May Weather in Temecula, United States

Last updated: February 24, 2025

May in Temecula, United States, brings a delightful blend of warmth and mildness, with maximum temperatures soaring to 33°C (91°F) and an average temperature of 18°C (64°F). The mornings can start chilly, dipping to a minimum of 8°C (47°F), inviting layers for early risers. While the month does see some precipitation, with 19 mm (0.8 in) falling over 5 days, the relatively low humidity of 46% ensures a comfortable atmosphere. This transitional month is perfect for outdoor activities, making it an ideal time to enjoy the scenic beauty of Temecula.

May Temperature in Temecula

In May, Temecula experiences a delightful transition towards warmer weather, with temperatures showcasing a gradual rise. The minimum temperature starts at a mild 8°C (47°F), while the average climbs to a pleasant 18°C (64°F), reaching a maximum of 33°C (91°F). This month marks a noticeable shift from the cooler spring temperatures, setting the stage for the hot summer ahead. As days grow longer and sunnier, May invites outdoor activities and events, making it an ideal time for visitors to explore the region's beautiful landscapes and vineyards. The warmth and vibrant atmosphere create a perfect backdrop for memorable experiences, highlighting the charm of Temecula in late spring.

May Weather in Temecula: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Temecula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555557626470767774696255
Data source: Temperature data for Temecula generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Temecula

May in Temecula sees a notable decline in precipitation, with only 19 mm (0.8 in) of rain recorded over 5 days. This marks a significant drop compared to the wetter months of January through March, each averaging over 60 mm of rainfall. As spring transitions into summer, the diminishing precipitation patterns continue, with June experiencing merely 3 mm. This trend indicates a clear shift towards the drier conditions typical of the region during the approaching summer months, where rain becomes increasingly scarce and the days grow warmer. The gradual reduction in both rainfall and precipitation days heralds the dry season ahead, underscoring Temecula's characteristic climate variability.

May Precipitation Trends in Temecula

The chart displays monthly precipitation patterns in Temecula, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec66646731193434112866
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Temecula

As May arrives in Temecula, the weather begins to shift, bringing a noticeable dip in humidity to 46%, marking one of the driest months of the year. This decline continues the trend established in April, where humidity decreased to 56%, showcasing a transition from the wetter winter months characterized by January's 72% humidity. Following May, the humidity remains relatively stable through June and July, both holding at 48% and 46%, respectively. Overall, this pattern illustrates a steady movement toward a drier summer, offering residents and visitors more comfortable conditions and inviting opportunities to enjoy the outdoors.

May Average Humidity in Temecula

This chart illustrates the average monthly humidity levels in Temecula, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Temecula

In Temecula, the UV Index in May reaches a striking 11, categorizing it as extreme and signaling a significant increase in risk compared to earlier months. Following the trend from April, where the index stood at 10, May offers just 10 minutes before unprotected skin can start to burn, emphasizing the importance of sun safety practices. As the year progresses, the UV Index continues to soar, peaking in June and July at 12, indicating that summer months require heightened awareness. With the UV levels consistently climbing from the moderate range in January (4) to this extreme peak by May, outdoor enthusiasts should prepare accordingly. For more detailed information and safety tips, visit Temecula UV Index.

Maximum UV Index Levels in Temecula for May

The chart shows the monthly maximum UV Index (UVI) for Temecula in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Temecula May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Temecula

As May unfolds in Temecula, the sun shines brightly with an impressive total of 367 hours of sunlight, marking a peak in the region's warm embrace. This month serves as a delightful transition from the gradual increase of sunlight seen in the earlier months—from 191 hours in January to 326 hours in April—finally reaching its zenith. Following May, June and July continue this trend with 374 and 380 hours respectively, highlighting a season of abundant sunshine. However, as summer wanes into fall, the hours of sunshine start to decline, reminding us of the seasonal rhythms that characterize this vibrant locale. The journey of sunlight in Temecula beautifully encapsulates the essence of each month, fostering an inviting atmosphere for residents and visitors alike.

Monthly Sunshine Duration in Temecula: May Highlighted

The May sunshine duration represents the total number of hours Temecula experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h245h298h326h367h374h380h362h320h298h257h226h
Data source: Temecula May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Temecula During May

As May unfolds in Temecula, the likelihood of encountering sunny weather sits at 53%, slightly lower than the previous month of April, which had a 55% chance of sunshine. This decline signals the end of spring's transitional period, as we move toward the sunnier summer months. Historically, the chances of sunny days increase heading into June, where 63% likelihood sparks optimism for longer, brighter days ahead. This trend highlights Temecula's overall climate pattern, where sunshine becomes more prevalent during the summer, peaking in the warmer months of August and September. Thus, while May may present a modest chance of sun, the promise of summer shines brightly on the horizon.

