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Pasadena, TX Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Pasadena, TX?
Pasadena, TX gets 55.6 in of precipitation a year over about 107 rainy days. July is the warmest month (average high 93°F) and January the coldest (average low 46°F).
Humid subtropical climate
Pasadena, TX has hot summers and mild winters. Daytime highs range from about 64°F in January to 93°F in August. June is usually the wettest month. The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 70°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 48° | 66° |
| Spring | Mar–May | 62° | 80° |
| Summer | Jun–Aug | 76° | 92° |
| Autumn | Sep–Nov | 63° | 81° |
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.
From September 2025 to August 2026 Pasadena got 38.8 in of rain, against a normal of 55.6 in for those months. June 2026 had the most, with 8.6 in.
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. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. 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 estimated sunshine of 59% of daylight hours from ERA5 cloud cover. March is the cloudiest, at 36%. The annual cloud-cover estimate is 44% of daylight hours; it is not a measurement of sunshine duration. 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 99 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
These records cover HOUSTON WILLIAM P HOBBY AP during 1970–2026. Earlier records or other stations in the city may differ.
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 in the available station history brought 12.1 in of precipitation, 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.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Wind | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|---|
| January | 46° | 64° | 4.1 in | 10 | 9 mph | 70% | 44% | 85° | 15° |
| February | 50° | 68° | 2.9 in | 9 | 9 mph | 72% | 40% | 87° | 15° |
| March | 56° | 73° | 3.3 in | 8 | 9 mph | 71% | 36% | 91° | 24° |
| April | 62° | 79° | 4.1 in | 8 | 9 mph | 71% | 39% | 94° | 36° |
| May | 69° | 86° | 5.4 in | 8 | 8 mph | 76% | 36% | 100° | 44° |
| June | 75° | 91° | 6.1 in | 10 | 7 mph | 74% | 48% | 105° | 56° |
| July | 76° | 93° | 4.6 in | 9 | 6 mph | 76% | 38% | 104° | 66° |
| August | 76° | 93° | 5.4 in | 10 | 6 mph | 73% | 44% | 109° | 65° |
| September | 73° | 89° | 5.8 in | 10 | 7 mph | 73% | 52% | 108° | 53° |
| October | 63° | 82° | 5.8 in | 7 | 7 mph | 69% | 59% | 98° | 33° |
| November | 54° | 73° | 3.9 in | 8 | 8 mph | 73% | 47% | 90° | 25° |
| December | 48° | 66° | 4.3 in | 10 | 9 mph | 74% | 43% | 87° | 9° |
Station: HOUSTON WILLIAM P HOBBY AP, 9 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
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?
Within the available 1970–2026 station history, 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 estimated sunshine of 59% of daylight hours from ERA5 cloud cover. 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.