San Tan Valley Weather in January

The climate in San Tan Valley during January can be summarized as mild and dry.

January is in the winter in San Tan Valley and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 3°C (37°F) is normal.

On average January is the 5th wettest month of the year in San Tan Valley with around 27mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Tan Valley in January 2024.