Tomball receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest:May — 133 mm☀️ Driest:Feb — 75 mm
💧 Humidity peaks at 82% in Feb · annual avg 77%
🌍 Climate Summary
Avg Annual Temp:67.6°F
Avg Annual Rainfall:1243 mm
Avg Humidity:77%
Data Period:1981 – 2025
Tomball Climate Overview
Tomball has a warm subtropical climate with warm summers and cold winters.
Temperatures peak in Aug and drop to their lowest in Jan,
while rainfall is highest during spring and early summer months.
Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions.
📈 Yearly Trends
The warmest year in Tomball's recorded history was 2023
(avg: 71.8°F),
while the coldest year was 1983
(avg: 63.9°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Tomball's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Tomball's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
112.6°F in Sep 2000,
while the lowest dropped to
10.2°F in Dec 1989.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Tomball shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Tomball, Texas, with average high temperatures around 101.9°F.
What is the coldest month in Tomball?▼
Jan is the coldest month in Tomball, with average low temperatures around 25.6°F.
What is the rainiest month in Tomball?▼
May receives the most rainfall with approximately 133 mm, while Feb is the driest with 75 mm.
What was the highest temperature ever recorded in Tomball?▼
The highest recorded temperature was 112.6°F in Sep 2000. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Tomball?▼
The lowest recorded temperature was 10.2°F in Dec 1989.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Tomball get?▼
Tomball receives the most sunlight in Jul with an average solar radiation of 6.36 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Texas.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.