Pasadena, TX weather and climate in 2025
Day
33 °C
Night
24 °C
Sea
29 °C
Precipitation
130 mm
in month
Rainy days
11 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
77 %
Day
33 °C
Night
24 °C
Sea
29 °C
Precipitation
130 mm
in month
Rainy days
11 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
77 %
Overview: Pasadena, TX
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Weather overview for Pasadena, TX
Weather overview
Pasadena, TX boasts warm conditions throughout the year, with balmy summers and relatively mild winters. Daytime temperatures can soar as high as 33 °C (92 °F) in summer, with July generally being the toastiest. Rainfall is well distributed across the year, with peak precipitation occurring in June, when the city can receive up to 163 mm (6.43 in). There's a consistent breeze through the city, which is most noticeable in spring months when the wind speed averages 5 m/s. Residents will experience more humidity in the summer months, and the area is free from a designated wet or dry season, which means rainfall can be fairly unpredictable.
January weather
January in Pasadena, TX greets you with cooler air, as daytime temperatures average around 17 °C (63 °F). The chilly night whispers with an average low of 7 °C (44 °F), while the rainfall remains moderate, depositing 97 mm (3.80 in) over the course of about 9 days.
February weather
With the arrival of February, days get slightly warmer in Pasadena, TX, featuring an average high of 19 °C (66 °F). The night temperatures gently rise to 9 °C (47 °F), and the rain slightly retreats with about 8 days of wet conditions expected.
March weather
March sees a pleasant uptick in temperatures in Pasadena, reaching an agreeable daytime high of 22 °C (72 °F). The nights remain cool around 12 °C (54 °F). Rain showers disperse over approximately 8 days, and the wind maintains a gentle flow with speeds averaging around 4 m/s.
April weather
April's warmth is more pronounced, as Pasadena, TX enjoys an average high of 26 °C (78 °F) during the day. The nocturnal chill eases to an average low of 16 °C (61 °F). Just over a half dozen rain days are to be expected, with the wind picking up speed, hitting an average of 5 m/s.
May weather
May's approach heralds the beginning of true warm weather in Pasadena, TX, with daytime temperatures ascending to an average high of 30 °C (85 °F). The night air is balmy at 20 °C (69 °F), while showers dot the landscape for approximately 8 days.
June weather
The month of June marks the peak of rainfall in Pasadena, TX, with an average precipitation level of 163 mm (6.43 in). Daytime temperatures soar to a sultry 32 °C (90 °F), though evenings offer a reprieve with an average 23 °C (74 °F).
July weather
July in Pasadena, TX swelters under the highest average daytime temperature of the year at 33 °C (92 °F), while the nights moderately cool to 24 °C (75 °F). Rainfall is less aggressive than June, yet still present for about 11 days.
August weather
August maintains the sweltering trend in Pasadena, TX, with temperatures matching July's highs at 34 °C (93 °F). Nighttime grants a slight respite with temps around 24 °C (75 °F). Rain frequency is similar to July, with roughly 11 days seeing precipitation.
September weather
September sees a subtle retreat in Pasadena's heat, with an average high of 32 °C (89 °F) during the day and a nightly average of 22 °C (71 °F). Proceedings remain damp, with precipitation happening over 11 days.
October weather
October's cool down is more tangible in Pasadena, TX, as the average daytime temperature dips to a more comfortable 28 °C (82 °F). Nights are cooler at 17 °C (62 °F), and rain showers taper down over an average of 8 days.
November weather
November introduces the early whispers of winter to Pasadena, TX, as daily highs ease to 23 °C (74 °F) and nighttime lows cool to 12 °C (54 °F). A moderate amount of rain sprinkles the city, falling over about 8 days.
December weather
December brings the year to a close with the coolest average daytime highs at 18 °C (65 °F), and nights averaging 8 °C (46 °F) in Pasadena, TX. The precipitation frequency is akin to January, with around 9 days of wet conditions.
FAQs
What type of clothing is recommended for Pasadena in January?
Layered clothing is best for January in Pasadena. While days can be mild, nights tend to drop to an average of 7 °C (44 °F), so it's wise to have a jacket on hand for the cooler evenings.
Will I need a heavy coat in Pasadena, TX during February?
A heavy coat might not be necessary as February days warm up to 19 °C (66 °F), but having a light to medium jacket for the evenings with temperatures of 9 °C (47 °F) is advisable.
How do the temperatures change from February to March in Pasadena?
Temperatures in Pasadena take a comfortable turn in March, with daytime highs climbing to an average of 22 °C (72 °F)—a noticeable warmth compared to February.
Is April a good month to start breaking out summer clothes in Pasadena?
Absolutely, with daytime highs averaging 26 °C (78 °F), April is an excellent time to start wearing lighter, summer-style clothing in Pasadena.
As temperatures rise, how should one prepare for May weather in Pasadena?
Prepare for the warmth of May in Pasadena by opting for breathable, light fabrics. With a high of 30 °C (85 °F), sun protection like hats and sunscreen is also recommended.
With June being the wettest month, what should residents of Pasadena, TX expect?
Residents can expect significant rainfall in June, as it is typically the wettest month of the year in Pasadena. This might result in about 10 days with rain, so it's wise to plan for intermittent showers.
How intense is the summer heat in Pasadena during July?
The heat in July is quite assertive, with the month claiming the year's highest average daytime temperature at 33 °C (92 °F), demanding attention to hydration and shade.
Does the high heat continue through August in Pasadena?
Indeed, the scorching heat persists in August, with daytime temperatures often matching the yearly peak, suggesting that summer is still in full swing in Pasadena.
As summer ends, what weather shifts occur in Pasadena during September?
September in Pasadena brings slight relief with a gentle decrease in temperature from the prior months, but it remains definitively warm and prone to rainfall.
Is October a transitional weather month in Pasadena, TX?
October indeed marks a weather transition in Pasadena, with significant reductions in heat during the day and especially at night, signaling the onset of fall.
How do I adapt my wardrobe for November's weather in Pasadena, TX?
In November, Pasadena residents might consider layering, as the climate becomes noticeably cooler, especially in the evening, with a thin jacket often proving sufficient.
What can be expected from the winter chill in Pasadena during December?
Expect a gentle winter chill in December, with the month exhibiting the coolest daytime temperatures of the year, reinforcing that winter has set in.
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