Pasadena, TX Weather by Month and Climate Averages

How much rain does Pasadena get?

Pasadena gets 55.6 in of precipitation in an average year, spread over about 107 days with measurable rain. That is more rainy days than 66% of the US.

June is the wettest month, with 6.1 in. February is the driest, with 2.9 in. June has the most rainy days, about 10.

The longest dry spell in the last five years lasted 40 days, to September 3, 2023.

See where Pasadena ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Texas.

Pasadena weather by month

Pasadena weather in January

In January, Pasadena averages a high of 64°F and a low of 46°F. It gets 4.1 in of precipitation over about 10 rainy days. The sun is out about 44% of daylight hours. The January record high is 85°F (2022) and the record low is 15°F (1982). January is one of the most comfortable months to visit.

Pasadena weather in February

In February, Pasadena averages a high of 68°F and a low of 50°F. It gets 2.9 in of precipitation over about 9 rainy days. The sun is out about 40% of daylight hours. The February record high is 87°F (1986) and the record low is 15°F (2021). February is one of the most comfortable months to visit.

Pasadena weather in March

In March, Pasadena averages a high of 73°F and a low of 56°F. It gets 3.3 in of precipitation over about 8 rainy days. The sun is out about 36% of daylight hours. The March record high is 91°F (1972) and the record low is 24°F (1980). March is one of the most comfortable months to visit.

Pasadena weather in April

In April, Pasadena averages a high of 79°F and a low of 62°F. It gets 4.1 in of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The April record high is 94°F (2011) and the record low is 36°F (1987). April is one of the most comfortable months to visit.

Pasadena weather in May

In May, Pasadena averages a high of 86°F and a low of 69°F. It gets 5.4 in of precipitation over about 8 rainy days. The sun is out about 36% of daylight hours. The May record high is 100°F (1998) and the record low is 44°F (1978).

Pasadena weather in June

In June, Pasadena averages a high of 91°F and a low of 75°F. It gets 6.1 in of precipitation over about 10 rainy days. The sun is out about 48% of daylight hours. The June record high is 105°F (2013) and the record low is 56°F (1984).

Pasadena weather in July

In July, Pasadena averages a high of 93°F and a low of 76°F. It gets 4.6 in of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The July record high is 104°F (2022) and the record low is 66°F (1990).

Pasadena weather in August

In August, Pasadena averages a high of 93°F and a low of 76°F. It gets 5.4 in of precipitation over about 10 rainy days. The sun is out about 44% of daylight hours. The August record high is 109°F (2023) and the record low is 65°F (1992).

Pasadena weather in September

In September, Pasadena averages a high of 89°F and a low of 73°F. It gets 5.8 in of precipitation over about 10 rainy days. The sun is out about 52% of daylight hours. The September record high is 108°F (2000) and the record low is 53°F (1983).

Pasadena weather in October

In October, Pasadena averages a high of 82°F and a low of 63°F. It gets 5.8 in of precipitation over about 7 rainy days. The sun is out about 59% of daylight hours. The October record high is 98°F (2024) and the record low is 33°F (1993).

Pasadena weather in November

In November, Pasadena averages a high of 73°F and a low of 54°F. It gets 3.9 in of precipitation over about 8 rainy days. The sun is out about 47% of daylight hours. The November record high is 90°F (2017) and the record low is 25°F (1976). November is one of the most comfortable months to visit.

Pasadena weather in December

In December, Pasadena averages a high of 66°F and a low of 48°F. It gets 4.3 in of precipitation over about 10 rainy days. The sun is out about 43% of daylight hours. The December record high is 87°F (2021) and the record low is 9°F (1989). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Pasadena

October is the sunniest month in Pasadena, with sunshine about 59% of daylight hours. March is the cloudiest, at 36%. Over the year the sun shines about 44% of daylight hours. Pasadena is cloudier than 68% of the US.

Humidity peaks in May at 76% and is lowest in October at 69%.

Wind averages 8 mph over the year, and February is the windiest month at 9 mph.

Pasadena has about 98 days a year above 90°F. Pasadena is hotter than 92% of the US.

Thunderstorms occur on about 61 days a year.

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

First and last freeze in Pasadena

The first fall freeze in Pasadena typically comes around December 9, and the last spring freeze around February 10. That leaves a frost-free growing season of about 302 days.

Pasadena weather records

The hottest temperature on record at the Pasadena station is 109°F, on August 27, 2023. The coldest is 9°F, on December 23, 1989.

The wettest day on record brought 12.1 in of rain, on August 26, 2017.

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

The annual mean temperature has changed by +0.7°F per decade since 1970.

The best time to visit Pasadena

The most comfortable time to visit is typically January to April 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 48°F.

Spring (March–May) is warm, with average highs around 80°F and lows near 62°F.

Summer (June–August) is hot, with average highs around 92°F and lows near 76°F. It can feel humid.

Autumn (September–November) is warm, with average highs around 81°F and lows near 63°F.

Pasadena climate questions

How much rain does Pasadena get?

Pasadena gets 55.6 in of precipitation in an average year, over about 107 rainy days.

What is the wettest month in Pasadena?

June is the wettest month in Pasadena, with 6.1 in. February is the driest, with 2.9 in.

How many rainy days does Pasadena have a year?

Pasadena has about 107 days with measurable rain in an average year. June has the most, about 10.

What is the hottest month in Pasadena?

July is the warmest month in Pasadena, with an average high of 93°F.

What is the coldest month in Pasadena?

January is the coldest month in Pasadena, with an average low of 46°F.

What is the record high temperature in Pasadena?

The record high at the Pasadena station is 109°F, set on August 27, 2023. The record low is 9°F, on December 23, 1989.

What is the sunniest month in Pasadena?

October is the sunniest month in Pasadena, with sunshine about 59% of daylight hours. March is the cloudiest.

When is the first frost in Pasadena?

The first fall freeze in Pasadena typically comes around December 9. The last spring freeze is around February 10.

What is the best time to visit Pasadena?

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