As of 22:38 CDT

Richardson, TX weather in May

83°

Richardson, Saturday, 8 August, 22:38

Partly cloudy. Feels like 86°. High 101°, low 80°.

Pressure29.97 inHg

Wind4 mph NE

Humidity61%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In May, Richardson, TX averages a high of 81° and a low of 64.6°. About 6.0 inches of precipitation fall over the month (11 wet days). The record high is 100.9° (2025) and the record low 43° (2013). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	76.6°	60.1°	42%	88.9° (2002)	46.4° (2014)
2	76.8°	59.7°	50%	88.2° (1987)	45° (2013)
3	75.2°	59°	47%	89.8° (2012)	43° (2013)
4	77.4°	59.4°	33%	91.9° (2014)	43.5° (2013)
5	78.6°	61.2°	38%	91.8° (2023)	49.1° (2013)
6	79.9°	62.4°	32%	93° (1998)	48.4° (2013)
7	80.2°	62.8°	35%	90° (2018)	49.3° (1992)
8	80.2°	63.7°	35%	91.2° (2022)	51.4° (1960)
9	79.7°	63.7°	38%	93.6° (2022)	50.5° (1969)
10	79.5°	63.1°	35%	92.5° (1963)	49.6° (2019)
11	79.5°	63.5°	38%	95.7° (1967)	47.8° (1981)
12	79.9°	64°	42%	93.7° (1978)	46° (1960)
13	80.4°	63.7°	32%	97.9° (2025)	49.5° (1979)
14	80.4°	63.5°	37%	100.9° (2025)	52.5° (2002)
15	81°	63.9°	37%	95.5° (2022)	50° (2014)
16	81°	64.6°	33%	89.8° (1996)	51.4° (1983)
17	81.5°	64.8°	30%	95.2° (2022)	54.1° (1970)
18	81.9°	64.9°	25%	94.1° (2022)	51.4° (1976)
19	82°	65.1°	30%	95.7° (2022)	51.6° (2002)
20	81.7°	65.7°	40%	97° (2022)	52.5° (1968)
21	81.7°	65.3°	37%	93.2° (2005)	55.4° (1967)
22	82°	66.2°	27%	95.2° (2005)	52.5° (2001)
23	83.5°	67.8°	30%	94.6° (1996)	53.1° (1963)
24	83.3°	68°	35%	95.2° (2025)	54.7° (2017)
25	83.7°	67.6°	43%	95° (2025)	54.7° (1979)
26	84.4°	67.8°	32%	95.7° (2024)	57.2° (1966)
27	83.7°	67.8°	37%	94.8° (2018)	54.3° (1961)
28	83.5°	67.8°	38%	95.5° (2011)	55.9° (1961)
29	84.2°	68°	43%	96.6° (2018)	55° (1984)
30	84.6°	68.5°	38%	98.4° (2018)	54.3° (1984)
31	84.4°	68.5°	37%	97.7° (2018)	55.8° (1983)