Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Modesto in December

In an average December, Modesto sees a daily high around 58°F and a low around 42°F, based on 1980–2026 of local climate records.

Average high58°F
Typical high range52°F to 64°F
Average low42°F
Typical low range33°F to 51°F
Average daily precipitation0.10 in

December records

The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 72°F 2020-12-07
Lowest 36°F 1990-12-22

Low

Highest 60°F 2025-12-21
Lowest 20°F 1990-12-22

Feels-like

Highest 60°F 2025-12-21
Lowest 11°F 1990-12-22

Humidity

Highest 13.1 g/m³ 2005-12-23
Lowest 1.8 g/m³ 1990-12-22

Wind

Highest 25 mph 1995-12-12
Lowest 3 mph 2004-12-11

Gust

Highest 55 mph 1995-12-12
Lowest 7 mph 1985-12-19

Precip

Wettest 7.85 in 1996
Driest 0.00 in 1989

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