coast, at the 46th parallel, on the Columbia River Estuary, beyond which we find the state of Washington. In the cold semester, fog can form, at night and in the early morning. The rains are very frequent from November to February, while in spring they gradually become less frequent, and reach a minimum in July and August, when there are many sunny days.
is not very cold, but it is wet and rainy. Sometimes, there may be short cold periods, in which the nighttime temperature drops below freezing, and the daytime temperature rises slightly above freezing. Sometimes it can even snow. On the coldest nights of the year, the temperature generally drops to -4/-6 °C (21/25 °F), but can sometimes drop below. In December 2013, it went down to -10 °C (14 °C), and in December 1990, to as low as -14 °C (7 °F).
is particularly cool: the maximum temperature remains around 20 °C (68 °F) even in July and August. Also, in the afternoon, a lively breeze blows from the sea, cool if not cold.
On rare occasions, the temperature can reach 30/33 °C (86/91 °F), when a bit of hot air arrives from the California deserts, but even in these cases, at night, the temperature returns cool due to the sea breeze.
At the end of June 2021, during an exceptional heat wave, the temperature reached 38.3 °C (100.9 °F).
The best time to visit Astoria is from June to September, as it is the mildest and driest of the year.
. Here are the average temperatures.
January is generally a quite cold month. The average temperature is of
6.5 °C, with a minimum of
3.4 °C and a maximum of
9.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-8.9 °C in January 1993.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
19 °C in January 2005.
Precipitation amounts to
270 mm, distributed over 22 days.
The day lasts on average 9 hours and 5 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
13.4 kph.
The average sea temperature is of
9.1 °C. Therefore, the sea is very cold for swimming.
February is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
3 °C and a maximum of
10.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-6.2 °C in February 1996.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
22.2 °C in February 1996.
Precipitation amounts to
180 mm, distributed over 19 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
12.5 kph.
The average sea temperature is of
9 °C. Therefore, the sea is very cold for swimming.
March is generally a quite mild month. The average temperature is of
7.8 °C, with a minimum of
3.9 °C and a maximum of
11.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-3.3 °C in March 2012.
On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
25 °C in March 2019.
Precipitation amounts to
200 mm, distributed over 22 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
12.8 kph.
The average sea temperature is of
9.3 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
9.3 °C, with a minimum of
5.3 °C and a maximum of
13.3 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-1.7 °C in April 2008.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
29.4 °C in April 2016.
Precipitation amounts to
145 mm, distributed over 19 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12.5 kph.
The average sea temperature is of
10 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
11.9 °C, with a minimum of
7.9 °C and a maximum of
15.8 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
0 °C in May 2013.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
33.9 °C in May 2008.
Precipitation amounts to
85 mm, distributed over 16 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.
The average sea temperature is of
11.6 °C. Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of
14.1 °C, with a minimum of
10.3 °C and a maximum of
17.8 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
3.9 °C in June 2001.
On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
33.9 °C in June 2017.
Precipitation amounts to
60 mm, distributed over 14 days.
The day lasts on average 15 hours and 40 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 9 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12.4 kph.
The average sea temperature is of
13.2 °C. Therefore, the sea is very cold for swimming.
July is generally a very mild month. The average temperature is of
15.9 °C, with a minimum of
12.2 °C and a maximum of
19.7 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
6 °C in July 2008.
On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
35.6 °C in July 2004.
Precipitation amounts to
20 mm, distributed over 8 days.
The day lasts on average 15 hours and 20 minutes. So the days are long.
There are on average 10 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
12.8 kph.
The average sea temperature is of
14.4 °C. Therefore, the sea is very cold for swimming.
August, the warmest month of the year, is generally a very mild month. The average temperature is of
16.3 °C, with a minimum of
12.2 °C and a maximum of
20.4 °C.
On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
5.6 °C in August 1991.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
36.7 °C in August 2016.
Precipitation amounts to
30 mm, distributed over 8 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.
The average sea temperature is of
14.7 °C. Therefore, the sea is very cold for swimming.
September is generally a very mild month. The average temperature is of
15 °C, with a minimum of
10.3 °C and a maximum of
19.8 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
2.2 °C in September 2000.
On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
33 °C in September 2009.
Precipitation amounts to
70 mm, distributed over 10 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
10.8 kph.
The average sea temperature is of
14.4 °C. Therefore, the sea is very cold for swimming.
October is generally a mild month. The average temperature is of
11.6 °C, with a minimum of
7.2 °C and a maximum of
15.9 °C.
On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-2 °C in October 2002.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.3 °C in October 1991.
Precipitation amounts to
170 mm, distributed over 17 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
10.8 kph.
The average sea temperature is of
12.8 °C. Therefore, the sea is very cold for swimming.
November is generally a quite mild month. The average temperature is of
8.3 °C, with a minimum of
4.6 °C and a maximum of
12 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-6 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around
17.5 °C. However, it reached
22.8 °C in November 2010.
Precipitation amounts to
280 mm, distributed over 21 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 30% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
12.5 kph.
The average sea temperature is of
11.2 °C. Therefore, the sea is very cold for swimming.
December, the coldest month of the year, is generally a quite cold month. The average temperature is of
6.2 °C, with a minimum of
3.1 °C and a maximum of
9.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-10 °C in December 2013.
On the warmest days of the month, the temperature usually reaches around
14.5 °C. However, it reached
17.2 °C in December 1995.
Precipitation amounts to
270 mm, distributed over 22 days.
The day lasts on average 8 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2.5 hours of sunshine per day. So, the sun shines 27% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
13.4 kph.
The average sea temperature is of
9.8 °C. Therefore, the sea is very cold for swimming.