Richardson Climate by Month
Richardson, Texas, United States
Very hot summers and cool winters, with rain spread through the year.
Very hot summers and cool winters, with rain spread through the year: that's Richardson's climate in short. Expect highs of 97°F (36°C) in July and 57°F (14°C) in January, with the coldest nights (January) near 36°F (2°C). It gets 39 in (980 mm) of rain a year, spread across the months.
- Warmest month
- 97°F(36°C)
- Average high, July
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 39 in(980 mm)
- No clear rainy season
- Humidity
- 61%
- Sunniest: July
Best and worst months in Richardson
Best for weatherThe most comfortable weather comes in March, April and October, with highs around 76°F (24°C) and about 3.7 in (93 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; July is the hottest, with highs of 97°F (36°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Richardson weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 36°F(2°C) | 2.2 in(57 mm) | 65% | 2.5 |
| FebFebruary | 62°F(17°C) | 41°F(5°C) | 2.8 in(70 mm) | 62% | 3.2 |
| MarMarchBest | 70°F(21°C) | 48°F(9°C) | 3.2 in(82 mm) | 59% | 4.1 |
| AprAprilBest | 78°F(25°C) | 55°F(13°C) | 3.9 in(99 mm) | 63% | 5.2 |
| MayMay | 85°F(29°C) | 64°F(18°C) | 5.0 in(128 mm) | 65% | 5.5 |
| JunJune | 92°F(33°C) | 72°F(22°C) | 4.0 in(101 mm) | 64% | 6.2 |
| JulJuly | 97°F(36°C) | 76°F(24°C) | 2.3 in(58 mm) | 58% | 6.7 |
| AugAugust | 96°F(36°C) | 75°F(24°C) | 2.4 in(60 mm) | 57% | 6.0 |
| SepSeptember | 89°F(32°C) | 68°F(20°C) | 3.5 in(90 mm) | 57% | 5.0 |
| OctOctoberBest | 80°F(26°C) | 57°F(14°C) | 3.9 in(99 mm) | 60% | 3.8 |
| NovNovember | 67°F(20°C) | 46°F(8°C) | 2.6 in(66 mm) | 64% | 2.7 |
| DecDecember | 58°F(15°C) | 38°F(3°C) | 2.8 in(70 mm) | 61% | 2.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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