Olympia weather by month
Warmest month
August
81°F (27°C) average high
Coolest month
January
36°F (2°C) average low
Wettest month
January
6.5 in (164 mm) of rain
Driest month
July
0.6 in (15 mm) of rain
Average temperature and rainfall in Olympia by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 46°F | 36°F | 15°F / 58°F | 6.5 in | 88% | 5 mph |
| February | 48°F | 37°F | 19°F / 60°F | 3.7 in | 86% | 7 mph |
| March | 53°F | 39°F | 25°F / 71°F | 3.8 in | 81% | 6 mph |
| April | 59°F | 43°F | 32°F / 76°F | 2.8 in | 75% | 6 mph |
| May | 67°F | 49°F | 38°F / 88°F | 2 in | 75% | 7 mph |
| June | 73°F | 52°F | 41°F / 93°F | 1.7 in | 69% | 6 mph |
| July | 80°F | 55°F | 46°F / 90°F | 0.6 in | 67% | 5 mph |
| August | 81°F | 57°F | 48°F / 95°F | 1.5 in | 68% | 5 mph |
| September | 72°F | 54°F | 43°F / 91°F | 3.4 in | 78% | 5 mph |
| October | 61°F | 47°F | 36°F / 76°F | 4.4 in | 84% | 5 mph |
| November | 52°F | 42°F | 27°F / 65°F | 4.5 in | 88% | 7 mph |
| December | 45°F | 37°F | 18°F / 59°F | 5.3 in | 90% | 5 mph |
Frost and snow-likely months in Olympia
No month in Olympia averages a night of 36°F (2°C) or below. The coldest month is January with an average low of 36°F (2°C) and a record low of 15°F (-9°C), so frost is rare and snow is very unlikely.
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Olympia
The most comfortable time to visit Olympia is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around January, totalling about 40.2 in (1021 mm) a year.
Travellers who prefer heat should aim for August, when highs average 81°F (27°C). January is the month to avoid if rain would spoil your plans — it averages 6.5 in (164 mm), roughly 11× the rainfall of the driest month (July).
Olympia climate: your questions
Does Olympia get snow?
No: the coldest month in Olympia is January with an average low of 36°F (2°C) and a record low of 15°F (-9°C), so snow is very unlikely. What is falling now: Olympia weather today.
Will it snow in Olympia this winter?
Olympia's winter months average lows of 37°F (3°C) in December, 36°F (2°C) in January and 37°F (3°C) in February, with about 15.4 in (392 mm) of precipitation across the three; 0 of them sit at or below 32°F (0°C), so snow is unlikely. The records hold no snowfall totals. The next 15 days: Olympia 10-day forecast.
When is the best time to visit Olympia?
June to August are the most comfortable months in Olympia, with highs near 78°F (26°C). August is the warmest month, averaging 81°F (27°C) by day; January is the wettest, with 6.5 in (164 mm); and January is the coolest, with lows near 36°F (2°C). What it is doing today: Olympia weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Olympia forecast for what is happening now.
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