, with cold winters, during which the average temperature is a few degrees below freezing, and warm, rainy summers.
Portland is a city of 68,000 inhabitants, located in the north-east of the United States, in the state of Maine, of which it is the most populous city, on the coast of the Gulf of Maine (belonging to the Atlantic Ocean) and at almost 44 degrees north latitude.
This city should not be confused with Portland, a larger city located in the western United States, in Oregon, and with a much milder climate.
is quite abundant, since it amounts to 1,200 millimeters (47 inches) per year, in fact, disturbances can pass in all seasons, due to the continuous clashes of air masses. In summer, when they become rarer, thunderstorms can break out, especially in the first part. As a result, August and September are the months in which rainy days are relatively rarer.
fall per year, with notable variations from one year to another. It usually snows from November to early April. Sometimes real snowstorms can occur, brought by the so-called
, the depressions formed by the clash between cold air masses coming from Canada and milder and more humid air coming from the Atlantic, where the Gulf Stream flows. In February 2013, 81 cm (32 in) of snow fell in two days.
, the temperature drops to -18 °C (0 °F) or below every year. In recent decades, the coldest record is -28.9 °C (-20 °F), recorded on Boxing Day 1980. In January 1977, the monthly daily average was -9.7 °C (14.5 °F), while in January 1994 it was -9.6 °C (14.7 °F).
, usually no more than two or three days, during which the temperature can reach 32/33 °C (90/91 °F), and more rarely 35 °C (95 °F) and above. The heat record is 39 °C (102 °F), set in August 1975.
, which after hitting the southern United States turn towards the northeast, however, they generally affected the area to the south, up to New York, and the area to the northeast, i.e. Nova Scotia (Canada).
To visit Portland you can choose the period from mid-May to mid-September. It must be said that in summer, especially from late June to mid-August, it can sometimes be very hot.
In autumn, generally with a peak between mid and late October, you can admire the splendid colors taken on by the trees that are losing their leaves (the so-called
. Here are the average temperatures.
January, the coldest month of the year, is generally a very cold month. The average temperature is of
-4.4 °C, with a minimum of
-9.1 °C and a maximum of
0.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-21 °C. However, it dropped to
-27.8 °C in January 1994.
On the warmest days of the month, the temperature usually reaches around
11 °C. However, it reached
19.4 °C in January 2007.
Precipitation amounts to
89 mm, distributed over 9 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 66%.
The average wind speed is of
12.9 kph.
The average sea temperature is of
5.2 °C. Therefore, the sea is very cold for swimming.
February is generally a very cold month. The average temperature is of
-3.2 °C, with a minimum of
-8.1 °C and a maximum of
1.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-19 °C. However, it dropped to
-27.2 °C in February 2003.
On the warmest days of the month, the temperature usually reaches around
11 °C. However, it reached
20 °C in February 2018.
Precipitation amounts to
89.8 mm, distributed over 8 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 63%.
The average wind speed is of
13.6 kph.
The average sea temperature is of
3.8 °C. Therefore, the sea is very cold for swimming.
March is generally a cold month. The average temperature is of
1.2 °C, with a minimum of
-3.4 °C and a maximum of
5.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-14.5 °C. However, it dropped to
-21.7 °C in March 2015.
On the warmest days of the month, the temperature usually reaches around
16 °C. However, it reached
31 °C in March 1998.
Precipitation amounts to
103.7 mm, distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 63%.
The average wind speed is of
14.7 kph.
The average sea temperature is of
3.3 °C. Therefore, the sea is very cold for swimming.
April is generally a quite mild month. The average temperature is of
7 °C, with a minimum of
1.9 °C and a maximum of
12.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-4.5 °C. However, it dropped to
-9.5 °C in April 1995.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
32.2 °C in April 2009.
Precipitation amounts to
112 mm, distributed over 9 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 63%.
The average wind speed is of
14.6 kph.
The average sea temperature is of
5.3 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
12.7 °C, with a minimum of
7.5 °C and a maximum of
17.9 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-2.2 °C in May 2000.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
33.9 °C in May 2017.
Precipitation amounts to
93.2 mm, distributed over 9 days.
The day lasts on average 14 hours and 50 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 69%.
The average wind speed is of
12.7 kph.
The average sea temperature is of
8.1 °C. Therefore, the sea is very cold for swimming.
June is generally a very mild month. The average temperature is of
18 °C, with a minimum of
12.8 °C and a maximum of
23.1 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
2.2 °C in June 2001.
On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
36.7 °C in June 1991.
Precipitation amounts to
105.3 mm, distributed over 9 days.
The day lasts on average 15 hours and 25 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 8.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.
The average sea temperature is of
12.6 °C. Therefore, the sea is very cold for swimming.
July, the warmest month of the year, is generally a warm month. The average temperature is of
21.3 °C, with a minimum of
16.2 °C and a maximum of
26.4 °C.
On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
8 °C in July 2001.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
37.8 °C in July 2011.
Precipitation amounts to
87.2 mm, distributed over 8 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
10.7 kph.
The average sea temperature is of
16.3 °C. Therefore, the sea is cold for swimming.
August is generally a warm month. The average temperature is of
20.7 °C, with a minimum of
15.4 °C and a maximum of
26 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
5.5 °C in August 1995.
On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
37.2 °C in August 2016.
Precipitation amounts to
90.7 mm, distributed over 7 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
10.2 kph.
The average sea temperature is of
17.7 °C. Therefore, the sea is cold for swimming.
September is generally a very mild month. The average temperature is of
16.4 °C, with a minimum of
11.2 °C and a maximum of
21.7 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-1.2 °C in September 1995.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
34.4 °C in September 2010.
Precipitation amounts to
95.7 mm, distributed over 7 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
10.7 kph.
The average sea temperature is of
15.8 °C. Therefore, the sea is cold for swimming.
October is generally a mild month. The average temperature is of
10.2 °C, with a minimum of
5 °C and a maximum of
15.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-6.1 °C in October 2002.
On the warmest days of the month, the temperature usually reaches around
24 °C. However, it reached
29.4 °C in October 2011.
Precipitation amounts to
133.4 mm, distributed over 8 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
12 kph.
The average sea temperature is of
12.8 °C. Therefore, the sea is very cold for swimming.
November is generally a quite cold month. The average temperature is of
4.4 °C, with a minimum of
-0.2 °C and a maximum of
9.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-9 °C. However, it dropped to
-15.6 °C in November 2018.
On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
23.3 °C in November 2003.
Precipitation amounts to
107.9 mm, distributed over 9 days.
The day lasts on average 9 hours and 40 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 70%.
The average wind speed is of
12.2 kph.
The average sea temperature is of
9.8 °C. Therefore, the sea is very cold for swimming.
December is generally a very cold month. The average temperature is of
-0.9 °C, with a minimum of
-5.3 °C and a maximum of
3.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-25 °C in December 2017.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
21.7 °C in December 2001.
Precipitation amounts to
114.3 mm, distributed over 9 days.
The day lasts on average 9 hours and 0 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 69%.
The average wind speed is of
12.6 kph.
The average sea temperature is of
7.4 °C. Therefore, the sea is very cold for swimming.