San Joaquin County (Stockton)
May
Weather in San Joaquin County, California for May 2027
Your guide to San Joaquin County weather in May - trends and predictions
In general, the average temperature in San Joaquin County at the beginning of May is 21.8 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.5 °C by the end of May.
With an average of 2 rainy days, San Joaquin County experiences minimal rainfall in May.
Is May a good time to visit San Joaquin County? check out the best time to travel to San Joaquin County page.
✨ Is May a good time to visit San Joaquin County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
29
Dry days
2
Rainy days
0
Snow days
27°/11°
Temperatures
17 km/h
Avg max wind
52 %
Avg humidity
San Joaquin County Weather May
Move between months or click on a day
Temperatures trend during May in San Joaquin County
See the weather trend as well as the moving average line
May weather in San Joaquin County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 24° /10° | 0 mm | 7 | |
| May 2 |  Patchy rain possible | 23° /11° | 1 mm | 6 | |
| May 3 |  Cloudy | 22° /11° | 0.4 mm | 6 | |
| May 4 |  Moderate rain at times | 19° /9° | 5.3 mm | 5 | |
| May 5 | Patchy rain possible | 20° /9° | 1.2 mm | 4 | |
| May 6 | Patchy rain possible | 23° /10° | 2 mm | 7 | |
| May 7 | Patchy rain possible | 24° /10° | 0.1 mm | 7 | |
| May 8 |  Sunny | 26° /9° | 0.1 mm | 7 | |
| May 9 | Sunny | 29° /11° | 0 mm | 8 | |
| May 10 | Sunny | 29° /12° | 0 mm | 8 | |
| May 11 | Sunny | 29° /12° | 0 mm | 8 | |
| May 12 | Patchy rain possible | 27° /13° | 2.1 mm | 7 | |
| May 13 | Sunny | 27° /12° | 0 mm | 8 | |
| May 14 | Sunny | 30° /12° | 0 mm | 8 | |
| May 15 | Sunny | 31° /12° | 0 mm | 8 | |
| May 16 | Sunny | 31° /13° | 0 mm | 8 | |
| May 17 | Overcast | 28° /12° | 0 mm | 8 | |
| May 18 | Sunny | 29° /13° | 0 mm | 8 | |
| May 19 | Sunny | 30° /12° | 0 mm | 8 | |
| May 20 | Sunny | 31° /13° | 0 mm | 8 | |
| May 21 | Sunny | 32° /12° | 0 mm | 9 | |
| May 22 | Sunny | 31° /13° | 0 mm | 8 | |
| May 23 |  Partly cloudy | 27° /11° | 0 mm | 8 | |
| May 24 | Sunny | 26° /11° | 0 mm | 7 | |
| May 25 | Cloudy | 25° /10° | 0 mm | 7 | |
| May 26 | Sunny | 26° /11° | 0.1 mm | 8 | |
| May 27 | Sunny | 29° /11° | 0.1 mm | 8 | |
| May 28 | Patchy rain possible | 27° /12° | 0.1 mm | 6 | |
| May 29 | Partly cloudy | 28° /11° | 0.2 mm | 7 | |
| May 30 | Sunny | 32° /12° | 0 mm | 9 | |
| May 31 | Sunny | 34° /14° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for San Joaquin 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 San Joaquin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Joaquin County in May - FAQ
What are the expected maximum and minimum temperatures in San Joaquin County during May?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Joaquin County during May?
Expect minimal rainfall in San Joaquin County during May, with a total of 12.6 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in San Joaquin County during May?
The average wind speed in San Joaquin County during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in San Joaquin County
Explore the daily rainfall trends and prepare for San Joaquin Countys May weather 💧
Typically, San Joaquin County has 2 rainy days in May with a total of 12.6 mm of rainfall.
UV exposure in San Joaquin County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Top locations in San Joaquin County
Select a location for an accurate weather forecast
More Locations Quick links
More San Joaquin County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.