Olympia weather in July: Olympia, Washington: normal highs, lows, rain and records for July
Olympia in July has a normal high of 78°F and a normal low of 51°F, a daily mean of 64°F, rising from 74°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 4 days in a normal July, 0.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 10°C, 13 mm of precipitation in July.
- NOAA stationOlympia Airport
- Station IDUSW00024227
- Location46.97°N 122.90°W
- Elevation188 ft (57 m)
- Population56,271
- Jan 46° 33°
- Feb 49° 32°
- Mar 54° 35°
- Apr 59° 38°
- May 66° 43°
- Jun 71° 47°
- Jul 78° 51°
- Aug 78° 51°
- Sep 72° 46°
- Oct 60° 41°
- Nov 51° 36°
- Dec 45° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olympia in July?
The normal high is 78°F and the normal low 51°F, for a daily mean of 64.2°F. July is 5.1°F warmer than June and 0.0°F cooler than August. July is the warmest month of the year in Olympia and the 12th wettest. Across the month the normal high rises 5°F, from 74°F on July 1 to 79°F on July 31. From one year to the next July's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Julys in three average between 62°F and 66°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 20%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 74°F | 49°F | 20% | 9% |
| July 8 | 76°F | 50°F | 17% | 7% |
| July 15 | 78°F | 51°F | 15% | 6% |
| July 22 | 79°F | 51°F | 13% | 5% |
| July 31 | 79°F | 52°F | 12% | 5% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 27, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 74°F | 49°F | 20% | 9% | 15 h 50 min |
| July 2 | 75°F | 49°F | 20% | 9% | 15 h 50 min |
| July 3 | 75°F | 49°F | 19% | 9% | 15 h 50 min |
| July 4 | 75°F | 50°F | 19% | 8% | 15 h 50 min |
| July 5 | 76°F | 50°F | 18% | 8% | 15 h 50 min |
| July 6 | 76°F | 50°F | 18% | 8% | 15 h 50 min |
| July 7 | 76°F | 50°F | 17% | 7% | 15 h 40 min |
| July 8 | 76°F | 50°F | 17% | 7% | 15 h 40 min |
| July 9 | 77°F | 50°F | 16% | 7% | 15 h 40 min |
| July 10 | 77°F | 50°F | 16% | 7% | 15 h 40 min |
| July 11 | 77°F | 50°F | 16% | 7% | 15 h 40 min |
| July 12 | 77°F | 51°F | 15% | 7% | 15 h 40 min |
| July 13 | 78°F | 51°F | 15% | 6% | 15 h 40 min |
| July 14 | 78°F | 51°F | 15% | 6% | 15 h 30 min |
| July 15 | 78°F | 51°F | 15% | 6% | 15 h 30 min |
| July 16 | 78°F | 51°F | 14% | 6% | 15 h 30 min |
| July 17 | 78°F | 51°F | 14% | 6% | 15 h 30 min |
| July 18 | 78°F | 51°F | 14% | 6% | 15 h 30 min |
| July 19 | 79°F | 51°F | 14% | 6% | 15 h 30 min |
| July 20 | 79°F | 51°F | 14% | 6% | 15 h 20 min |
| July 21 | 79°F | 51°F | 13% | 6% | 15 h 20 min |
| July 22 | 79°F | 51°F | 13% | 5% | 15 h 20 min |
| July 23 | 79°F | 51°F | 13% | 5% | 15 h 20 min |
| July 24 | 79°F | 52°F | 13% | 5% | 15 h 20 min |
| July 25 | 79°F | 52°F | 13% | 5% | 15 h 10 min |
| July 26 | 79°F | 52°F | 12% | 5% | 15 h 10 min |
| July 27 | 79°F | 52°F | 12% | 5% | 15 h 10 min |
| July 28 | 79°F | 52°F | 12% | 5% | 15 h 10 min |
| July 29 | 79°F | 52°F | 12% | 5% | 15 h |
| July 30 | 79°F | 52°F | 12% | 5% | 15 h |
| July 31 | 79°F | 52°F | 12% | 5% | 15 h |
- Normal high
- 78°FJuly average
- Normal low
- 51°FJuly average
- Precipitation
- 0.53 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 15 h 50 min to 15 hJuly 1 to July 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 12
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024227; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olympia in July?
On a given July day the chance of 0.01 inch or more is 15% on average, highest around July 1 (20%). In all, 0.53 in falls on 4 days of a normal July.
In a normal July in Olympia, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024227.
How humid and windy is Olympia in July?
At 3 p.m. the normal temperature is 78°F with 44% relative humidity and a dew point of 54°F; at 6 a.m. it is 55°F with 91% humidity. The wind averages 4.9 mph, most often from the northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 55°F | 52°F | 91% | 2.6 mph | 48% |
| 9 a.m. | 64°F | 54°F | 70% | 5.3 mph | 47% |
| noon | 73°F | 54°F | 52% | 6.6 mph | 59% |
| 3 p.m. | 78°F | 54°F | 44% | 7.4 mph | 67% |
| 6 p.m. | 76°F | 54°F | 46% | 8.0 mph | 75% |
| 9 p.m. | 65°F | 54°F | 68% | 4.4 mph | 83% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024227. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Olympia?
The warmest July temperature on Olympia's official record (since 1948) is 104°F, on July 29, 2009; the coldest is 35°F, on July 3, 1962. The wettest July brought 3.00 in (1983).
The July mean against the 1991-2020 normal of 64.2°F: 2021 65.6°F (+1.4), 2022 66.5°F (+2.3), 2023 65.3°F (+1.1), 2024 67.6°F (+3.4), 2025 65.5°F (+1.3), 2026 64.1°F (−0.1). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.6°F | +1.4°F | 0.00 in |
| 2022 | 66.5°F | +2.3°F | 0.09 in |
| 2023 | 65.3°F | +1.1°F | 0.03 in |
| 2024 | 67.6°F | +3.4°F | 0.21 in |
| 2025 | 65.5°F | +1.3°F | 0.00 in |
| 2026 | 64.1°F | −0.1°F | 0.12 in |
Source: records: ACIS, NWS threaded record OLMthr; recent months: ACIS, station USW00024227. Records and recent months use complete months only.
How does July in Olympia compare across Washington?
Across the 96 places PlainClimate covers in Washington, July normal highs run from 65°F in Long Beach to 93°F in Pasco; Olympia's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.