Olympia (WA)
May
Weather in Olympia, Washington for May 2026
Your guide to Olympia weather in May - trends and predictions
In general, the average temperature in Olympia at the beginning of May is 18.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.6 °F by the end of May.
The climate of Olympia in May is notably wet, with an average of 12 rainy days, and a total of 45.4 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
17°/8°
Temperatures
13 km/h
Avg max wind
70 %
Avg humidity
Olympia Weather May
Move between months or click on a day
Temperatures trend during May in Olympia
See the weather trend as well as the moving average line
May weather in Olympia day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 24° /5° | 0 mm | 6 | |
| May 2 |  Partly cloudy | 19° /9° | 0.3 mm | 5 | |
| May 3 |  Moderate rain at times | 12° /7° | 0.8 mm | 3 | |
| May 4 |  Patchy rain possible | 14° /5° | 0.1 mm | 3 | |
| May 5 | Sunny | 21° /6° | 0 mm | 6 | |
| May 6 | Partly cloudy | 23° /7° | 0 mm | 6 | |
| May 7 | Patchy rain possible | 14° /8° | 0.2 mm | 3 | |
| May 8 |  Cloudy | 14° /5° | 0 mm | 3 | |
| May 9 |  Overcast | 19° /6° | 0 mm | 4 | |
| May 10 | Patchy rain possible | 16° /9° | 0.2 mm | 4 | |
| May 11 | Moderate or heavy rain shower | 14° /9° | 5.7 mm | 3 | |
| May 12 | Moderate or heavy rain shower | 13° /8° | 4.4 mm | 3 | |
| May 13 | Patchy rain possible | 15° /9° | 0.8 mm | 4 | |
| May 14 | Overcast | 14° /9° | 0 mm | 3 | |
| May 15 | Moderate rain at times | 12° /8° | 4.8 mm | 3 | |
| May 16 | Moderate rain at times | 11° /8° | 5.1 mm | 3 | |
| May 17 | Moderate rain at times | 14° /8° | 4.4 mm | 3 | |
| May 18 | Patchy rain possible | 13° /7° | 0.4 mm | 3 | |
| May 19 | Moderate or heavy rain shower | 13° /8° | 9 mm | 3 | |
| May 20 | Moderate or heavy rain shower | 12° /8° | 5.3 mm | 3 | |
| May 21 | Patchy rain possible | 16° /6° | 0.2 mm | 4 | |
| May 22 | Cloudy | 17° /9° | 0 mm | 4 | |
| May 23 | Overcast | 16° /7° | 0 mm | 4 | |
| May 24 | Sunny | 21° /7° | 0 mm | 6 | |
| May 25 | Overcast | 18° /10° | 0 mm | 4 | |
| May 26 | Overcast | 16° /11° | 0 mm | 4 | |
| May 27 | Partly cloudy | 23° /9° | 0 mm | 6 | |
| May 28 | Sunny | 27° /13° | 0 mm | 7 | |
| May 29 | Moderate rain at times | 19° /11° | 3.7 mm | 4 | |
| May 30 | Cloudy | 23° /9° | 0 mm | 5 | |
| May 31 | Overcast | 18° /13° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Olympia in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Olympia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Olympia in May - FAQ
What are the expected maximum and minimum temperatures in Olympia during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Olympia during May?
In May, Olympia can expect light to moderate rainfall, totaling 45.4 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Olympia during May?
The average wind speed in Olympia during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Olympia
Explore the daily rainfall trends and prepare for Olympias May weather 💧
UV exposure in Olympia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Quick links
More Olympia weather pages
You are here
Where is Olympia?Get accurate weather forecasts for Olympia, located at latitude 47.038 and longitude -122.901. Stay updated with localized weather information tailored for Olympia.
Found a mistake?
We appreciate your attention to details. Tell us here.