Modesto, California, United States climate

Average temperatures, precipitation and all-time records for Modesto, California, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 94°F, and its coldest is January, with an average low of 41°F.

Modesto is the county seat of and the largest city in Stanislaus County, California, United States. With a population of 218,069 according to 2022 U.S. Census Bureau estimates, it is the 19th-most populous city in California. via Wikipedia

How today compares

Latest recorded day: 2026-07-24. Each reading placed on Modesto, California, United States's own ±7-day seasonal distribution.

High 96°F Above Normal · 73rd pct

Low 63°F Normal · 42nd pct

Feels-like 96°F Below Normal · 31st pct

Humidity 10.8 g/m³ Below Normal · 31st pct

Wind 13 mph Near Record · 99th pct

Gust 19 mph Below Normal · 32nd pct

Precip 0.00 in Dry

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Modesto average temperatures by month

Typical daily high and low, and average precipitation, for each month in Modesto, California, United States, based on 1980–2026 records. The wettest month is January (0.10 in on an average day).

Month	Avg high	Avg low	Avg precip
January	58°F	41°F	0.10 in
February	63°F	45°F	0.10 in
March	68°F	47°F	0.10 in
April	74°F	50°F	0.00 in
May	83°F	56°F	0.00 in
June	90°F	61°F	0.00 in
July	94°F	64°F	0.00 in
August	92°F	63°F	0.00 in
September	87°F	60°F	0.00 in
October	80°F	54°F	0.00 in
November	66°F	46°F	0.10 in
December	58°F	42°F	0.10 in

Jan 33°–65°

Feb 37°–70°

Mar 41°–77°

Apr 44°–84°

May 50°–93°

Jun 55°–99°

Jul 58°–101°

Aug 58°–98°

Sep 55°–95°

Oct 48°–88°

Nov 39°–73°

Dec 33°–64°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 110°F on 2006-07-23
Coldest day on record: 20°F on 1990-12-22

All Modesto weather records →

Percentiles compare each day to Modesto, California, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →