Deer Valley, AZ Weather by Month and Climate Averages

How much rain does Deer Valley get?

Deer Valley gets 8.9 in of precipitation in an average year, spread over about 35 days with measurable rain. That is fewer rainy days than 90% of the US.

February is the wettest month, with 1.2 in. June is the driest, with 0.0 in. August has the most rainy days, about 5.

The longest dry spell in the last five years lasted 102 days, to July 12, 2026.

See where Deer Valley ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Arizona.

Deer Valley weather by month

Deer Valley weather in January

In January, Deer Valley averages a high of 66°F and a low of 44°F. It gets 1.2 in of precipitation over about 4 rainy days. The sun is out about 62% of daylight hours. The January record high is 82°F (2006) and the record low is 22°F (2007). January is one of the most comfortable months to visit.

Deer Valley weather in February

In February, Deer Valley averages a high of 68°F and a low of 46°F. It gets 1.2 in of precipitation over about 4 rainy days. The sun is out about 69% of daylight hours. The February record high is 90°F (2026) and the record low is 24°F (2011).

Deer Valley weather in March

In March, Deer Valley averages a high of 76°F and a low of 51°F. It gets 1.1 in of precipitation over about 3 rainy days. The sun is out about 64% of daylight hours. The March record high is 103°F (2026) and the record low is 32°F (2002). March is one of the most comfortable months to visit.

Deer Valley weather in April

In April, Deer Valley averages a high of 83°F and a low of 57°F. It gets 0.3 in of precipitation over about 2 rainy days. The sun is out about 82% of daylight hours. The April record high is 101°F (2012) and the record low is 37°F (1999).

Deer Valley weather in May

In May, Deer Valley averages a high of 92°F and a low of 65°F. It gets 0.2 in of precipitation over about 1 rainy days. The sun is out about 88% of daylight hours. The May record high is 110°F (2000) and the record low is 47°F (1999).

Deer Valley weather in June

In June, Deer Valley averages a high of 102°F and a low of 74°F. It gets 0.0 in of precipitation over about 1 rainy days. The sun is out about 81% of daylight hours. The June record high is 117°F (2016) and the record low is 57°F (1999).

Deer Valley weather in July

In July, Deer Valley averages a high of 104°F and a low of 82°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 60% of daylight hours. The July record high is 116°F (2023) and the record low is 66°F (2004).

Deer Valley weather in August

In August, Deer Valley averages a high of 103°F and a low of 80°F. It gets 1.0 in of precipitation over about 5 rainy days. The sun is out about 63% of daylight hours. The August record high is 115°F (2025) and the record low is 69°F (2009).

Deer Valley weather in September

In September, Deer Valley averages a high of 98°F and a low of 75°F. It gets 0.7 in of precipitation over about 3 rainy days. The sun is out about 81% of daylight hours. The September record high is 112°F (2020) and the record low is 56°F (2017).

Deer Valley weather in October

In October, Deer Valley averages a high of 87°F and a low of 63°F. It gets 0.7 in of precipitation over about 3 rainy days. The sun is out about 83% of daylight hours. The October record high is 108°F (2024) and the record low is 40°F (2009).

Deer Valley weather in November

In November, Deer Valley averages a high of 75°F and a low of 51°F. It gets 0.9 in of precipitation over about 3 rainy days. The sun is out about 76% of daylight hours. The November record high is 95°F (2020) and the record low is 30°F (2010). November is one of the most comfortable months to visit.

Deer Valley weather in December

In December, Deer Valley averages a high of 64°F and a low of 43°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 64% of daylight hours. The December record high is 82°F (2021) and the record low is 28°F (2003). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Deer Valley

May is the sunniest month in Deer Valley, with sunshine about 88% of daylight hours. July is the cloudiest, at 60%. Over the year the sun shines about 73% of daylight hours. Deer Valley is sunnier than 99% of the US.

Humidity peaks in January at 46% and is lowest in May at 16%.

Wind averages 6 mph over the year, and July is the windiest month at 7 mph.

Deer Valley has about 153 days a year above 90°F. Deer Valley is hotter than 99% of the US.

Thunderstorms occur on about 23 days a year.

See where Deer Valley ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

Deer Valley weather records

The hottest temperature on record at the Deer Valley station is 117°F, on June 19, 2016. The coldest is 22°F, on January 14, 2007.

The wettest day on record brought 2.4 in of rain, on September 9, 2013.

The best time to visit Deer Valley

The most comfortable time to visit is typically January, March, and November to December, when daytime highs sit near 70°F.

Winter (December–February) is mild, with average highs around 66°F and lows near 44°F.

Spring (March–May) is hot, with average highs around 84°F and lows near 57°F.

Summer (June–August) is hot, with average highs around 103°F and lows near 79°F.

Autumn (September–November) is hot, with average highs around 86°F and lows near 63°F.

Deer Valley climate questions

How much rain does Deer Valley get?

Deer Valley gets 8.9 in of precipitation in an average year, over about 35 rainy days.

What is the wettest month in Deer Valley?

February is the wettest month in Deer Valley, with 1.2 in. June is the driest, with 0.0 in.

How many rainy days does Deer Valley have a year?

Deer Valley has about 35 days with measurable rain in an average year. August has the most, about 5.

What is the hottest month in Deer Valley?

July is the warmest month in Deer Valley, with an average high of 104°F.

What is the coldest month in Deer Valley?

December is the coldest month in Deer Valley, with an average low of 43°F.

What is the record high temperature in Deer Valley?

The record high at the Deer Valley station is 117°F, set on June 19, 2016. The record low is 22°F, on January 14, 2007.

What is the sunniest month in Deer Valley?

May is the sunniest month in Deer Valley, with sunshine about 88% of daylight hours. July is the cloudiest.

What is the best time to visit Deer Valley?

The most comfortable time to visit is typically January, March, and November to December, when daytime highs sit near 70°F.