Plano Climate by Month
Plano, 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 Plano's climate in short. Expect highs of 96°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 (1002 mm) of rain a year, spread across the months.
- Warmest month
- 96°F(36°C)
- Average high, July
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 39 in(1002 mm)
- No clear rainy season
- Humidity
- 62%
- Sunniest: July
Best and worst months in Plano
Best for weatherMarch, April and October are the best time for weather in Plano: highs near 76°F (24°C) and about 3.7 in (94 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; August is the hottest, with highs of 96°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)
Plano weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 36°F(2°C) | 2.2 in(56 mm) | 66% | 2.5 |
| FebFebruary | 62°F(16°C) | 40°F(4°C) | 2.8 in(71 mm) | 63% | 3.2 |
| MarMarchBest | 69°F(21°C) | 47°F(8°C) | 3.3 in(85 mm) | 60% | 4.1 |
| AprAprilBest | 78°F(25°C) | 55°F(13°C) | 3.9 in(100 mm) | 64% | 5.2 |
| MayMay | 85°F(29°C) | 64°F(18°C) | 5.3 in(134 mm) | 66% | 5.5 |
| JunJune | 92°F(33°C) | 72°F(22°C) | 4.1 in(104 mm) | 64% | 6.2 |
| JulJuly | 96°F(36°C) | 75°F(24°C) | 2.3 in(59 mm) | 59% | 6.6 |
| AugAugust | 96°F(36°C) | 75°F(24°C) | 2.4 in(60 mm) | 57% | 6.0 |
| SepSeptember | 90°F(32°C) | 67°F(20°C) | 3.8 in(96 mm) | 57% | 5.0 |
| OctOctoberBest | 80°F(27°C) | 56°F(13°C) | 3.9 in(98 mm) | 60% | 3.8 |
| NovNovember | 67°F(20°C) | 46°F(8°C) | 2.7 in(69 mm) | 64% | 2.7 |
| DecDecember | 58°F(14°C) | 37°F(3°C) | 2.8 in(70 mm) | 62% | 2.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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