Percentage of Sunny Days in May in Temecula

The chart illustrates the percentage of sunny days in Temecula throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Temecula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%62%61%55%53%63%61%70%72%65%71%47%
Data source: Temecula May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Temecula in May

In Temecula, United States, May marks a transition as the days continue to stretch longer, offering about 13 hours of daylight. This duration mirrors April's sunlight but hints at the more radiant months ahead. As spring deepens into summer, daylight builds steadily, peaking in June with a robust 14 hours. In contrast, the year opens with a modest 10 hours of daylight in January and February, gradually increasing with each passing month. The trend showcases an inviting upward trajectory, indicating the region's vibrant seasonal shift that favors longer days filled with sunshine, perfect for outdoor adventures and gatherings.

Average Daylight Hours in Temecula for May

The chart illustrates the variation in daylight duration in Temecula throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 59m12h13h 2m13h 54m14h 19m14h 5m13h 19m12h 19m11h 17m10h 24m9h 57m
Data source: Temecula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Temecula

In Temecula, the winds of May are a delightful embrace, averaging 2.4 m/s (5 mph), which aligns with the breezy conditions experienced in both March and April. This stability in wind speed hints at a pleasant transition into late spring, where the gentle gusts enhance outdoor activities without overwhelming warmth. As the summer months approach, the wind tends to soften slightly, dropping to 2.1 m/s (5 mph) in June and creating a perfect setting for vineyard strolls and alfresco dining. Overall, May stands out as a consistent and refreshing month, serving as a charming precursor to the warmer days ahead.

Average May Wind Speed in Temecula

The chart displays monthly wind speed patterns in Temecula, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.92.42.42.4 m/s2.11.92.01.92.01.82.2
Data source: Temecula May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Temecula Compares to Other Months

The weather in Temecula changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Temecula and find detailed weather information for every month.

May and January present quite contrasting weather patterns. In May, temperatures range from a mild 8°C (47°F) at their lowest to a warm 33°C (91°F) at their peak, with an average of 18°C (64°F). The month experiences relatively low precipitation, totaling just 19 mm (0.8 in) over about five days and displaying a comfortable humidity level of 46%. In contrast, January is cooler, with minimum temperatures dropping to 2°C (36°F) and a comfortable average of 13°C (55°F), while reaching a maximum of 30°C (86°F). However, this month is significantly wetter, accumulating 66 mm (2.6 in) of rainfall over the same number of days, and the humidity is higher at 72%. For more details, you can visit Temecula weather in January.

May and February showcase distinct weather patterns, with May generally warmer and drier. May features a temperature range from a chilly 8°C (47°F) to a pleasant average of 18°C (64°F), peaking at a hot 33°C (91°F), and experiences only 19 mm (0.8 in) of precipitation over five days, with a humidity level of 46%. In contrast, February presents cooler temperatures, with a minimum of 1°C (35°F), an average of 13°C (55°F), and a maximum of 28°C (83°F). This month is much wetter, receiving 64 mm (2.5 in) of rain spread over six days, accompanied by higher humidity at 77%. For more details on February's climate, visit Temecula weather in February.

When comparing the weather in March and May, notable differences emerge. March tends to be cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), averaging around 14°C (57°F). In contrast, May experiences warmer temperatures, with lows of 8°C (47°F) and highs reaching up to 33°C (91°F), averaging 18°C (64°F). Additionally, March sees significantly more rainfall, averaging 67 mm (2.6 in) over 10 days, while May has much less precipitation, totaling only 19 mm (0.8 in) over 5 days. Humidity levels are also higher in March at 67%, compared to May's 46%. For a deeper look into March weather patterns, you can visit Temecula weather in March.

In comparing the weather between April and May, we see a slight increase in average temperatures from 17°C (62°F) in April to 18°C (64°F) in May. While May enjoys a maximum temperature of 33°C (91°F), April reaches a slightly higher max of 34°C (94°F). April is also characterized by higher humidity at 56%, compared to May's 46%. Precipitation decreases significantly in May, with only 19 mm (0.8 in) over 5 days, compared to April's 31 mm (1.2 in) over 3 days. For a more detailed look at April's weather patterns, visit Temecula weather in April.

