What are the warmest months in Portland?
Portland experiences its highest temperatures in July, with an average peak of 81.1°F (27.3°C) and a low of 64°F (17.8°C).
What month has the most sunshine in Portland?
July has the most sunshine of the year in Portland, Indiana, with an average of 10h of sunshine.
What is the least humid month in Portland?
The least humid month in Portland is October, with an average relative humidity of 74%.
What is the month with the shortest days in Portland?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index in Portland?
The month with the lowest UV index in Portland is December, with an average maximum UV index of 1.
Average temperature
Portland, IN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Portland, IN
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Portland, IN
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Portland, IN
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Portland, IN
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.87" - Average rainfall in April:
0.83" - Average rainfall in May:
1.1" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.83" - Average rainfall in September:
0.55" - Average rainfall in October:
0.51" - Average rainfall in November:
0.55" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Portland, IN
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
10.9 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (13.9 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall
Portland, IN
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Portland, IN
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
8.1 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Portland, IN
- Average daylight in January:
9h and 4min - 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 3min - Average sunshine in September:
7h and 5min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Portland, IN
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
15.9 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.7 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is June (13.3 days).
Average UV index
Portland, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Portland, IN
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Portland, IN
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Portland, Indiana, USA
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