Tucson, AZ Weather by Month and Climate Averages

How much rain does Tucson get?

Tucson gets 10.6 in of precipitation in an average year, spread over about 47 days with measurable rain. That is fewer rainy days than 84% of the US.

July is the wettest month, with 2.2 in. May is the driest, with 0.2 in. July has the most rainy days, about 9.

The longest dry spell in the last five years lasted 86 days, to January 28, 2025.

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

Does it snow in Tucson?

Rarely. The reporting station for Tucson averages under 0.5 in of snow a season.

The snowiest winter on record is 1971–72, with 6.8 in.

The most recent measurable snow at the station fell on March 2, 2023.

See where Tucson ranks: snowiest cities in the US.

Tucson weather by month

Tucson weather in January

In January, Tucson averages a high of 67°F and a low of 40°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 66% of daylight hours. The January record high is 87°F (1999) and the record low is 17°F (1971). January is one of the most comfortable months to visit.

Tucson weather in February

In February, Tucson averages a high of 70°F and a low of 43°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 70% of daylight hours. The February record high is 91°F (2009) and the record low is 18°F (2011). February is one of the most comfortable months to visit.

Tucson weather in March

In March, Tucson averages a high of 76°F and a low of 47°F. It gets 0.6 in of precipitation over about 3 rainy days. The sun is out about 66% of daylight hours. The March record high is 102°F (2026) and the record low is 22°F (1971). March is one of the most comfortable months to visit.

Tucson weather in April

In April, Tucson averages a high of 83°F and a low of 53°F. It gets 0.2 in of precipitation over about 2 rainy days. The sun is out about 82% of daylight hours. The April record high is 104°F (1989) and the record low is 32°F (2023).

Tucson weather in May

In May, Tucson averages a high of 92°F and a low of 61°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 109°F (2005) and the record low is 40°F (1988).

Tucson weather in June

In June, Tucson averages a high of 101°F and a low of 70°F. It gets 0.2 in of precipitation over about 2 rainy days. The sun is out about 75% of daylight hours. The June record high is 117°F (1990) and the record low is 50°F (1971).

Tucson weather in July

In July, Tucson averages a high of 101°F and a low of 76°F. It gets 2.2 in of precipitation over about 9 rainy days. The sun is out about 52% of daylight hours. The July record high is 114°F (1989) and the record low is 59°F (1992).

Tucson weather in August

In August, Tucson averages a high of 99°F and a low of 74°F. It gets 2.0 in of precipitation over about 9 rainy days. The sun is out about 55% of daylight hours. The August record high is 112°F (1993) and the record low is 63°F (1979).

Tucson weather in September

In September, Tucson averages a high of 95°F and a low of 70°F. It gets 1.3 in of precipitation over about 4 rainy days. The sun is out about 77% of daylight hours. The September record high is 111°F (2023) and the record low is 53°F (1988).

Tucson weather in October

In October, Tucson averages a high of 87°F and a low of 58°F. It gets 0.7 in of precipitation over about 3 rainy days. The sun is out about 82% of daylight hours. The October record high is 106°F (2024) and the record low is 26°F (1971).

Tucson weather in November

In November, Tucson averages a high of 75°F and a low of 47°F. It gets 0.6 in of precipitation over about 3 rainy days. The sun is out about 73% of daylight hours. The November record high is 94°F (2020) and the record low is 23°F (2010). November is one of the most comfortable months to visit.

Tucson weather in December

In December, Tucson averages a high of 66°F and a low of 40°F. It gets 1.0 in of precipitation over about 4 rainy days. The sun is out about 70% of daylight hours. The December record high is 85°F (2021) and the record low is 16°F (1974). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Tucson

May is the sunniest month in Tucson, with sunshine about 88% of daylight hours. July is the cloudiest, at 52%. Over the year the sun shines about 71% of daylight hours. Tucson is sunnier than 99% of the US.

Humidity peaks in January at 44% and is lowest in May at 16%.

Wind averages 7 mph over the year, and April is the windiest month at 8 mph.

Tucson has about 151 days a year above 90°F. Tucson is hotter than 99% of the US.

Thunderstorms occur on about 40 days a year.

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

First and last freeze in Tucson

The first fall freeze in Tucson typically comes around November 30, and the last spring freeze around February 15. That leaves a frost-free growing season of about 288 days.

Tucson weather records

The hottest temperature on record at the Tucson station is 117°F, on June 26, 1990. The coldest is 16°F, on December 24, 1974.

The wettest day on record brought 3.0 in of rain, on October 1, 1983.

34 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.9°F per decade since 1970.

The best time to visit Tucson

The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 71°F.

Winter (December–February) is mild, with average highs around 67°F and lows near 41°F. Snow is possible.

Spring (March–May) is hot, with average highs around 84°F and lows near 54°F.

Summer (June–August) is hot, with average highs around 100°F and lows near 73°F.

Autumn (September–November) is hot, with average highs around 86°F and lows near 58°F.

Tucson climate questions

How much rain does Tucson get?

Tucson gets 10.6 in of precipitation in an average year, over about 47 rainy days.

What is the wettest month in Tucson?

July is the wettest month in Tucson, with 2.2 in. May is the driest, with 0.2 in.

How many rainy days does Tucson have a year?

Tucson has about 47 days with measurable rain in an average year. July has the most, about 9.

Does it snow in Tucson?

Rarely. The reporting station for Tucson averages under 0.5 in of snow a season. The snowiest winter on record is 1971–72, with 6.8 in.

What is the hottest month in Tucson?

June is the warmest month in Tucson, with an average high of 101°F.

What is the coldest month in Tucson?

January is the coldest month in Tucson, with an average low of 40°F.

What is the record high temperature in Tucson?

The record high at the Tucson station is 117°F, set on June 26, 1990. The record low is 16°F, on December 24, 1974.

What is the sunniest month in Tucson?

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

When is the first frost in Tucson?

The first fall freeze in Tucson typically comes around November 30. The last spring freeze is around February 15.

What is the best time to visit Tucson?

The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 71°F.