Olympia
The tables below display average monthly climate and weather indicators in Olympia Washington.
Temperature by: Fahrenheit / Centigrade
| Olympia Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | 3.3 | 5.1 | 6.6 | 8.6 | 11.8 | 14.8 | 17.2 | 17.4 | 14.4 | 9.8 | 5.8 | 3.4 | 9.8 |
| Avg. Max Temperature | 6.9 | 9.7 | 12.2 | 14.9 | 18.5 | 21.6 | 24.7 | 25.1 | 21.7 | 15.8 | 10.0 | 6.8 | 15.7 |
| Avg. Min Temperature | -0.2 | 0.4 | 0.9 | 2.3 | 5.0 | 8.0 | 9.6 | 9.7 | 7.1 | 3.8 | 1.7 | 0.1 | 4.0 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 2.0 | 2.0 | 1.0 | < 0.5 | 0.0 | 0.0 | 6.0 |
| Days with Min Temp Below Freezing | 15.0 | 14.0 | 13.0 | 8.0 | 2.0 | < 0.5 | 0.0 | 0.0 | 1.0 | 5.0 | 10.0 | 15.0 | 84.0 |
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| Olympia Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 837 | 669 | 657 | 525 | 366 | 201 | 96.0 | 102 | 222 | 474 | 675 | 831 | 5655 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.0 | 31.0 | 49.0 | 9.0 | 0.0 | 0.0 | 0.0 | 101 |
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| Olympia Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 8.0 | 5.8 | 5.0 | 3.3 | 2.1 | 1.6 | 0.8 | 1.3 | 2.3 | 4.3 | 8.1 | 8.1 | 50.6 |
| Days with Precipitation 0.01 inch or More | 20.0 | 17.0 | 18.0 | 15.0 | 11.0 | 9.0 | 5.0 | 6.0 | 8.0 | 14.0 | 20.0 | 21.0 | 163 |
| Monthly Snowfall (inches) | 6.8 | 3.2 | 1.7 | 0.1 | < 0.05 | < 0.05 | 0.0 | 0.0 | < 0.05 | < 0.05 | 1.4 | 3.5 | 16.7 |
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| Other Olympia Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 7.1 | 7.1 | 7.2 | 7.3 | 6.9 | 6.7 | 6.2 | 6.0 | 5.7 | 5.8 | 6.9 | 7.2 | 6.7 |
| Clear Days | 2.0 | 2.0 | 3.0 | 3.0 | 4.0 | 5.0 | 10.0 | 9.0 | 8.0 | 3.0 | 2.0 | 2.0 | 52.0 |
| Partly Cloudy Days | 4.0 | 4.0 | 6.0 | 7.0 | 9.0 | 8.0 | 10.0 | 10.0 | 10.0 | 8.0 | 5.0 | 4.0 | 84.0 |
| Cloudy Days | 25.0 | 22.0 | 22.0 | 20.0 | 18.0 | 16.0 | 11.0 | 12.0 | 13.0 | 20.0 | 23.0 | 26.0 | 228 |
| Percent of Possible Sunshine | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Avg. Relative Humidity | 64.5 | 85.5 | 81.0 | 76.0 | 73.5 | 73.0 | 72.5 | 70.5 | 71.5 | 74.0 | 80.0 | 86.5 | 88.5 |
Weather information for other cities in Washington