Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Richardson, 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 Richardson, TX?
Richardson, TX gets 41.9 in of precipitation a year over about 87 rainy days. July is the warmest month (average high 95°F) and January the coldest (average low 35°F).
Humid subtropical climate
Richardson, TX has hot summers and mild winters. Daytime highs range from about 55°F in January to 95°F in August. October is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 37° | 58° |
| Spring | Mar–May | 56° | 76° |
| Summer | Jun–Aug | 74° | 94° |
| Autumn | Sep–Nov | 57° | 77° |
How much rain does Richardson get?
Richardson gets 41.9 in of precipitation in an average year, spread over about 87 days with measurable rain. That is fewer rainy days than 52% of the US.
October is the wettest month, with 5.3 in. July is the driest, with 2.2 in. May has the most rainy days, about 9.
The longest dry spell in the last five years lasted 46 days, to August 4, 2022.
From September 2025 to August 2026 Richardson got 32.6 in of rain, against a normal of 41.9 in for those months. April 2026 had the most, with 5.1 in.
See where Richardson ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Texas.
Does it snow in Richardson?
The snowiest winter on record is 1977–78, with 14.1 in.
The most recent measurable snow at the station fell on January 10, 2025.
See where Richardson ranks: snowiest cities in the US.
Richardson weather by month
Richardson weather in January
In January, Richardson averages a high of 55°F and a low of 35°F. It gets 2.8 in of precipitation over about 8 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The January record high is 82°F (2023) and the record low is 6°F (2024).
Richardson weather in February
In February, Richardson averages a high of 60°F and a low of 39°F. It gets 3.4 in of precipitation over about 8 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The February record high is 91°F (2024) and the record low is 0°F (2021).
Richardson weather in March
In March, Richardson averages a high of 69°F and a low of 49°F. It gets 3.6 in of precipitation over about 9 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The March record high is 92°F (2026) and the record low is 13°F (1980). March is one of the most comfortable months to visit.
Richardson weather in April
In April, Richardson averages a high of 76°F and a low of 55°F. It gets 3.5 in of precipitation over about 8 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The April record high is 99°F (2006) and the record low is 32°F (2018). April is one of the most comfortable months to visit.
Richardson weather in May
In May, Richardson averages a high of 83°F and a low of 64°F. It gets 5.2 in of precipitation over about 9 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The May record high is 98°F (1980) and the record low is 38°F (2013).
Richardson weather in June
In June, Richardson averages a high of 91°F and a low of 72°F. It gets 3.8 in of precipitation over about 7 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The June record high is 112°F (1980) and the record low is 58°F (2015).
Richardson weather in July
In July, Richardson averages a high of 95°F and a low of 76°F. It gets 2.2 in of precipitation over about 5 rainy days. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. The July record high is 107°F (2022) and the record low is 59°F (2013).
Richardson weather in August
In August, Richardson averages a high of 95°F and a low of 76°F. It gets 2.5 in of precipitation over about 5 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The August record high is 109°F (2024) and the record low is 59°F (2015).
Richardson weather in September
In September, Richardson averages a high of 88°F and a low of 68°F. It gets 3.3 in of precipitation over about 6 rainy days. Estimated sunshine is 65% of daylight hours, derived from ERA5 cloud cover. The September record high is 107°F (2023) and the record low is 52°F (2009).
Richardson weather in October
In October, Richardson averages a high of 78°F and a low of 56°F. It gets 5.3 in of precipitation over about 8 rainy days. Estimated sunshine is 68% of daylight hours, derived from ERA5 cloud cover. The October record high is 100°F (1979) and the record low is 29°F (2019).
Richardson weather in November
In November, Richardson averages a high of 67°F and a low of 46°F. It gets 3.0 in of precipitation over about 7 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The November record high is 90°F (2017) and the record low is 21°F (2019). November is one of the most comfortable months to visit.
Richardson weather in December
In December, Richardson averages a high of 57°F and a low of 37°F. It gets 3.4 in of precipitation over about 8 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The December record high is 84°F (2025) and the record low is 9°F (2022).
Sunshine, humidity and wind in Richardson
October is the sunniest month in Richardson, with estimated sunshine of 68% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 38%. The annual cloud-cover estimate is 54% of daylight hours; it is not a measurement of sunshine duration. Richardson is sunnier than 70% of the US.
Humidity peaks in May at 69% and is lowest in August at 54%.
Richardson has about 85 days a year above 90°F. Richardson is hotter than 87% of the US.
See where Richardson ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Richardson
The first fall freeze in Richardson typically comes around November 24, and the last spring freeze around March 4. That leaves a frost-free growing season of about 265 days.
Richardson weather records
These records cover RICHARDSON during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Richardson station is 112°F, on June 26, 1980. The coldest is 0°F, on February 17, 2021.
The wettest day in the available station history brought 5.4 in of precipitation, on May 16, 1989.
28 all-time records have been set at the station since 1970.
The best time to visit Richardson
The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.
Winter (December–February) is mild, with average highs around 58°F and lows near 37°F. Snow is possible.
Spring (March–May) is warm, with average highs around 76°F and lows near 56°F.
Summer (June–August) is hot, with average highs around 94°F and lows near 74°F.
Autumn (September–November) is warm, with average highs around 77°F and lows near 57°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 35° | 55° | 2.8 in | 8 | 62% | 52% | 82° | 6° |
| February | 39° | 60° | 3.4 in | 8 | 63% | 46% | 91° | 0° |
| March | 49° | 69° | 3.6 in | 9 | 62% | 44% | 92° | 13° |
| April | 55° | 76° | 3.5 in | 8 | 62% | 44% | 99° | 32° |
| May | 64° | 83° | 5.2 in | 9 | 69% | 38% | 98° | 38° |
| June | 72° | 91° | 3.8 in | 7 | 65% | 54% | 112° | 58° |
| July | 76° | 95° | 2.2 in | 5 | 60% | 59% | 107° | 59° |
| August | 76° | 95° | 2.5 in | 5 | 54% | 63% | 109° | 59° |
| September | 68° | 88° | 3.3 in | 6 | 59% | 65% | 107° | 52° |
| October | 56° | 78° | 5.3 in | 8 | 56% | 68% | 100° | 29° |
| November | 46° | 67° | 3.0 in | 7 | 65% | 58% | 90° | 21° |
| December | 37° | 57° | 3.4 in | 8 | 65% | 52% | 84° | 9° |
Station: RICHARDSON, 6 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.
Richardson climate questions
How much rain does Richardson get?
Richardson gets 41.9 in of precipitation in an average year, over about 87 rainy days.
What is the wettest month in Richardson?
October is the wettest month in Richardson, with 5.3 in. July is the driest, with 2.2 in.
How many rainy days does Richardson have a year?
Richardson has about 87 days with measurable rain in an average year. May has the most, about 9.
What is the hottest month in Richardson?
July is the warmest month in Richardson, with an average high of 95°F.
What is the coldest month in Richardson?
January is the coldest month in Richardson, with an average low of 35°F.
What is the record high temperature in Richardson?
Within the available 1970–2026 station history, the record high at the Richardson station is 112°F, set on June 26, 1980. The record low is 0°F, on February 17, 2021.
What is the sunniest month in Richardson?
October is the sunniest month in Richardson, with estimated sunshine of 68% of daylight hours from ERA5 cloud cover. May is the cloudiest.
When is the first frost in Richardson?
The first fall freeze in Richardson typically comes around November 24. The last spring freeze is around March 4.
What is the best time to visit Richardson?
The most comfortable time to visit is typically March to April and November, when daytime highs sit near 71°F.