Modesto, CA weather and climate in 2025
Day
35 °C
Night
17 °C
Sea
14 °C
Precipitation
1 mm
in month
Rainy days
0 days
in month
Daylight
13 hours
average
Sunshine
12 hours
average
Humidity
51 %
Day
35 °C
Night
17 °C
Sea
14 °C
Precipitation
1 mm
in month
Rainy days
0 days
in month
Daylight
13 hours
average
Sunshine
12 hours
average
Humidity
51 %
Overview: Modesto, CA
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Weather overview for Modesto, CA
Weather overview
Experience sunny skies and mild conditions in Modesto, CA, with temperatures ranging from crisp winters averaging around 13 °C (55 °F) to sizzling summers peaking at 35 °C (96 °F). Residents enjoy a clear distinction between the rainy and dry seasons, with rain predominating in late fall through early spring, and dry, hot summer days that require light clothing and frequent hydration. With an array of sun-drenched days throughout the year, the outdoors beckons adventurers and casual strollers alike. Understanding Modesto's unique climate patterns is essential for anyone planning to spend time in this vibrant city nestled in California's Central Valley.
January weather
January brings a winter chill to Modesto, with night temperatures dropping to 4 °C (39 °F), and the probability of wet days being fairly high at 8 days. The rainfall for the month averages at 59 mm (2.32 in), so it’s important to be prepared for some rainy conditions.
February weather
February sees a mild uptick in temperatures with a daytime average reaching 17 °C (62 °F), while the rain slightly wanes with an average of 8 days expected to be wet. The landscape begins to dry, but carrying an umbrella wouldn’t hurt just in case.
March weather
March heralds the onset of spring with a moderate daytime temperature average of 20 °C (68 °F). Rainfall continues to subside, measuring an average of 54 mm (2.12 in), and the days get longer, promising more sunlit hours for outdoor adventures.
April weather
April in Modesto is characterized by a significant rise in temperature, averaging 24 °C (74 °F) during the day, while the wet days decrease further to an average of 5 days, marking the move towards drier times.
May weather
The merry month of May boasts balmy average daytime temperatures of 28 °C (83 °F), offering perfect conditions for virtually all forms of recreation. The number of rainy days is at a low 3 days, with very little precipitation expected at just 8 mm (0.32 in).
June weather
The heat intensifies in June as temperatures soar to an average high of 32 °C (90 °F). The onset of the dry season is marked by nearly nonexistent rain, at a scant 1 day, making this a time for sun worshipers and heat lovers to rejoice.
July weather
July stands as the peak of Modesto's summer with scorching daytime highs averaging 35 °C (96 °F), and the dry season firmly in place with barely any rainfall at 0 days, providing uninterrupted sunshine and blue skies.
August weather
As Modesto moves through August, the heat continues with an average high of 35 °C (94 °F). Despite being one of the driest months with only 0 days expected to be wet, the month still advises caution against the prolonged exposure to the sun.
September weather
September in Modesto sees a gentle dip in temperatures with a daytime average of 32 °C (89 °F). The dry season persists, though the odd shower can occur, with only about 1 day statistically getting some rainfall.
October weather
The fall season makes its presence known in October with a more comfortable average high temperature of 26 °C (79 °F). Rainfall starts to pick up again, with an anticipation of 3 days seeing some form of precipitation, signaling the transition period.
November weather
November brings cooler days to Modesto, as the average high temperature drops to 18 °C (65 °F). Wet days become more frequent at 6 days, and the rain gear comes back into regular rotation with an average rainfall of 45 mm (1.79 in).
December weather
The year rounds out in December with a return to the cooler temperatures, as the daytime average settles around 13 °C (55 °F). Wet conditions are more the rule than the exception, with approximately 8 days likely to be rainy as the holiday season approaches.
FAQs
How cold does it get in Modesto, CA during January nights?
January nights in Modesto can be quite cool with an average minimum temperature of 4 °C (39 °F), so grabbing a warm jacket for the evenings is advisable.
What kind of temperatures can I expect during the daytime in Modesto, CA in February?
Expect pleasantly mild conditions during February in Modesto with average high temperatures around 17 °C (62 °F) - perfect for enjoying outdoor activities.
Are March days warm enough in Modesto, CA for outdoor activities?
March days in Modesto are usually warm enough for most outdoor activities with an enjoyable daytime average temperature of 20 °C (68 °F).
What is the average daytime temperature in Modesto, CA in April?
April offers beautiful weather with average daytime temperatures hitting a comfortable 24 °C (74 °F), perfect for spring outings.
How warm is Modesto, CA in May?
May in Modesto is quite warm with daytime temperatures reaching an average high of 28 °C (83 °F), heralding the start of summer-like conditions.
Is June very hot in Modesto, CA?
June in Modesto can be quite hot with daytime high temperatures averaging 32 °C (90 °F), so staying hydrated and wearing sunscreen is advised.
How does Modesto, CA fare in terms of heat in July?
Modesto is typically very hot in July, with average high temperatures reaching a sizzling 35 °C (96 °F) - a time to enjoy swimming pools and air conditioning.
Does Modesto, CA stay hot in August?
Yes, Modesto remains hot in August with average daytime highs of 35 °C (94 °F), ensuring the summer heat lingers in the city.
What are September temperatures like in Modesto, CA?
September in Modesto offers warm, but slightly cooler conditions with average daytime temperatures around 32 °C (89 °F), ideal for end-of-summer activities.
Can I still expect warm days in Modesto, CA during October?
You can still enjoy warm days in October in Modesto, with average highs comfortably sitting at 26 °C (79 °F), suitable for enjoying the pleasant fall weather.
What type of weather should I expect in Modesto, CA in November?
Expect cooler and more variable weather in November in Modesto with temperatures averaging 18 °C (65 °F), giving a proper welcome to the chill of late fall.
Are December days in Modesto, CA usually cold?
December days in Modesto tend to be cool with an average high of 13 °C (55 °F), hand-in-hand with the winter season's chill.
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