Harvey (LA) Weather and Climate: A Comprehensive Guide
Harvey experiences great temperature shifts.
The city's weather can transition from very warm days
to mild weather.
It also has a relatively rainy climate with high levels of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
The climate in Harvey is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 33°C in July to a moderate 17°C in January.
Nighttime temperatures can drop, with average lows reaching 7°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Harvey has a notably wet climate with abundant precipitation, recording 1740 mm of rainfall per year. The seasons in Harvey, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 223 mm of precipitation. This rainfall is distributed across 22 rainy days. In contrast, the driest month, November, experiences much less rainfall, totaling 74 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Harvey Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Harvey, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.1 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average water temperature
The mean water temperature over the year ranges from 20°C in January to 28°C in June.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Harvey.
The city experiences its highest humidity in July, reaching 79%. In February, the humidity drops to its lowest level at 73%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 3 m/s in June, July, August, September and October to 5 m/s in February and March.
The mean monthly wind speed over the year (meters per second)
clear and no rain clear and no rain partly cloudy and small chance of slight rainForecast for Harvey (LA)
3 m/s
3 m/s
5 m/s
The best time of year to visit Harvey in the United States of America
During the months of March and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in April, June, July, August, September and December.
August has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 17°C.
July tops the wettest month list with 223 mm of rainfall.
November is the driest month with 74 mm of precipitation.
May is the sunniest month with an average of 279 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
