Lancaster (CA)
May
Weather in Lancaster, California for May 2026
Your guide to Lancaster weather in May - trends and predictions
In general, the average temperature in Lancaster at the beginning of May is 21.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28 °F by the end of May.
Precipitation in Lancaster during May is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
25°/11°
Temperatures
33 km/h
Avg max wind
45 %
Avg humidity
Lancaster Weather May
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Temperatures trend during May in Lancaster
See the weather trend as well as the moving average line
May weather in Lancaster day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 23° /10° | 0 mm | 6 | |
| May 2 | Sunny | 27° /10° | 0 mm | 7 | |
| May 3 | Sunny | 23° /11° | 0 mm | 6 | |
| May 4 |  Cloudy | 18° /9° | 0 mm | 4 | |
| May 5 | Sunny | 16° /7° | 0.1 mm | 4 | |
| May 6 | Sunny | 21° /7° | 0 mm | 6 | |
| May 7 | Sunny | 24° /8° | 0 mm | 7 | |
| May 8 | Sunny | 26° /9° | 0 mm | 7 | |
| May 9 | Sunny | 29° /12° | 0 mm | 7 | |
| May 10 | Sunny | 31° /14° | 0 mm | 8 | |
| May 11 | Sunny | 31° /15° | 0 mm | 8 | |
| May 12 | Sunny | 25° /13° | 0 mm | 6 | |
| May 13 |  Overcast | 23° /12° | 0 mm | 6 | |
| May 14 | Sunny | 25° /9° | 0 mm | 7 | |
| May 15 |  Partly cloudy | 27° /9° | 0 mm | 7 | |
| May 16 | Sunny | 27° /9° | 0 mm | 7 | |
| May 17 | Sunny | 22° /11° | 0 mm | 6 | |
| May 18 | Sunny | 22° /9° | 0 mm | 6 | |
| May 19 | Sunny | 27° /8° | 0 mm | 7 | |
| May 20 |  Moderate rain at times | 32° /12° | 0.2 mm | 8 | |
| May 21 |  Patchy rain possible | 33° /13° | 0.2 mm | 8 | |
| May 22 | Sunny | 30° /13° | 0.1 mm | 7 | |
| May 23 | Sunny | 26° /11° | 0 mm | 7 | |
| May 24 | Overcast | 23° /9° | 0 mm | 6 | |
| May 25 | Sunny | 25° /9° | 0 mm | 6 | |
| May 26 | Sunny | 26° /9° | 0 mm | 6 | |
| May 27 | Sunny | 29° /10° | 0 mm | 7 | |
| May 28 | Partly cloudy | 29° /12° | 0 mm | 7 | |
| May 29 | Sunny | 29° /12° | 0 mm | 7 | |
| May 30 | Sunny | 30° /12° | 0 mm | 8 | |
| May 31 | Sunny | 28° /14° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Lancaster 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 Lancaster forecast closer to your planned date for the most up-to-date weather information.
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Lancaster in May - FAQ
What are the expected maximum and minimum temperatures in Lancaster during May?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lancaster during May?
Rainfall in Lancaster during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Lancaster during May?
The average wind speed in Lancaster during May is 33 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Lancaster
Explore the daily rainfall trends and prepare for Lancasters May weather 💧
UV exposure in Lancaster during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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