Stockton, CA weather and climate in 2025
Day
34 °C
Night
16 °C
Sea
13 °C
Precipitation
0 mm
in month
Rainy days
0 days
in month
Daylight
14 hours
average
Sunshine
13 hours
average
Humidity
48 %
Day
34 °C
Night
16 °C
Sea
13 °C
Precipitation
0 mm
in month
Rainy days
0 days
in month
Daylight
14 hours
average
Sunshine
13 hours
average
Humidity
48 %
Overview: Stockton, CA
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Weather overview for Stockton, CA
Weather overview
Weather in Stockton, CA, offers distinct seasonal contrasts, from mild, wet winters to dry, hot summers. An ideal climate for agriculture, Stockton boasts average daytime highs ranging from a pleasant 13 °C (55 °F) in December to a warm 34 °C (93 °F) in July. Rainfall patterns reflect a Mediterranean influence, with a peak precipitation of 66 mm (2.60 in) in January, tapering to a mere 0 mm (0.01 in) in July. Humidity levels vary, peaking in winter at 83 %, and tending to be much lower during the hot summer months. Despite these variations, residents and visitors can enjoy generous amounts of sunshine throughout the year, culminating in an average of 13 hours of sun per day in July.
January weather
January in Stockton sees the winter season in full swing with an average high temperature of 13 °C (55 °F) and the most rainfall, with 66 mm (2.60 in) of precipitation. The nights can be brisk, with an average low of 4 °C (38 °F), and you may find the occasional fog hugging the ground in the early mornings.
February weather
February brings a hint of spring to Stockton with daytime temperatures warming up to a pleasant 16 °C (62 °F). Rainfall begins to decrease slightly to 61 mm (2.42 in), and the average number of wet days drops as the month progresses.
March weather
March in Stockton sees the spring season blooming with average highs of 20 °C (67 °F). The city experiences a relative decrease in precipitation to 57 mm (2.25 in), and the days continue to grow longer and sunnier.
April weather
April showcases warmer days in Stockton with daily highs averaging 23 °C (73 °F). The number of wet days falls to an average of 5 days, and rainfall decreases significantly to 28 mm (1.09 in).
May weather
May in Stockton is characterized by warmer temperatures, averaging 27 °C (81 °F) during the day, while rainfall is minimal at just 12 mm (0.49 in). Nights warm up as well, with an average low of 11 °C (52 °F).
June weather
The onset of summer in June ushers in higher temperatures in Stockton, with an average high of 31 °C (88 °F). Nights remain pleasantly warm with an average low of 14 °C (57 °F), and rainfall becomes a rarity, registering at 3 mm (0.12 in).
July weather
July in Stockton is peak summer, with the highest temperatures of the year averaging 34 °C (93 °F). Nights are warm, with temperatures averaging 16 °C (60 °F), and the city enjoys abundant sunshine, making it virtually rain-free.
August weather
August in Stockton continues to embrace the summer heat, with day temperatures remaining high at 34 °C (92 °F), and rainfall remaining extremely low, increasing enjoyment of the outdoor summer activities.
September weather
As September arrives in Stockton, the heat begins to subtly wane, with average high temperatures decreasing to 31 °C (88 °F). The precipitation remains low, and the evenings start to cool down slightly.
October weather
October brings a noticeable change to Stockton as the fall season takes hold. Daytime highs average 26 °C (79 °F) and rainfall starts to pick up slightly with an average of 20 mm (0.81 in).
November weather
November in Stockton shows the fall season in effect, with average daytime temperatures at a cooler 19 °C (65 °F). Rain frequency increases, gearing up for the wetter months ahead.
December weather
December marks the beginning of winter in Stockton, with daytime highs averaging 13 °C (55 °F). Rainfall is fairly common, and the cool temperatures mean that residents will bundle up during this festive month.
FAQs
How often does it rain in Stockton during January?
January is Stockton's wettest month, with an average of 9 of rain, so keep your umbrella handy!
Does it start getting warmer in Stockton, CA in February?
Yes, you'll feel the temperature begin to rise in February with average highs reaching 16 °C (62 °F), hinting at the onset of spring.
What's the temperature like during the day in Stockton, CA in March?
Daytime temperatures in March are delightful, averaging around 20 °C (67 °F), perfect for outdoor activities and enjoying the spring bloom.
How much does it rain in Stockton, CA in April?
April sees a continued decline in rainfall with totals around 28 mm (1.09 in) and fewer days of precipitation.
Can we expect a lot of rain in Stockton during May?
Rain is quite scarce in May, with the region receiving a low average of 12 mm (0.49 in) of precipitation over 2.
How often do rainy days occur in Stockton, CA during June?
Rainy days are few and far between in June, with the city experiencing an average of 1 of rain.
What are the typical daytime temperatures in Stockton in July?
Typical daytime temperatures in Stockton soar to a sweltering 34 °C (93 °F) in July.
Does August in Stockton, CA have a lot of sunshine?
August in Stockton is full of sunshine, with long sunlit days and an average sun hours of 12 hours, ensuring that you'll have plenty of time to bask in the warmth.
Are September days in Stockton still very hot?
Yes, September days in Stockton can still be quite hot, with daytime temperatures averaging 31 °C (88 °F), but it's generally slightly cooler than the peak summer months.
What are the average temperatures in Stockton, CA during October?
October in Stockton sees moderate and comfortable temperatures, with an average high of 26 °C (79 °F) and a cooler night average of 10 °C (51 °F).
What type of clothing is best for November weather in Stockton, CA?
Layering is key in November, with temperatures averaging 19 °C (65 °F) during the day, and cooler nights requiring a warmer jacket.
Is December a cold month in Stockton, CA?
December is one of the cooler months in Stockton, with average highs around 13 °C (55 °F), so dressing warmly is advisable.
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