Vacaville (CA)
May
Weather in Vacaville, California for May 2027
Your guide to Vacaville weather in May - trends and predictions
In general, the average temperature in Vacaville at the beginning of May is 23.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.3 °C by the end of May.
With an average of 4 rainy days, Vacaville experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
27°/11°
Temperatures
19 km/h
Avg max wind
59 %
Avg humidity
Vacaville Weather May
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Temperatures trend during May in Vacaville
See the weather trend as well as the moving average line
May weather in Vacaville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 26° /10° | 0 mm | 8 | |
| May 2 | Overcast | 22° /9° | 0 mm | 7 | |
| May 3 |  Patchy rain possible | 21° /9° | 0.2 mm | 7 | |
| May 4 |  Sunny | 22° /9° | 4.3 mm | 7 | |
| May 5 | Sunny | 23° /13° | 2 mm | 5 | |
| May 6 | Sunny | 27° /11° | 0 mm | 9 | |
| May 7 | Overcast | 25° /9° | 0 mm | 8 | |
| May 8 | Overcast | 28° /9° | 0 mm | 8 | |
| May 9 |  Partly cloudy | 31° /12° | 0 mm | 9 | |
| May 10 | Sunny | 31° /12° | 0 mm | 9 | |
| May 11 | Partly cloudy | 27° /11° | 0 mm | 8 | |
| May 12 |  Moderate or heavy rain shower | 23° /11° | 2.7 mm | 7 | |
| May 13 | Patchy rain possible | 23° /9° | 0.1 mm | 8 | |
| May 14 |  Cloudy | 27° /9° | 0 mm | 8 | |
| May 15 | Partly cloudy | 29° /11° | 0 mm | 9 | |
| May 16 | Sunny | 28° /12° | 0 mm | 9 | |
| May 17 | Cloudy | 26° /12° | 0 mm | 8 | |
| May 18 | Sunny | 28° /14° | 0 mm | 9 | |
| May 19 | Sunny | 31° /14° | 0 mm | 9 | |
| May 20 | Sunny | 31° /13° | 0 mm | 9 | |
| May 21 | Sunny | 31° /12° | 0 mm | 8 | |
| May 22 | Sunny | 28° /12° | 0 mm | 9 | |
| May 23 | Overcast | 25° /9° | 0 mm | 8 | |
| May 24 | Overcast | 26° /9° | 0 mm | 9 | |
| May 25 |  Mist | 23° /9° | 0 mm | 8 | |
| May 26 | Cloudy | 24° /10° | 0.4 mm | 9 | |
| May 27 | Partly cloudy | 27° /9° | 0.4 mm | 10 | |
| May 28 | Mist | 25° /10° | 1.2 mm | 6 | |
| May 29 | Partly cloudy | 26° /11° | 0.3 mm | 6 | |
| May 30 | Partly cloudy | 33° /13° | 0 mm | 10 | |
| May 31 | Sunny | 33° /13° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Vacaville 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 Vacaville forecast closer to your planned date for the most up-to-date weather information.
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Vacaville in May - FAQ
What are the expected maximum and minimum temperatures in Vacaville 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 Vacaville during May?
Expect minimal rainfall in Vacaville during May, with a total of 11.7 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Vacaville during May?
The average wind speed in Vacaville during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Vacaville
Explore the daily rainfall trends and prepare for Vacavilles May weather 💧
Typically, Vacaville has 4 rainy days in May with a total of 11.7 mm of rainfall.
UV exposure in Vacaville during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Vacaville?Get accurate weather forecasts for Vacaville, located at latitude 38.357 and longitude -121.988. Stay updated with localized weather information tailored for Vacaville.
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