In May, the weather begins to warm up with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), averaging around 18°C (64°F). The month sees a moderate amount of precipitation at 19 mm (0.8 in) over five days, while humidity remains relatively comfortable at 46%. In contrast, June enjoys warmer temperatures, with a minimum of 12°C (53°F) and maxing out at 36°C (98°F), averaging a pleasant 21°C (70°F). Additionally, June experiences significantly less precipitation, only 3 mm (0.1 in) with no rainy days, and a slightly higher humidity of 48%. For more detailed insights, you can check Temecula weather in June.

May and July exhibit distinct differences in weather patterns. In May, temperatures range from a cooler minimum of 8°C (47°F) to a warm maximum of 33°C (91°F), with an average of 18°C (64°F). This month witnesses some precipitation, averaging 19 mm (0.8 in) over 5 days, while humidity levels remain at a stable 46%. In contrast, July boasts significantly warmer temperatures, with a minimum of 14°C (58°F) and a striking maximum of 42°C (109°F), resulting in an average of 25°C (77°F). July is characterized by minimal precipitation, only 4 mm (0.2 in) and zero rainy days, maintaining the same humidity level of 46%. For more details on weather during this month, visit Temecula weather in July.

May and August exhibit distinct weather characteristics, reflecting the transition from spring to summer. In May, temperatures range from a cooler minimum of 8°C (47°F) to a warm maximum of 33°C (91°F), with an average temperature of 18°C (64°F). The month experiences moderate precipitation of 19 mm (0.8 in) over 5 days, contributing to a humidity level of 46%. In contrast, August is typically warmer, with minimum temperatures starting at 16°C (61°F) and peaking at 37°C (99°F), averaging 25°C (77°F). Precipitation is much lower in August, with only 3 mm (0.1 in) over 1 day and a slightly lower humidity of 42%. For more details on the weather during August, you can visit Temecula weather in August.

May and September offer distinct weather experiences, showcasing the transition from spring to fall. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average of 18°C (64°F). The month sees moderate precipitation of about 19 mm (0.8 in) across five days, along with a lower humidity level of 46%. In contrast, September boasts warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 43°C (109°F), leading to a much higher average of 24°C (75°F). The month is considerably drier, receiving only 4 mm (0.2 in) of rain on just one day and exhibiting slightly higher humidity at 52%. For more insights on September weather, check out Temecula weather in September.

In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average of 18°C (64°F) and about 19 mm (0.8 in) of precipitation over 5 days. The humidity is relatively low at 46%, providing a comfortable climate for outdoor activities. In contrast, October sees slightly warmer temperatures, with an average of 20°C (69°F) and a maximum reaching up to 38°C (100°F). This month experiences less rainfall, only 11 mm (0.4 in) over just 2 days, but the humidity increases to 58%, creating a different feel. For more details on October weather in Temecula, check out Temecula weather in October.

May and November present contrasting yet mild weather, each with its unique charm. May typically enjoys warmer temperatures, ranging from a minimum of 8°C (47°F) to an average of 18°C (64°F), with a maximum reaching up to 33°C (91°F). It has lower humidity at 46% and light rainfall amounts, totaling about 19 mm (0.8 in) over five days. In contrast, November brings cooler temperatures, with a minimum of 5°C (41°F) and an average of 17°C (62°F), while still allowing for warmer days with a maximum of 33°C (92°F). The month experiences higher humidity at 66% and slightly increased precipitation, with 28 mm (1.1 in) occurring over just two days. For more details on the weather patterns specific to this month, check out Temecula weather in November.

In May, the weather is generally warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F) and an average of 18°C (64°F). With only 19 mm (0.8 in) of precipitation over five days, the humidity is relatively low at 46%. In contrast, December presents a much cooler climate, with temperatures dipping to a minimum of 2°C (35°F) and averaging around 13°C (55°F). The highest temperature in December reaches 28°C (82°F), but the overall humidity increases significantly to 74%, accompanied by greater precipitation of 66 mm (2.6 in) over the same number of days. For more detailed information, visit Temecula weather in December.

Compare Temecula's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Temecula

May in Temecula marks a delightful transition as spring gives way to early summer, characterized by pleasantly warm temperatures that invite outdoor activities. With an average temperature hovering around a comfortable 18°C (64°F) and occasional peaks reaching as high as 33°C (91°F), this month contrasts sharply with the cooler conditions of earlier months. While May enjoys relatively low humidity levels at 46%, occasional rain may grace the landscape, bringing about 19 mm (0.8 in) of precipitation over just five days. This moderate rainfall and mild climate make May an ideal time for exploring Temecula's scenic vineyards and picturesque countryside. For a detailed overview of what to expect year-round, visit Temecula Climate.