and is located in the southernmost part of the Puget Sound (the one where the mitigating influence of the sea is lowest), and approximately 75 km (45 mi) southwest of Seattle. About 85 km (50 mi) east-southeast we find Mount Rainier.
The city is rainier than Seattle because it is located more to the south and therefore is not protected by the Olympic Mountains. However, here too, the high pressure system prevails in summer, which brings good weather.
is not very cold, every winter there can be a cold period, with night lows of -7/-8 °C (18/19 °F). Moreover, there can sometimes be cold waves, sometimes even in November, with lows going down to -10 °C (14 °F) or even below. The temperature dropped to -22.3 °C (-8 °F) in January 1979, to -18.3 (-0.9 °F) and in December 1998, to -17.8 °C (0 °F) in November 1985, and to -17.2 °C (1 °F) in December 1990.
Snow is quite rare, but given the high precipitation level, a heavy snowfall can occasionally occur. On average, 10 cm (4 in) of snow fall per year.
, nights are cool, and sometimes even a little cold, while the days are generally pleasant. However, it can sometimes get hot, and on the hottest days of the year, it can reach 35/36 °C (95/97 °F). In August 1981 and in July 2009, the temperature reached 40 °C (104 °F), while during the heat wave of late June 2021, it reached 43 °C (109 °F).
The best time to visit Olympia is summer, especially in July and August, since it is the mildest, driest and sunniest period of the year. May, June and September are also acceptable months.
. Here are the average temperatures.
January is generally a quite cold month. The average temperature is of
4.2 °C, with a minimum of
0.7 °C and a maximum of
7.8 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-12.3 °C in January 1993.
On the warmest days of the month, the temperature usually reaches around
13.5 °C. However, it reached
17.8 °C in January 2005.
Precipitation amounts to
200 mm, distributed over 20 days.
The day lasts on average 9 hours and 0 minutes.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
The average sea temperature is of
8.1 °C. Therefore, the sea is very cold for swimming.
February is generally a quite cold month. The average temperature is of
4.8 °C, with a minimum of
0.2 °C and a maximum of
9.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-7 °C. However, it dropped to
-15 °C in February 2011.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
21.7 °C in February 1992.
Precipitation amounts to
130 mm, distributed over 16 days.
The day lasts on average 10 hours and 25 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
9.1 kph.
The average sea temperature is of
8 °C. Therefore, the sea is very cold for swimming.
March is generally a quite mild month. The average temperature is of
6.7 °C, with a minimum of
1.4 °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
-10 °C in March 1991.
On the warmest days of the month, the temperature usually reaches around
20 °C. However, it reached
26.1 °C in March 2004.
Precipitation amounts to
145 mm, distributed over 19 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
9.9 kph.
The average sea temperature is of
8.3 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
9 °C, with a minimum of
3.1 °C and a maximum of
14.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-5 °C in April 2020.
On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
31.1 °C in April 2016.
Precipitation amounts to
95 mm, distributed over 16 days.
The day lasts on average 13 hours and 40 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
9.9 kph.
The average sea temperature is of
9.1 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
12.5 °C, with a minimum of
6.1 °C and a maximum of
18.9 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-3 °C in May 2002.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
33.3 °C in May 2005.
Precipitation amounts to
55 mm, distributed over 11 days.
The day lasts on average 15 hours and 5 minutes. So the days are long.
The average humidity is 70%.
The average wind speed is of
9.2 kph.
The average sea temperature is of
10.5 °C. Therefore, the sea is very cold for swimming.
June is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
15.1 °C, with a minimum of
8.6 °C and a maximum of
21.6 °C.
On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.6 °C in June 1991.
On the warmest days of the month, the temperature usually reaches around
31 °C. However, it reached
36.7 °C in June 2017.
Precipitation amounts to
35 mm, distributed over 8 days.
The day lasts on average 15 hours and 50 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 69%.
The average wind speed is of
9.5 kph.
The average sea temperature is of
12 °C. Therefore, the sea is very cold for swimming.
July is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
17.9 °C, with a minimum of
10.4 °C and a maximum of
25.3 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
3.3 °C in July 2003.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
40 °C in July 2009.
Precipitation amounts to
15 mm, distributed over 4 days.
The day lasts on average 15 hours and 25 minutes. So the days are long.
The average humidity is 66%.
The average wind speed is of
8.6 kph.
The average sea temperature is of
13.1 °C. Therefore, the sea is very cold for swimming.
August, the warmest month of the year, is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
17.9 °C, with a minimum of
10.3 °C and a maximum of
25.6 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
3.3 °C in August 2003.
On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
37.2 °C in August 2020.
Precipitation amounts to
25 mm, distributed over 5 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
The average humidity is 67%.
The average wind speed is of
8.1 kph.
The average sea temperature is of
13.4 °C. Therefore, the sea is very cold for swimming.
September is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
15.1 °C, with a minimum of
7.9 °C and a maximum of
22.3 °C.
On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-3.3 °C in September 2000.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
33.3 °C in September 2003.
Precipitation amounts to
50 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
7.6 kph.
The average sea temperature is of
12.8 °C. Therefore, the sea is very cold for swimming.
October is generally a mild month. The average temperature is of
10.2 °C, with a minimum of
4.7 °C and a maximum of
15.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-8.3 °C in October 2002.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
30 °C in October 1991.
Precipitation amounts to
130 mm, distributed over 15 days.
The day lasts on average 10 hours and 50 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.
The average sea temperature is of
11.2 °C. Therefore, the sea is very cold for swimming.
November is generally a quite cold month. The average temperature is of
6.2 °C, with a minimum of
2.1 °C and a maximum of
10.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-6 °C. However, it dropped to
-12.8 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
22.8 °C in November 2002.
Precipitation amounts to
210 mm, distributed over 20 days.
The day lasts on average 9 hours and 20 minutes.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
9.6 kph.
The average sea temperature is of
9.7 °C. Therefore, the sea is very cold for swimming.
December, the coldest month of the year, is generally a cold month. The average temperature is of
3.8 °C, with a minimum of
0.4 °C and a maximum of
7.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-18.3 °C in December 1998.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
17.8 °C in December 2014.
Precipitation amounts to
200 mm, distributed over 20 days.
The day lasts on average 8 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
The average sea temperature is of
8.6 °C. Therefore, the sea is very cold for swimming.