Climate and monthly weather forecastTemecula, CA

Climate and monthly weather forecast
The climate of Temecula
In terms of climate classification, Temecula, California, falls under the Köppen Csa category, characterized as a Mediterranean climate with hot summers. Nestled in the heart of California's south coast, the town experiences weather conditions typical of this climate type.The overall atmospheric conditions in Temecula are fairly moderate, providing comfortable climatic conditions throughout the year. The temperatures show a decent range across the seasons, with the highest around 87.4°F (30.8°C) in August and the lowest recording at 43.3°F (6.3°C) in February. Variations can also be seen in the levels of humidity, with November having the lowest at 52% and May having the highest at 65%.
When it comes to unique weather patterns, Temecula sees its maximum rainfall in February with 1.65" (42mm), while June is the driest month with a mere 0.04" (1mm) of rain. The number of sunshine hours can also drastically change from 6.5 hours in December to a whopping 12.1 hours in July.
The best time to visit Temecula
Considering the climatic conditions and average weather parameters, the most favorable time to visit Temecula lies between early June and late October. This period is marked by warmer temperatures, varying between 73.8°F (23.2°C) to 87.4°F (30.8°C). Accompanied by up to 14.3 hours of daylight and a relatively low humidity that falls within the 53% to 61% range during these months, the weather is ideal for sightseeing and wine tasting tours that the region is famous for.The worst time to visit Temecula
February is considered the least desirable month for a visit to Temecula. During this month, temperatures drop to an average low of 43.3°F (6.3°C) and the region experiences its peak rainfall with 1.65" (42mm). Alongside these chilly conditions, February is also marked by fewer sunshine hours, with only approximately 6.6 hours per day. Such weather parameters may hinder outdoor activities and sightseeing.Spring weather in Temecula
In Temecula, the spring season unfolds between March and May, witnessing a gradual increase in temperature from 66.7°F (19.3°C) in March to 73.8°F (23.2°C) by the end of May. Rainfall during these months notably decreases from 1.02" (26mm) in March to a low 0.39" (10mm) in May. Simultaneously, the hours of daylight increase from 12 hours in March to 13.9 hours in May, with sunshine hours also increasing from 8.4 to 10.9 hours.Summer weather in Temecula
The summer months in Temecula, from June to August, are characterized by relatively high temperatures averaging between 80.6°F (27°C) and 87.4°F (30.8°C). Accompanying these warm temperatures, rainfall is scarce with an average of only about 0.31" (8mm) per month. This dry summer period, along with the long hours of sunshine of up to 12 hours per day, offers the perfect conditions for visitors to enjoy the region's outdoor attractions.Autumn weather in Temecula
During autumn, from September to November, temperatures in Temecula start decreasing from 85.1°F (29.5°C) in September to a comfortable 70.2°F (21.2°C) in November. Rainfall remains relatively low, increasing slightly from 0.28" (7mm) in September to 0.91" (23mm) by November. This season, with an average of 10.4 hours of sunshine during November, is ideal for enjoying the harvest season in the local wineries.Winter weather in Temecula
Winter in Temecula extends from December to February, with temperatures ranging from a low of 43.3°F (6.3°C) to a high of 61.7°F (16.5°C). Rainfall increases significantly during this season, reaching a peak of 1.81" (46mm) in December. Daylight reduces to barely 10 hours in December and January, along with a drop in sunshine hours to about 6.5 in December. Despite being the coolest season, winter in Temecula is far from severe, making it a year-round destination for many travelers.Weather in January
In January, the weather in Temecula, California, moves on from the chill of end-year festivities towards the slightly warmer climate. Compared to the preceding December, the temperatures inch upwards indicating the slow departure of the winter season. Weather in January »Weather in February
As Temecula strides into February, subtle changes discreetly alter the weather patterns. Following the relatively dry January, February experiences a rise in rainfall from 1.26" (32mm) to 1.65" (42mm) making it one of the wetter months of the year. Weather in February »Weather in March
The weather in Temecula, during March, signals the onset of Spring, with its characteristic features. A marginal decrease in humidity paves the way for more comfortable and dry days compared to the more humid February. Though March entertains a higher cloud cover of 27%, it does not dampen the spirit of spring festivities. Weather in March »Weather in April
Drifting into April, the change in the weather conditions of Temecula is more pronounced. The days and nights both grow warmer making April significantly hotter than March. Despite an upsurge in temperature, April also brings a decrease in the rainfall, making it the driest month of the year with rainfall only extending to 0.75" (19mm). Weather in April »Weather in May
In May, the weather in Temecula takes on a summery touch. The temperatures reach new heights with the year progressing towards the hot season. Days appear longer and sunnier due to distinct decline in the cloud cover from 24% in April to 21% in May. Weather in May »Weather in June
June brings in a burst of summertime in Temecula along with temperatures escalating further. The weather deviates noticeably from May with longer sunlit hours and higher UV index. June turns out to be among the driest months of the year with the least rainfall, encouraging outdoor activities and water sports. Weather in June »Weather in July
The mid-year in Temecula, July, retains the summer vibrancy with the weather conditions hardly deviating from June. It features the highest temperature of the year which hovers around 86°F (30°C). July also witnesses the maximum daylight hours, only second to June, making it a month full of sunny days and warm evenings. Weather in July »Weather in August
Moving onto August, the weather in Temecula continues to simmer under the summer sun. With higher temperatures compared to the following September and reduced rainfall, the residents bask under the summer heat. Despite receiving abundant sunshine, August carries lower humidity making the weather pleasant. Weather in August »Weather in September
September in Temecula presents a significant shift from the fierce summer to the cooler autumn season. Comparatively lower temperatures, especially in the nights, offer a refreshing break from the previous hot summer months. An increase in the cloud cover, creates a play of light and shadow under the autumn sky. Weather in September »Weather in October
When October arrives in Temecula, the weather displays distinctly autumnal characteristics. The falling temperatures bring on the much-awaited chill of the autumn breeze. A significant decrease in rainfall from 0.35" (9mm) to 0.91" (23mm) comes as a sign of the upcoming dryer November. Weather in October »Weather in November
November transforms Temecula's weather noticeably with the winter season just around the corner. Foliages take remarkable autumn colors and the daylight hours shrink. Despite the charm of the Autumn season, a spike in rainfall indicates the arrival of the wet season. Weather in November »Weather in December
Finally, December ushers in the winter season in Temecula with dropping temperatures and increased cloud cover. Following a drier November, rainfall in December reaches a peak from 1.81" (46mm) setting it apart as the wettest month of the year. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Temecula, CA
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure
Temecula, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.87"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Temecula, CA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5mph - Average wind speed in March:
5.1mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5.4mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.3mph - Average wind speed in October:
4.4mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity
Temecula, CA
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall
Temecula, CA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.65" - Average rainfall in March:
1.02" - Average rainfall in April:
0.75" - Average rainfall in May:
0.39" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.39" - Average rainfall in September:
0.28" - Average rainfall in October:
0.35" - Average rainfall in November:
0.91" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Temecula, CA
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
6 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
5 days - Average rainfall days in August:
4 days - Average rainfall days in September:
4.1 days - Average rainfall days in October:
3.8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight / Average sunshine
Temecula, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 42min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 36min - Average sunshine in May:
10h and 54min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 30min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Temecula, CA
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
21.3 days - Average sunshine days in April:
22.8 days - Average sunshine days in May:
24 days - Average sunshine days in June:
26.5 days
- Average sunshine days in July:
23 days - Average sunshine days in August:
24.9 days - Average sunshine days in September:
24 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
24.4 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index
Temecula, CA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Temecula, CA
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Temecula, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





