Richardson (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Richardson.
Climate overview of Richardson
Richardson, Texas, United States of America, sees big temperature differences between seasons, with August peaking at 36°C (97°F) and January dropping to 13°C (55°F).
With around 1037 mm (41 in) of annual rain/snowfall, Richardson has a notably wet climate. The wettest month is May. The sunniest month is July, with 11.1 hours of sunshine per day on average.
Richardson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Richardson — and find the best time to visit.
Monthly Temperature in Richardson
Visitors to Richardson can expect significant temperature changes throughout the year. Average daytime temperatures reach a very hot 36°C (97°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).
At night, temperatures range from around 25°C (77°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Richardson
Richardson is known for its substantial rain/snowfall, with annual precipitation reaching 1037 mm (41 in). Richardson can be quite wet during May, receiving approximately 144 mm (5.7 in) of precipitation over 11 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 53 mm (2.1 in) of precipitation spread across 7 rainy days days. For more details, please visit our Richardson Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Richardson
Richardson can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Richardson by Month
The relative humidity is high throughout the year in Richardson.
The city experiences its highest humidity in May, reaching 70%. In July, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Richardson
The weather does bring rainfall during this period, between 77 mm (3 in) and 144 mm (5.7 in). Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Richardson
What is the best time to visit Richardson?
April and November typically offer the most optimal weather in Richardson. In contrast, July and August tend to have less optimal conditions.
What temperatures can I expect in Richardson?
Daytime highs range from 13°C (55°F) in January to 36°C (97°F) in August. Nighttime lows range from 2°C (36°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Richardson get?
Annual rainfall is around 1037 mm (41 in). May is the wettest month with 144 mm (5.7 in), while July is the driest with 53 mm (2.1 in).
How sunny is Richardson?
Richardson receives around 2,871 hours of sunshine per year. July is the sunniest month with 333 hours, while December is the cloudiest with just 175 hours. Overall, Richardson enjoys abundant sunshine.
Richardson 3-Day Forecast
Richardson (TX) 3-Day Forecast
Richardson on the map
Richardson is highlighted — select any city to see its climate.
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