Alameda County
May
Weather in Alameda County for May 2025
Your guide to Alameda County weather in May - trends and predictions
In general, the average temperature in Alameda County at the beginning of May is 15.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.6 °F by the end of May.
With an average of 2 rainy days, Alameda County experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
- New! Chat with our AI weatherman - it’s amazing and free.
29
Dry days
2
Rainy days
0
Snow days
19°/10°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
Alameda County in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  16° | 3 17° | 4 14° | |||
| 5 15° | 6 15° | 7  16° | 8 18° | 9 20° | 10  19° | 11 19° |
| 12 19° | 13 21° | 14 20° | 15  19° | 16 20° | 17  19° | 18 19° |
| 19 18° | 20 18° | 21 20° | 22 19° | 23 18° | 24 17° | 25 16° |
| 26 17° | 27 18° | 28 16° | 29 18° | 30 19° | 31 19° |
You can click on date
Access Alameda County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Alameda County
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Patchy rain possible | 16° /9° | 0.8 mm | 4 | |
| May 2 | Moderate rain at times | 16° /9° | 2.9 mm | 4 | |
| May 3 | Moderate rain at times | 17° /9° | 5.2 mm | 5 | |
| May 4 | Moderate rain at times | 14° /9° | 10.7 mm | 4 | |
| May 5 | Patchy rain possible | 15° /8° | 0.2 mm | 4 | |
| May 6 | Patchy rain possible | 15° /9° | 1 mm | 4 | |
| May 7 | Partly cloudy | 16° /8° | 0 mm | 5 | |
| May 8 | Patchy rain possible | 18° /9° | 0.2 mm | 5 | |
| May 9 | Patchy rain possible | 20° /11° | 0.1 mm | 5 | |
| May 10 | Sunny | 19° /11° | 0 mm | 6 | |
| May 11 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| May 12 | Sunny | 19° /10° | 0 mm | 5 | |
| May 13 | Sunny | 21° /10° | 0 mm | 6 | |
| May 14 | Sunny | 20° /11° | 0 mm | 6 | |
| May 15 | Cloudy | 19° /11° | 0 mm | 5 | |
| May 16 | Partly cloudy | 20° /11° | 0 mm | 6 | |
| May 17 | Overcast | 19° /11° | 0 mm | 5 | |
| May 18 | Partly cloudy | 19° /11° | 0 mm | 6 | |
| May 19 | Partly cloudy | 18° /10° | 0 mm | 5 | |
| May 20 | Partly cloudy | 18° /11° | 0 mm | 5 | |
| May 21 | Sunny | 20° /11° | 0 mm | 6 | |
| May 22 | Sunny | 19° /10° | 0 mm | 6 | |
| May 23 | Overcast | 18° /10° | 0 mm | 5 | |
| May 24 | Partly cloudy | 17° /10° | 0.1 mm | 4 | |
| May 25 | Cloudy | 16° /9° | 0.3 mm | 4 | |
| May 26 | Overcast | 17° /10° | 0 mm | 5 | |
| May 27 | Overcast | 18° /10° | 0 mm | 5 | |
| May 28 | Patchy rain possible | 16° /10° | 0.2 mm | 4 | |
| May 29 | Overcast | 18° /10° | 0 mm | 4 | |
| May 30 | Partly cloudy | 19° /10° | 0 mm | 6 | |
| May 31 | Overcast | 19° /10° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Alameda County 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 Alameda County forecast closer to your planned date for the most up-to-date weather information.
Alameda County in May - FAQ
What are the expected maximum and minimum temperatures in Alameda County during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Alameda County during May?
In May, Alameda County can expect light to moderate rainfall, totaling 43 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Alameda County during May?
The average wind speed in Alameda County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in Alameda County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Alameda County?Get accurate weather forecasts for Alameda County, located at latitude 37.804 and longitude -122.271. Stay updated with localized weather information tailored for Alameda County.
Found a mistake?
We appreciate your attention to details. Tell us here.