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Weather & Climate
Johnson County, Texas, United States
Overview
Climate data and monthly weather averages for Johnson County.
Key Metrics
Annual Avg
18.8°C
Summer Avg
29.3°C
Winter Avg
7.8°C
Record High
45.4°C
Record Low
-10.6°C
Annual Precipitation
868.1 mm
Avg Humidity
67%
Summer Humidity
60%
Winter Humidity
72%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 29.5° | 6.8° | -10.6° | 53.6 | 71% | 93 | 58.8 |
| Feb | 32.8° | 8.9° | -10.2° | 59.1 | 73% | 99 | 55.2 |
| Mar | 32.6° | 14° | -8.9° | 80.6 | 71% | 143 | 51.6 |
| Apr | 38.5° | 18.6° | -0.7° | 78.6 | 69% | 167 | 56.4 |
| May | 39.9° | 23.3° | 3.9° | 109.4 | 70% | 186 | 48.3 |
| Jun | 43.1° | 27.8° | 14.4° | 94.8 | 65% | 205 | 50.3 |
| Jul | 45.4° | 29.9° | 18.1° | 52.1 | 59% | 213 | 33.9 |
| Aug | 44.8° | 30.1° | 15.8° | 61.4 | 57% | 194 | 33.2 |
| Sep | 42.3° | 25.7° | 9.8° | 79.8 | 63% | 157 | 44 |
| Oct | 37.8° | 19.4° | -3.1° | 96.4 | 66% | 130 | 49.6 |
| Nov | 33.5° | 13.1° | -6.5° | 54.6 | 69% | 96 | 56.6 |
| Dec | 30.2° | 7.8° | -9.8° | 47.7 | 71% | 84 | 57.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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